"Smart Light-Responsive Materials: Azobenzene-Containing Polymers and Liquid Crystals" 

Editors: Yue Zhao and Tomiki Ikeda, John Wiley & Sons, 2009.  More information





W. Fan, X. Tong, F. Farnia, B. Yu, Y. Zhao “CO2-responsive Polymer Single-Chain Nanoparticles and Self-assembly for Gas-tunable Nanoreactors"  Chem. Mater. 2017, DOI: 10.1021/acs.chemmater.7b01656     link




W. Fan, X. Tong, G. Li, Y. Zhao“Photoresponsive Liquid Crystalline Polymer Single Chain Nanoparticles". Polym. Chem. 2017, 8, 3523-3529.     link




B. Yu, W. Fan, Y. Zhao “Gelation of Triblock Copolymers in Aqueous Solution through CO2-triggered Electrostatic Interaction"  Macromol. Chem. Phys.  2017, DOI: 10.1002/macp.201700146.     link




X. Lu,  S. Guo, X. Tong, H. Xia, Y. Zhao “Tunable Photocontrolled Motions Using Stored Strain Energy in Malleable Azobenzene Liquid Crystalline Actuators "  Adv. Mater. 2017, DOI:10.1002/adma.201606467.   link




M. Xu, L. Liu, J. Hu, Y. Zhao, Q. Yan “CO-Signalling Molecule-Responsive Nanoparticles Formed from Palladium-Containing Block Copolymers ". ACS Macro Lett. 2017, 6, 458-462.     link




F. Ge, X. Lu, J. Xiang, X. Tong, Y. Zhao “An Optical Actuator Based on Gold-Nanoparticle-Containing Temperature-Memory Semicrystalline Polymers"  Angew. Chem. Int. Ed. 2017, 56, 6126-6130.     link




J. Xiang, X. Tong, F. Shi, P.-L. Karsenti, Y. Zhao “Spatial Organization and Optical Properties of Layer-by-Layer Assembled Upconversion and Gold Nanoparticles in Thin Films"  J. Mater. Chem. C 2016, 4, 9343-9349.     link




A. Augι, Y. Zhao “What Determines the Volume Transition Temperature of UCST Acrylamide-Acrylonitrile Hydrogels?"  RSC Advances 2016, 6, 70616-70623    link




X. Tong, J. Xiang, F. Shi, Y. Zhao “Near-Infrared Light-Sensitive Supramolecular Gel with Enhanced Visible Light Upconversion"  Adv. Opt. Mater. 2016, 4, 1392-1396     link     (One of Most Read Articles in August 2016; featured in MaterialsViews)




G. Li, H. Zhang, D. Fortin, W. Fan, H. Xia, Y. Zhao “Composite Material with Room Temperature Shape Processability and Optical Repair"  J. Mater. Chem. C 2016, 4, 5932-5939      link




S. Fu, H. Zhang, Y. Zhao “Optically and Thermally Activated Shape Memory Supramolecular Liquid Crystalline Polymers"  J. Mater. Chem. C 2016, 4, 4946-4953     link




H. Zhang, S. Guo, W. Fan, Y. Zhao “Ultrasensitive pH-Induced Water Solubility Switch Using UCST Polymers"  Macromolecules 2016, 49, 1424-1433.      link    (One of Most Read Articles in February 2016)




H. Xia, Y. Zhao, R. Tong “Ultrasound-Mediated Polymeric Micelle Drug Delivery", Therapeutic Ultrasound, 2016, pp 365-384. J.-M. Escoffre ed. Springer International Publishing      link




Z. Xu, B. Yan, J. Riordon, Y. Zhao, D. Sinton, M. Moffitt “Microfluidic Synthesis of Photoresponsive Spool-Like Block Copolymer Nanoparticles: Flow-Directed Formation and Light-Triggered Dissociation" Chem. Mater. 2015, 27, 8094-8104.     link




G. Li, H.J. Zhang, D. Fortin, H. Xia, Y. Zhao “Poly(vinyl alcohol)-Poly(ethylene glycol) Double-Network Hydrogel: A General Approach to Shape Memory and Self-Healing Functionalities" Langmuir 2015, 31, 11709-11716       link     (One of Most Read Articles in October-November 2015)




H. Zhang, T. Marmin, E. Cuierrier, A. Soldera, Y. Dory, Y. Zhao “A New Comonomer Design for Enhancing pH-Triggered LCST Shift of Thermosensitive Polymers" Polym. Chem. 2015, 6, 6644-6650.       link        (Inside Front Cover)



S. Fu, Y. Zhao “Orientation of Azobenzene Mesogens in Side-Chain Liquid Crystalline Polymers: Interplay between Effects of Mechanical Stretching, Photoisomerization and Thermal Annealing" Macromolecules 2015, 48, 5088-5098.          link



G. Li, Q. Yan, H. Xia, Y. Zhao “Therapeutic Ultrasound-Triggered Shape Memory of  Melamine-Enhanced Poly(vinyl alcohol) Physical Hydrogel"  ACS Appl. Mater. Interfaces 2015, 7, 12067-12073.         link



Q. Yan, Y. Zhao “ATP-Triggered Biomimetic Deformations of Bioinspired Receptor-Containing Polymer Assemblies"  Chem. Sci. 2015, 6, 4343-4349.       link



X. Tong,  H. Liang, Y. Liu, L. Tan, D. Ma, Y. Zhao “Anisotropic Optical Properties of Oriented Silver Nanorice and Nanocarrot in Stretched Polymer Films"  Nanoscale 2015, 7, 8858-8863.      link



D.-H. Li, J.-F. Wehrung, Y. Zhao “Gold Nanoparticle-Catalyzed Photosensitized Water Reduction for Hydrogen Generation"  J. Mater. Chem. A 2015, 3, 5176-5182.    link



X. Wang, J. Vappavuori, Y. Zhao, G. Bazuin “A Supramolecular Approach to Photoresponsive Thermo/Solvoplastic Block Copolymer Elastomers"  Macromolecules 2014, 47, 7099-7108.    link   (One of Most Read Articles in November 2014)



W. Fan, X. Tong, Q. Yan, S. Fu, Y. Zhao “Photodegradable and Size-Tunable Single-Chain Nanoparticles from a Single Main-Chain Coumarin-Containing Polymer Precursor", Chem. Commun. 2014, 50, 13492-13494.    link



H.J. Zhang, H. Xia, Y. Zhao “Light-Controlled Complex Deformation and Motion of Shape-Memory Polymers Using a Temperature Gradient", ACS Macro Lett. 2014, 3, 940-943.     link     (One of Most Read Articles in September 2014).



H. Zhang, X. Tong, Y. Zhao “Diverse Thermoresponsive Behaviours of  Uncharged UCST Block Copolymer Micelles in Physiological Medium", Langmuir 2014, 30, 11433-11441.    link     (One of Most Read Articles in September 2014).



G. Li, G. Fei, B. Liu, H. Xia, Y. Zhao “Shape Recovery Characteristics for Shape Memory Polymers Subjected to High Intensity Focused Ultrasound" RSC Adv. 2014, 4, 32701-32709.   link



X. Lu, G. Fei, H. Xia, Y. Zhao “Ultrasound Healable Shape Memory Dynamic Polymers", J. Mater. Chem. A 2014, 2, 16051-16060.     link  



Q. Yan, Y. Zhao “Block Copolymer Self-Assembly Controlled by the "Green" Gas Stimulus of Carbon Dioxide", Chem. Commun. 2014, 50, 11631-11641.     link     (Invited Feature Article).



H.J. Zhang, D. Han, Q. Yan, D. Fortin, H. Xia, Y. Zhao “Light-healable Hard Hydrogels through Photothermally Induced Melting-Crystallization Phase Transition" , J. Mater. Chem. A 2014, 2, 13373-13379.    link   




Q. Yan, H.J. Zhang, Y. Zhao “CO2-Switchable Supramolecular Block Glycopolypeptide Assemblies", ACS Macro Lett. 2014, 3, 472-476.     link     (One of Most Read Articles in May 2014).



J. He, L. Tremblay, S. Lacelle, Y. Zhao “How Can Photoisomerization of Azobenzene Induce A Large Cloud Point Temperature Shift of PNIPAM?" , Polym. Chem. 2014, 5, 5403-5411.    link



F. Shi, Y. Zhao “Sub-10 nm and Monodisperse b-NaYF4:Yb,Tm,Gd Nanocrystals with Intense Ultraviolet Upconversion Luminescence" , J. Mater. Chem. C 2014, 2, 2198-2203.     link



J. Xuan, D. Han, H. Xia, Y. Zhao “Dual-Stimuli-Responsive Micelle of an ABC Triblock Copolymer Bearing a Redox-Cleavable Unit and a Photo-Cleavable Unit at Two Block Junctions"  Langmuir 201430, 410-417.     link



H.J. Zhang, Y. Zhao “Polymers with Dual Light-Triggered Functions of Shape Memory and Healing Using Gold Nanoparticles", ACS Appl. Mater. Interfaces 2013, 5, 13069-13075.     link         (Highlighted in Canadian Chemical News)



Q. Yan, Y. Zhao “CO2-Stimulated Diversiform Deformations of Polymer Assemblies ", J. Am. Chem. Soc. 2013, 135, 16300-16303.     link



H.J. Zhang, D. Fortin, H. Xia, Y. Zhao “Fast Optical Healing of Crystalline Polymers Enabled by Gold Nanoroparticles", Macromol. Rapid Commun. 2013, 34, 1742-1746.    link



H.J. Zhang, J. Zhang, X. Tong, D. Ma, Y. Zhao “Light Polarization-Controlled Shape-Memory Polymer/Gold Nanorod Composite", Macromol. Rapid Commun. 2013, 34, 1575-1579.      link      (One of Most Read Articles in September 2013).



Q. Yan, Y. Zhao “Polymeric Microtubules That Breathe: CO2-Driven Polymer Controlled-Self-Assembly and Shape Transformation ", Angew. Chem Int. Ed. 2013, 52, 9948-9951.    link



Q. Yan, D. Han, Y. Zhao “Main-chain Photoresponsive Polymers with Controlled Location of Photocleavable Units: from Synthetic Strategies to Structural Engineering", Polym. Chem. 2013, 4, 5026-5037.   link    (One of Most Read Articles for July-September 2013; Back Cover).




J.-F. Wehrung, D.-H. Li, D. Han,  A. Yavrian, Y. Zhao “Using Block Copolymers to Enhance Photosensitized Water Reduction for Hydrogen Gas Generation ", J. Mater. Chem. A, 2013, 1, 8358-8362.     link



D. Habault, H.J. Zhang, Y. Zhao “Light-triggered Self-healing and Shape-memory Polymers", Chem. Soc. Rev. 2013, 42, 7244-7256    link



J.-F. Gohy, Y. Zhao “Photo-responsive Block Copolymer Micelles: Design and Behavior", Chem. Soc. Rev. 2013, 42, 7117-7129.      link         (One of Most Read Articles in February 2013).



B. Yan, D. Han, O. Boissiθre, P. Ayotte, Y. Zhao “'Manipulation of Block Copolymer Vesicles Using CO2: Dissociation or "Breathing"", Soft Matter 2013,  9, 2011-2016     link



S. Kumar, X. Tong, Y. Dory, M. Lepage, Y. Zhao “CO2-Switchable Polymer Brush for Reversible Capture and Release of Proteins", Chem. Commun. 201349, 90-92     link    (Content Highlights in ChemComm Chronicle, January 2013)




X. Tong, D. Han, D. Fortin, Y. Zhao “'Highly Oriented Nanofibrils of Regioregular Poly(3-hexylthiophene) Formed via Block Copolymer Self-Assembly in Liquid Crystals", Adv. Func. Mater. 2013,  23, 204-208    link



J. Xuan, O. Boissiθre, Y. Zhao, B. Yan, L. Tremblay, S. Lacelle, H. Xia, Y. Zhao “Ultrasound-responsive Block Copolymer Micelles Based on a New Amplification Mechanism", Langmuir 201228, 16463,   link.




H.J. Zhang, H. Xia, Y. Zhao “Poly(vinyl alcohol) Hydrogel Can Autonomously Self-heal", ACS Macro Lett. 20121, 1233-1236    link      (The Most Read Article in October 2012)




B. Yan, J.-C. Boyer, D. Habault, N. R. Branda, Y. Zhao “Near Infrared Light Triggered Release of Biomacromolecules from Hydrogels Loaded with Upconversion Nanoparticles", J. Am. Chem. Soc., 2012, 134, 16558-16561    link      (Highlighted in C&EN and Therapeutic Delivery)




J. Zhang, D. Han, H.J. Zhang, M. Chaker, Y. Zhao, D. Ma “'In Situ Recyclable Gold Nanoparticles Using CO2-Switchable Polymers for Catalytic Reduction of 4-Nitrophenol", Chem. Commun., 2012, 48, 11510-11512   link    (On the Back Cover)



D. Han, O. Boissiθre, S. Kumar, X. Tong, L. Tremblay, Y. Zhao “'Two-Way CO2-Switchable Triblock Copolymer Hydrogels", Macromolecules 2012, 45, 7440-7445.   link      (The 3rd Most Read Article in September 2012)



D. Han, X. Tong, Y. Zhao “'Synthesis and Characterization of Six-Arm Star Polystyrene-block-Poly(3-hexylthiophene) Copolymer by Combination of Atom Transfer Radical Polymerization and Click Reaction", J. Polym. Sci. Part A: Polym. Chem. 2012, 50, 4198-4205.    link




G. Li, G. Fei, H. Xia, J. Han, Y. Zhao "'Spatial and Temporal Control of Shape Memory Polymers and Simultaneous Drug Release Using High Intensity Focused Ultrasound", J. Mater. Chem., 2012, 22, 7692-7696.    link    (Highlighted as Hot Article and featured in RSC News: Chemistry World)  (Video)



Y. Zhao "Light-Responsive Block Copolymer Micelles", Macromolecules 2012, 45, 3647-3657.  link      (Invited Perspective)   (The 2nd Most Read Article for April-June 2012)      (On the Cover)    




S. Kumar, J.-F. Allard, D. Morris, Y. Dory, M. Lepage, Y. Zhao “'Near-Infrared Light Sensitive Polypeptide Block Copolymer Micelles for Drug Delivery" , J. Mater. Chem., 2012, 22, 7252-7257.     link



D. Han, X. Tong, Y. Zhao “'Block Copolymer Micelles with a Dual-Stimuli-Responsive Core for Fast or Slow Degradation", Langmuir 2012, 28, 2327-2331.   link



H.J. Zhang, H. Xia, Y. Zhao “'Optically Triggered and Spatially Controllable Shape-Memory Polymer-Gold Nanoparticle Composite Materials", J. Mater. Chem., 2012, 22, 845-849.   link



D. Han, X. Tong, O. Boissiθre, Y. Zhao “'General Strategy for Making CO2-Switchable Polymers", ACS Macro Lett., 2012, 1, 57-61.     link     (One of Most Read Articles for November-December 2011, April 2012).



X. Tong, Y. Zhao “'Functional Liquid Crystalline Block Copolymers: Order Meets Self-Assembled Nanostructures ", Chapter 8 in Liquid Crystals beyond Displays: Chemistry, Physics and Applications, Q. Li ed., John Wiley& Sons, New Jersey, 2012.     link



B. Yan, J.-C. Boyer, N. R. Branda, Y. Zhao “Near-Infrared Light-Triggered Dissociation of Block Copolymer Micelles Using Upconverting Nanoparticles", J. Am. Chem. Soc., 2011, 133, 19714-19717.      link 



S. Kumar, Y. Dory, M. Lepage, Y. Zhao “'Surface-Grafted Stimuli-Responsive Block Copolymer Brushes for Thermo-, Photo- and pH-Sensitive Release of Dye Molecules", Macromolecules 2011,

44, 7385-7393.    link    (One of Most Read Articles in August 2011).



B. Yan, X. Tong, P. Ayotte, Y. Zhao “'Light-Responsive Block Copolymer Vesicles Based on a Photo-Softening Effect", Soft Matter 2011, 7, 10001-10009.   pdf   (One of Most Read Articles in September 2011).



O. Boissiθre, D. Han, L. Tremblay, Y. Zhao “Flower Micelles of Poly(N-isopropylacrylamide) with Azobenzene Moieties Regularly Inserted into the Main Chain", Soft Matter 2011, 7, 9410-9415.    pdf   (One of Most Read Articles in September 2011)



D. Han, X. Tong, Y. Zhao “One-Pot Synthesis of Brush Diblock Copolymers through Simultaneous ATRP and Click Coupling", Macromolecules 2011, 44, 5531-5536.    link   (One of Most Read Articles in June 2011).



Y. Zhao, T. Tremblay, Y. Zhao “Phototunable LCST of Water-Soluble Polymers: Exploring a Topological Effect", Macromolecules 2011, 44, 4007-4011.   link   (The Most Read Article for April-June 2011)



B. Yan, J. He, P. Ayotte, Y. Zhao “Optically Triggered Dissociation of Kinetically Stabilized Block Copolymer Vesicles in Aqueous Solution", Macromol. Rapid Commun. 2011, 32, 972-976.   pdf



A. Bagramyan, O. Thibault-Maheu, T. Galstian, A. Bessette, Y. Zhao, “Mesogenic Linear Azobenzene Polymer-Stabilized Nematic Liquid Crystals", J. Appl. Phys. 2011, 109, 063505.



D. Han, X. Tong, Y. Zhao, “Fast-Photodegradable Block Copolymer Micelles for Burst Release", Macromolecules 2011, 44, 437-439.   link    (The 3rd Most Read Article for January-March 2011)


J. He, L. Tremblay, S. Lacelle, Y. Zhao, “Preparation of Polymer Single Chain Nanoparticles Using Intramolecular Photodimerization of Coumarin", Soft Matter 2011, 7, 2380-2386.  pdf   (Highlighted as "Hot Article")


J. He, B. Yan, L. Tremblay, Y. Zhao, “Both Core- and Shell-Cross-Linked Nanogels: Photoinduced Size Change, Intra-particle LCST and Inter-particle UCST Thermal Behaviours", Langmuir 2011, 27, 436-444.  pdf   (One of Most Read Articles in December 2010)


X. Tong, S. Bernard, Y. Dory, Y. Zhao “Simultaneous Chirality Transfer and Structured Aggregation of a Cyclopeptide in a Liquid Crystal", Langmuir 2011, 27, 3867-3871.  pdf   (On the Cover).


J. Xuan, M. Pelletier, H. Xia, Y. Zhao, “Ultrasound-Induced Disruption of Amphiphilic Block Copolymer Micelles", Macromol. Chem. Phys. 2011, 212, 498-506.    pdf


J. He, Y. Zhao, “Light-Responsive Polymer Micelles, Nano- and Microgels Based on the Reversible Photodimerization of Coumarin", Dyes and Pigments 2011, 89, 278-283.


O. Thibault-Maheu, T. Galstian, A. Bessette, Y. Zhao “Light-Configured Mesogenic Azo-Polymer Stabilized Liquid Crystals”, Appl. Phys. Lett. 2010, 97, 153301.


D. Han, X. Tong, Y. Zhao, Y. Zhao, “Block Copolymers Comprising p-Conjugated and Liquid Crystalline Subunits: Induction of Macroscopic Nanodomain Orientation", Angew. Chem. Int. Ed. 2010, 49, 9162-9165.   pdf


A. Housni, Y. Zhao, “Gold Nanoparticles Functionalized with Block Copolymers Displaying Either LCST or UCST Thermosensitivity in Aqueous Solution", Langmuir 2010, 26, 12933-12939.   pdf   (One of Most Read Articles in July 2010).


Y. Zhao, L. Tremblay, Y. Zhao, “Doubly Photoresponsive and Water-Soluble Block Copolymers: Synthesis and Thermosensitivity", J. Polym. Sci. Part A: Polym. Chem. 2010, 48, 4055-4066.  pdf


A. Housni, Y. Zhao, Y. Zhao, “Using Polymers to Photoswitch the Aggregation State of Gold Nanoparticles in Aqueous Solution", Langmuir 2010, 26, 12366-12370.  pdf    (One of Most Read Articles in June 2010)


D. Han, X. Tong, Y. Zhao, T. Galstian, Y. Zhao, “Cyclic Azobenzene-Containing Side-Chain Liquid Crystalline Polymers: Synthesis and Topological Effect on Mesophase Transition, Order and Photoinduced Birefringence", Macromolecules 2010, 43, 3664-3671.    pdf


Y. Zhao, X. Tong, Y. Zhao, “Photoinduced Microphase Separation in Block Copolymers: Exploring Shape Incompatibility of Mesogenic Side Groups", Macromol. Rapid Commun. 2010, 31, 986-990.    pdf,   supporting information    (On the Cover(One of Most Read Articles in March 2010)


H. Feng, Y. Dan, Y. Zhao, “A Sensitive Fluorescence Method for Monitoring the Kinetics of Microemulsion Polymerization", Can. J. Chem. 2010, 88, 185-191.    pdf


J. He, X. Tong, L. Tremblay, Y. Zhao, “Corona-Cross-Linked Polymer Vesicles Displaying a Large and Reversible Temperature-Responsive Volume Transition", Macromolecules 2009, 42, 7267-7270.

pdf ,    supporting information  (One of Most Read Articles in September 2009)


X. Tong, Y. Zhao, “Multiple Photochemical Processes in Liquid Crystalline Azo Dye-Doped Liquid Crystals", Chem. Mater. 2009, 21, 4047-4054.   pdf


J. Wang, M. Pelletier, H. Zhang, H. Xia, Y. Zhao, “High-Frequency Ultrasound-Responsive Block Copolymer Micelle", Langmuir 2009, 25, 13201-13205.   pdf


H. Feng, Y. Zhao, M. Pelletier, Y. Dan, Y. Zhao, “Synthesis of Photo- and pH-Responsive Composite Nanoparticles Using a Two-Step Controlled Radical Polymerization Method", Polymer 2009, 50, 3470-3477.  pdf


Y. Zhao, J. Bertrand, X. Tong, Y. Zhao, “Photor-Cross-Linkable Polymer Micelles in Hydrogen-Bonding-Built Layer-by-Layer Films", Langmuir 2009, 25, 13151-13157.   pdf


J. He, X. Tong, Y. Zhao, “Photoresponsive Nanogels Based on Photocontrollable Cross-Links", Macromolecules 2009, 42, 4845-4852.   pdf   (One of Most Read Articles in July 2009)


Y. Zhao, J. He, “Azobenzene-Containing Block Copolymers: The Interplay of Light and Morphology Enables New Functions", Soft Matter 2009, 5, 2686-2693 (invited Highlight).  pdf   (One of Most Read Articles in July 2009)


J. Babin, M. Pelletier, M. Lepage, J.-F. Allard, D. Morris, Y. Zhao, “A New Two-Photon Sensitive Block Copolymer Nanocarrier", Angew. Chem. Int. Ed. 2009, 48, 3329-3332.    pdf


Y. Zhao, “Photocontrollable Block Copolymer Micelles: What Can We Control?", J. Mater. Chem. 2009, 19, 4887-4895 (invited Feature Article).   pdf


D. Bιlanger, X. Tong, S. Soumarι, Y. Dory, Y. Zhao, “Cyclic Peptide-Polymer Complexes and their Self-Assembly", Chem. Eur. J., 2009, 15, 4428-4436.  pdf


X. Tong, J. Chung, S.-Y. Park, Y. Zhao, “Self-Assembled Liquid Crystal Gels in an Emulsion", Langmuir 2009, 25, 8532-8537.   pdf,   supporting information (On the Cover)


J. He, Y. Zhao, Y. Zhao, “Photoinduced Bending of A Coumarin-Containing Supramolecular Polymer", Soft Matter 2009, 5, 308-310pdf


M. Pelletier, J. Babin. L. Tremblay, Y. Zhao, “Investigation of A New Thermosensitive Block Copolymer Micelle: Hydrolysis, Disruption and Release", Langmuir 2008, 24, 12664-12670.   pdf


R. Meinhardt, S. Macko, B. Qi, A.D. Draude, Y. Zhao, W. Wenig, H. Franke, “Photoinduced Molecular Motion in an Azobenzene-Containing Diblock Copolymer", J. Phys. D: Appl. Phys. 2008, 41, 195303.


Y. Zhao, B .Qi, X. Tong, Y. Zhao, “Synthesis of Double Side-Chain Liquid Crystalline Block Copolymers Using RAFT Polymerization and The Orientational Cooperative Effect", Macromolecules 2008, 41, 3823-3831.   pdf


B. Qi, X. Tong, Y. Zhao, Y. Zhao, “A Micellar Route to Layer-by-Layer Assembly of Hydrophobic Functional Polymers", Macromolecules 2008, 41, 3562-3570.   pdf


S. Dahmane, A. Lasia, Y. Zhao, “Electrochemically Active Block Copolymer Micelles Containing Coumarin Moieties", Macromol. Chem. Phys. 2008, 209, 1065-1072.   pdf


X. Tong, M. Pelletier, A. Lasia, Y. Zhao, “Fast Cis-Trans Isomerization of An Azobenzene Derivative in Liquids and Liquid Crystals under A Low Electric Field ", Angew. Chem. Int. Ed. 2008, 47, 3596-3599.   pdf,    supporting information


J. Babin, M. Lepage, Y. Zhao, “"Decoration" of Shell-Crosslinked Reverse Polymer Micelles Using ATRP: A New Route to Stimuli-Responsive Nanoparticles", Macromolecules 2008, 41, 1246-1253.   pdf     (One of Most Read Articles for January-March 2008)



Y. Zhao, “Rational Design of Light-Controllable Polymer Micelles”, Chemical Record 2007, 7, 286-294 (invited Highlight).    pdf


M. Lepage, J. Jiang, J. Babin, B. Qi, L. Tremblay, Y. Zhao, “MRI Observation of The Light-Induced Release of Contrast Agent from Photo-Controllable Polymer Micelles”, Phys. Med. Biol. 2007, 52, N249-N255.


X. Tong, Y. Zhao, “Liquid Crystal Gel-Dispersed Quantum Dots: Reversible Modulation of Photoluminescence Intensity Using an Electric Field”, J. Am. Chem. Soc. 2007, 129, 6372-6373.  pdf,   supporting information


B. Qi, Y. Zhao, “Fluorescence from An Azobenzene-Containing Diblock Copolymer Micelle in Solution”, Langmuir 2007, 23, 5746-5751.    pdf


J. Jiang, B. Qi, M. Lepage, Y. Zhao, “Polymer Micelles Stabilization on Demand through Reversible Photo-Crosslinking”, Macromolecules 2007, 40, 790-792.  pdf,   supporting information  (One of Most Read Articles in 2007)


N. Ma, Y. Wang, B. Wang, Z. Wang, X. Zhang, G. Wang, Y. Zhao, “The Interaction between Block Copolymer Micelles and Azobenzene-Containing Surfactants: from Co-Assembly in Water to Layer-by-Layer Assembly at Interface”, Langmuir 2007, 23, 2874-2878.


Y. Zhao, “Azobenzene-Containing Block Copolymers” in Polymeric Nanostructures and Their Applications (Vol.2), 281-309, 2007, American Scientific Publisher


S. Dahmane, A. Lasia, Y. Zhao, “Thermal, Optical and Electrochemical Properties of Side-Chain Azopyridine Polymers Complexed with Metalloporphyrins”, Macromol. Chem. Phys. 2006, 207, 1485-1497.


B. Qi, X. Tong, Y. Zhao, “Layer-by-Layer Assembly of Two Different Polymer Micelles with Polycation and Polyanion Coronas”, Macromolecules 2006, 39, 5714-5719.   pdf


X. Tong, G. Wang, Y. Zhao, “Photochemical Phase Transition versus Photochemical Phase Separation”, J. Am. Chem. Soc. 2006, 128, 8746-8747.   pdfsupporting information


J. Jiang, X. Tong, D. Morris, Y. Zhao, “Toward Photocontrolled Release Using Light-Dissociable Block Copolymer Micelles”, Macromolecules 2006, 39, 4633-4640.   pdf


X. Tong, Y. Zhao, B.-K. An, S.-Y. Park, “Fluorescent Liquid Crystal Gels with Electrically Switchable Photoluminescence”, Advanced Functional Materials 2006, 16. 1799-1804.   pdf


S. Dahmane, Y. Zhao, “Photoregulated Complexation, Redox Behavior and Fluorescence of A Supramolecular Polymer Solution”, J. Appl. Polym. Sci. 2006, 102, 744-750.


B. Qi, Y. Zhao, “Double-Hydrophilic Block Copolymer for Encapsulation and Two-Way pH Change-Induced Release of Metalloporphyrins ”, J. Polym. Sci. Part A: Polym. Chem. 2006, 44, 1734-1744.  pdf


X. Tong, G. Wang, A. Soldera, Y. Zhao, “How Can Azobenzene Block Copolymer Vesicles Be Dissociated and Reformed by Light?”, J. Phys. Chem. B 2005, 109, 20281-20287.   pdf



Y. Zhang, V. Leblanc-Boily, Y. Zhao, R. E. Prud'homme, “Wide-Angle X-Ray Diffraction Investigation of Crystal Orientation in Miscible Blends of PCL/PVC Crystallized under Strain”, Polymer 2005, 46, 8141-8150.



J. Jiang, X. Tong, Y. Zhao, “A New Design for Light-Breakable Polymer Micelles”, J. Am. Chem. Soc. 2005127, 8290-8291.   pdf,   supporting information



A. McCubbin, X. Tong, Y. Zhao, V. Snieckus, R.P. Lemieux, “Ferroelectric Liquid Crystals with a Chiral Fluorenol Core: The Effect of Intermolecular Hydrogen Bonding on Polar Order”, Chemistry of Materials 2005, 17, 2574-2581.



B. Qi, A. Yavrian, T. Galstian, Y. Zhao, "Liquid Crystalline Ionomers Containing Azobenzene Mesogens: Phase Stability, Photoinduced Birefringence and Holographic Grating", Macromolecules 2005, 38, 3079-3086.    pdf



S. Sevigny, L. Bouchard, S. Motallebi, Y. Zhao, "Azobenzene Polymer-Stabilized Ferroelectric Liquid Crystals: Simultaneous Photopolymerization and Photoalignment", Liquid Crystals 2005, 32, 599-607.  



L. Cui, S. Dahmane, X. Tong, L. Zhu, Y. Zhao, “Using Self-Assembly to Prepare Multifunctional Diblock Copolymers Containing Azopyridine Moiety”, Macromolecules 2005, 38, 2076-2084.  pdf



X. Tong, G. Wang, A. Yavrian, T. Galstian, Y. Zhao, “Dual-Mode Switching of Diffraction Gratings Based on Azobenzene Polymer-Stabilized Liquid Crystals”, Advanced Materials 2005, 17, 370-374. pdf



G. Wang, S. Leclair, L.-A. Roy, S. Motallebi, Y. Zhao, “Synthesis of A Liquid Crystalline Azobenzene Monomer for Photoalignment of Ferroelectric Liquid Crystals”, Liquid Crystals 2005, 32, 125-131.  



G. Wang, X. Tong, Y. Zhao, “Preparation of Azobenzene-Containing Amphiphilic Diblock Copolymers for Light-Responsive Micellar Aggregates”, Macromolecules 2004, 37, 8911-8917.    pdf



L. Cui, X. Tong, X. Yan, G. Liu, Y. Zhao, “Photoactive Thermoplastic Elastomers of Azobenzene-Containing Triblock Copolymers Prepared through Atom Transfer Radical Polymerization”, Macromolecules 2004, 37, 7097-7104.   pdf



L. Cui, Y. Zhao, “Azopyridine Side-Chain Polymers: An Efficient Way to Prepare Photoactive Liquid Crystalline Materials through Self-Assembly”, Chemistry of Materials 2004, 16, 2076-2082.   pdf



X. Tong, L. Cui, Y. Zhao “Confinement Effects on Photoalignment, Photochemical Phase Transition and Thermochromic Behavior of Liquid Crystalline Azobenzene-Containing Diblock Copolymers”, Macromolecules 2004, 37, 3101-3112.     pdf



F. Aubertin, Y. Zhao “Synthesis of Azobenzene-Containing Polythiophenes and Photoinduced Anisotropy”, J. Polym. Sci. Part A: Polym. Chem. 2004, 42, 3445-3455.   pdf




Y. Zhao, “New Photoactive Polymer and Liquid Crystal Materials”, Pure Appl. Chem. 2004, 76, 1499-1508.     pdf



J. A. McCubbin, X. Tong, R. Wang, Y. Zhao, V. Snieckus, R.P. Lemieux “Directed Metalation Route to Ferroelectric Liquid Crystals with a Chiral Fluorenol Core: The Effect of Restricted Rotation on Polar Order”, J. Am. Chem. Soc. 2004, 126, 1161-1167.



S. Leclair, D. Gauthier, Y. Dory, Y. Zhao “Micrometer-Sized Hexagonal Tubes Self-Assembled by a Cyclic Peptide in a Liquid Crystal”, Angew. Chem. Int. Ed. 2004, 43, 349-353.    pdf



S. Sevigny, L. Bouchard, S. Motallebi, Y. Zhao, “Photoinduced Alignment of Ferroelectric Liquid Crystals Using Azobenzene Polymer Networks of Polyethers and Polyepoxides”, Macromolecules 2003, 36, 9033-9041.   pdf



S. Leclair, L. Mathew, M. Giguere, S. Motallebi, Y. Zhao, “Photoinduced Alignment of Ferroelectric Liquid Crystals Using Azobenzene Polymer Networks of Chiral Polyacrylates and Polymethacrylates”, Macromolecules 2003, 36, 9024-9032.   pdf



L. Cui, Y. Zhao, A. Yavrian, T. Galstian, “Synthesis of Azobenzene-Containing Diblock Copolymers Using Atom Transfer Radical Polymerization and The Photoalignment Behavior”, Macromolecules 2003, 36, 8246-8252.    pdf



Y. Zhao, S. Bai, K. Asatryan, T. Galstian, “Holographic Recording in Photoactive Elastomer”, Advanced Functional Materials 2003, 13, 781-788.   pdf



Y. Zhao, “Design and Study of New Azobenzene Liquid Crystal/Polymer Materials”, Chin. J. Polym. Sci. 2003, 21, 621-630.



Y. Zhao, X. Tong, “Light-Induced Reorganization in Self-Assembled Liquid Crystal Gels:Electrically Switchable Diffraction Gratings”, Advanced Materials 2003, 15, 1431-1435.   pdf



X. Tong, Y. Zhao, “Self-assembled Cholesteric Liquid Crystal Gels: Preparation and Scattering-based Electrooptical  Switching”, Journal of Materials Chemistry 2003, 13, 1491-1495.    pdf



Y. Zhao, N. Paiement, S. Sevigny, S. Leclair, S. Motalleb, M. Giguere, L. Bouchard, “Azobenzene Polymer-Stabilized Ferroelectric Liquid Crystals : Photoalignment and Morphology”, SPIE, Proc., 2003, 5003, 150-159.



Y. Zhao, L. Guan, “Use of a Gelator in a Ferroelectric Liquid Crystal: Pitch Compensation and Nanofibers”, Liquid Crystals 2003, 30, 81-86.    pdf



S. Bai, Y. Zhao, “Azobenzene Elastomers for Mechanically Tunable Diffraction Gratings”, Macromolecules 2002, 35, 9657-9664.    pdf



Y. Zhao, S. Bai, D. Dumont, T. Galstian “Mechanically Tunable Diffraction Gratings Recorded on An Azobenzene Elastomer”, Advanced Materials 2002, 14, 512-514.     pdf



S. Bai, Y. Zhao “Azobenzene-Containing Thermoplastic Elastomers: Coupling Mechanical and Optical Effects”, Macromolecules 2001, 34, 9032-9038.     pdf



Y. Zhao, N. Paiement “Optically Aligned Ferroelectric Liquid Crystals”, Advanced Materials 2001, 13, 1891-1894.     pdf



D. Dumont, T. Galstian, Y. Zhao, “Optical Recording of Holograms in Azo-Polymer-Stabilized Nematic Liquid Crystals”, SPIE, Proc., 2001, 4463, 21-25.



L. Guan, Y. Zhao, “Self-assembled Gels of Liquid Crystals: Hydrogen-bonded Aggregates Formed in Various Liquid Crystalline Textures”, Journal of Materials Chemistry 2001, 11, 1339-1344.      pdf



D. Morin, Y. Zhao, R. Prud’homme, “Chain Orientation Resulting from the Crystallization Under Strain of Poly(e-caprolactone) in Miscible Blends with Poly(styrene-co-maleic anhydride)”, J. Appl. Polym. Sci. 2001, 81, 1683-1690.



L. Guan, Y. Zhao, “Self-assembly of a Liquid Crystalline Anisotropic Gel”, Chemistry of Materials 2000, 12, 3667-3673.      pdf



Y. Zhao, Y. Chenard, T. Galstain, “Optical Alignment and Fixation of Liquid Crystals Using Azobenzene Networks”, Applied Physics Letters 2000, 77, 2644-2646.



Y. Zhao, S. Bai, T.-N. Banh, J. Brazeau, “Orientation and Anchoring Effects in Stretched Polymer- Dispersed Nematic Liquid Crystals”, Liquid Crystals 2000, 27, 1183-1187.  



Y. Zhao, Y. Chenard, “Liquid Crystalline Anisotropic Gels Prepared from Optical Alignment: Polymer Network Formed in the Isotropic Phase”, Macromolecules 2000, 33, 5891-5896.     pdf



Y. Zhao, Y. Chenard, N. Paiement, “Liquid Crystalline Anisotropic Gels Based on Azobenzene-Containing Networks”, Macromolecules 2000, 33, 1049-1053.    pdf



Y. Chenard, N. Paiement, Y. Zhao, "Oriented Polymer-Dispersed Discotic Liquid Crystals", Liquid Crystals 2000, 27, 459-465.   



L. Covazier, Y. Zhao, "Confinement Effect on Phase Transitions of a Discotic Liquid  Crystal: A Calorimetric Study", Liquid Crystals 2000, 27, 137-143.



T. Galstian, Y. Chenard, Y. Zhao, “Optical Alignment of Azo-Polymer Stabilized Nematic Liquid Crystals”, Optics Letters 1999, 24, 1865-1867.



J. Brazeau, Y. Chιnard, Y. Zhao, "Oriented Polymer-Dispersed Liquid Crystals", Mol. Cryst. Liq. Cryst. 1999, 329, 749-757.



L. Corvazier, Y. Zhao, "Induction of Liquid Crystal orientation through Azobenzene-Containing Polymer Networks", Macromolecules 1999, 32, 3195-3200.     pdf



Y. Zhao, D. Keroack, R.E. Prud’homme, "Crystallization under Strain and Resultant Orientation of Poly(e-caprolactone in Miscible Blends", Macromolecules 1999, 32, 1218-1225.    pdf



Y. Zhao, G. Yuan, P. Roche, "Blends of Side-Chain Liquid Crystalline Polymers : Towards Self -Assembled Interpenetrating Networks", Polymer 1999, 40, 3025-3031. 



D. Keroack, Y. Zhao, R.E. Prud’homme, "Molecular Orientation in Crystalline Miscible Blends”, Polymer 1999, 40, 233-241. 



J. Brazeau, Y. Chιnard, Y. Zhao, "Orientation in Stretched Polymer-Dispersed Liquid Crystals", Can. J. Chem. 1998, 76, 1642-1647.



C. Bonnans-Plaisance, L. Corvazier, Y. Zhao, "Functional Polythiiranes 8 : Influence of the Terminal Group on the Thermotropic Behavior of Side Chain Liquid Crystalline Polythiiranes", Polym. Bull., 1998, 40, 569-574.



Z. He, Y. Zhao, A. Caillι  "A Kinetics Study of Crystallization from Discotic Mesophases" Liquid Crystals 1997, 23, 317-325. 



Y. Zhao, G. Yuan “Mesophase Transition-Induced Reorientation in a Stretched  Side-Chain Liquid Crystalline Polymer”  J. Polym. Sci.; Polym. Phys. Ed. 1997, 35, 1491-1499.



Y. Zhao, D. Keroack, G. Yuan, A. Massicotte, R. Hanna, M. Leclerc “Melting Behavior of Poly(3-alkylthiophene)s”  Macromol. Chem. Phys. 1997, 198, 1035-1049



G. Yuan, Y. Zhao “Grafting of Liquid Crystalline Polymers on a SBS Triblock Copolymer and Orientation Induction”  Polymer 1997, 38, 119-125.



Y. Zhao, P. Roche, G. Yuan. "Mechanically-Induced Alignment of Mesophases", Macromolecules 1996, 29, 4619-4625.     pdf



Y. Zhao, G. Yuan. "Interpenetrating Liquid Crystalline Polymer Networks" Macromolecules 1996, 29, 1067-1069. 



P. Roche, Y. Zhao "Side-Chain Liquid Crystalline Ionomers. 2. Orientation in a Magnetic Field" Macromolecules 1995, 28, 2819-2824.      pdf



Y. Zhao "Some Reflections on the Direction of the Stress-induced Macroscopic Orientation of the

Mesogenic Groups in Side-chain Liquid Crystalline Polymers:  A New Mechanism", Polymer 1995,

36, 2717-2724.    pdf



G. Yuan, Y. Zhao "Side-Chain Liquid Crystalline Ionomers.  3. Stress-Induced Orientation in Blends

with Poly(vinylchloride) as Matrix", Polymer 1995, 36, 2725-2732.



Y. Zhao, G. Yuan, P. Roche, M. Leclerc "A Calorimetric Study of the Phase Transitions in Poly (3

-hexylthiophene)", Polymer 1995, 36, 2211-2214.    pdf



G. Yuan, Y. Zhao "Thermally Induced Relaxation and Recovery of the Macroscopic Orientation in a

Side-Chain Liquid Crystalline Polyacrylate"  Macromol. Chem. Phys. 1994, 195, 3281-3288.



Y. Zhao, H. Lei "Side-Chain Liquid Crystalline Ionomers.  1. Preparation through Alkaline

Hydrolysis and Characterization", Macromolecules 1994, 27, 4525-4529.    pdf



Y. Zhao, H. Lei "A Polarized Infrared Study of Mechanically Induced Orientation in Side-Chain

Liquid Crystalline Polymers", Polymer 1994, 35, 1419-1424.



H. Lei, Y. Zhao "Stress-Induced Orientation in Polymer Blends Containing a Side-Chain Liquid Crystalline Polymer" Polymer 1994, 35, 104-109.



Y. Zhao, H. Lei “Stress-Induced Orientation in Side-Chain Liquid Crystalline Polymers”, Macromol. Reports, J. Macromol. Sci.-Pure & Appl. Chem. 1994, A31, 987-995.



A.D. Oultache, Y. Zhao, B. Jasse, L. Monnerie "Orientation and Relaxation in Uniaxially Stretched

PMMA-SAN Compatible Blends", Polymer 1994, 35, 681-686.



H. Lei, Y. Zhao "An Easy Way of Preparing Side-Chain Liquid Crystalline Ionomers" Polym. Bull.

1993, 31, 645-649.     pdf



Y. Zhao "Structural Changes upon Annealing in a Deformed Styrene-Butadiene-Styrene Triblock

Copolymer as Revealed by Infrared Dichroism", Macromolecules 1992, 25, 4705-4711.  pdf



Y. Zhao "An Analysis of the Orientational Birefringence of Poly(methyl methacrylate) in Terms of

the Mooney-Rivlin Equation" Eur. Polym. J. 1992, 28, 1131-1134.



Y. Zhao, H. Lei  "Magnetic Field-Induced Orientation in Side-Chain Liquid Crystalline Polymers Studied by Infrared Dichroism", Macromolecules 1992, 25, 4043-4045.   pdf



Y. Zhao, C.G. Bazuin, R.E. Prud'homme. "Infrared Dichroism Study of Orientation and Relaxation in

Polymer Blends Containing a Small Amount of Poly (2,6-dimethyl1,4 -phenylene oxide)",

Macromolecules 1991, 24, 1261-1268.



Y. Zhao, R.E. Prud'homme, "Nonradiative Energy Transfer Fluorescence Spectroscopy Study of Poly(methyl methacrylate /Poly(vinyl chloride) Blends",  Polym. Bull. 1991, 26, 101- 108.



Y. Zhao, D.-Z. Ma, R.E. Prud'homme, "Investigation of  Polymer Blend Miscibility Using Excimer Fluorescence", Polymer 1991, 32, 791-795.



Y. Zhao, B. Jasse, L. Monnerie, "Fourier Transform Infrared and Birefringence Studies of Orientation in Uniaxially Stretched Poly(methyl methacrylate/Polytrifluoroethylene Blends", Polymer 1991, 32, 209-214.



Y. Zhao, R.E. Prud'homme, "Fluorescence Spectroscopy:  A Sensitive Tool for Studying the Miscibility of Polymer Blends", Chemtracts, Macromol. Chem.1991, 2, 1-23.



Y. Zhao, R.E. Prud'homme "Nonradiative Energy Transfer of Miscible Polymer Blends: Influence of the Content of Fluorescent Chromophores in Labeled Polymers", Macromolecules 1991, 24, 2103-2105.



Y. Zhao, R.E. Prud'homme, "Nonradiative Energy Transfer Study: Blends of Polyvinylchloride and

Polymethylmethacrylates of Different Tacticities and Molecular Weights", Macromolecules 1990,

23, 713-718.



Y. Zhao, B. Jasse, L. Monnerie "Comparison of Orientation Behavior in Uniaxially Stretched PS and PMMA",  Polym. Commu. 1990, 31, 395-397.



Y. Zhao, C.G. Bazuin, R.E. Prud’homme, “Infrared Dichroism Study of Orientation Using Ionomers”, Macromolecules 1989, 22, 3788.



Y. Zhao, B. Jasse, L. Monnerie “Orientation and Relaxation in Uniaxially Stretched Poly(methyl methacrylate)/Poly(ethylene oxide) Blends”, Polymer 1989, 30, 1643.



Y. Zhao, J. Levesque, P.C. Roberge, R.E. Prud’homme, “A Study of Polymer Blends by Nonradiative Energy Transfer Fluorescence Spectroscopy”, J. Polym. Sci. Polym. Phys. Ed. 1989, 27, 1955-1970.



Y. Zhao, B. Jasse, L. Monnerie, “Fourier Transform Infrared Study of orientation and Relaxation in Poly(methyl methacrylate)”, Makcromol. Chem. Macromol. Symp. 1986, 5, 87-97.



Y. Zhao, B. Jasse, L. Monnerie, “Orientation in Uniaxially Stretched Plasticized Atactic Polystyrene”, Polym. Bull. 1985, 13, 259-262.