Photoresponsive block copolymers containing azobenzenes and other chromophores

Molecules

Volumn 15, Issue 1, 2010, Pages 570-603

  Yu, Haifeng ^a   Kobayashi, Takaomi ^a  

^a NAGAOKA UNIVERSITY OF TECHNOLOGY   (Japan)

Author keywords

Advanced materials; Azobenzenes; Liquid crystals; Microphase separation; Photoresponsive block copolymers

Indexed keywords

AZO COMPOUND; AZOBENZENE; COLORING AGENT; NANOMATERIAL; POLYMER;

CHEMISTRY; ISOLATION AND PURIFICATION; LIGHT; POROSITY; RADIATION EXPOSURE; REVIEW; SYNTHESIS;

AZO COMPOUNDS; COLORING AGENTS; LIGHT; NANOSTRUCTURES; POLYMERS; POROSITY;

EID: 75749154044     PISSN: None     EISSN: 14203049     Source Type: Journal    
DOI: 10.3390/molecules15010570     Document Type: Review

References (125)

1. Kumar, G.; Neckers, D. Photochemistry of azobenzene-containing polymers. Chem. Rev. 1989, 89, 1915-1925.
2. Xie, S.; Natansohn A.; Rochon, P. Recent developments in aromatic azo polymers research. Chem. Mater. 1993, 5, 403-411.
3. Viswanathan, N.; Kim, D.; Bian, S.; Williams, J.; Liu, W.; Li, L.; Samuelson, L.; Kumar, J.; Tripathy, S. Surface relief structures on azo polymer films. J. Mater. Chem. 1999, 9, 1941-1955.
4. Ichimura, K. Photoalignment of liquid-crystal systems. Chem. Rev. 2000, 100, 1847-1873.
5. Hvilsted, S.; Ramanujam, P. S. The azobenzene optical storage puzzle-demands on the polymer scaffold? Monatshefte fur Chemie 2001, 132, 43-51.
6. Natansohn, A.; Rochon, P. Photoinduced motions in azo-containing polymers. Chem. Rev. 2002, 102, 4139-4175.
7. Ikeda, T. Photomodulation of liquid crystal orientations for photonic applications. J. Mater. Chem. 2003, 13, 2037-2057.
8. Zhao, Y.; He, J. Azobenzene-containing block copolymers: the interplay of light and morphology enables new functions. Soft. Mater. 2009, 5, 2686-2693.
9. Yager, K.; Barrett, C Novel Photoswitching using azobenzene functional materials. J. Photochem. Photobio. A: Chem. 2006, 182, 250-261.
10. Seki, T. Smart photoresponsive polymer systems organized in two dimensions. Bull. Chem. Soc. Jpn. 2007, 80, 2084-2109.
11. Ikeda, T.; Mamiya, J.; Yu, Y. Photomechanics of liquid-crystalline elastomers and other polymers. Angew. Chem. Int. Ed. 2007, 46, 506-528. (Pubitemid 46159190)
12. Yu, H.F.; Li, J.; Ikeda, T.; Iyoda, T. Macroscopic parallel nanocylinder array fabrication using a simple rubbing technique. Adv. Mater. 2006, 18, 2213-2215. (Pubitemid 44433662)
13. Yu, H.F.; Iyoda, T.; Ikeda, T. Photoinduced alignment of nanocylinders by supramolecular cooperative motions. J. Am. Chem. Soc. 2006, 128, 11010-11011. (Pubitemid 44300095)
14. Tian, Y.; Watanabe, K.; Kong, X.; Abe, J.; Iyoda, T. Synthesis, nanostructures, and functionality of amphiphilic liquid crystalline block copolymers with azobenzene moieties. Macromolecules 2002, 35, 3739-3747.
15. Thomas, E.; Lescanec, R. Phase morphology in block copolymer systems. Philosoph, transact. Roy. Soc. London. A 1994, 348, 149-166.
16. Bates, F.; Fredrichson, G. Block copolymer-designer soft materials. Phys. Today 1999, 32-38.
17. Hawker, C.; Thomas, P. Block copolymer lithography: merging "bottom-up" with "top-down" processes. MRS Bull. 2005, 30, 952-966.
18. Darling, S. Directing the self-assembly of block copolymers. Prog. Polym. Sci. 2007, 32, 1152-1204.
19. Weigert, F. Dichroism induced in a fine-grain silverchloride emulsion by a beam of linearly polarized light. Verh. Dtsch. Phys. Ges. 1919, 21, 479-483.
20. Yu, H.F.; Asaoka, A.; Shishido, A.; Iyoda, T.; Ikeda, T. Photoinduced nanoscale cooperative motion in a novel well-defined triblock copolymer. Small 2007, 3, 768-771. (Pubitemid 46750425)
21. Yu, H.F.; Shishido, A.; Iyoda, T.; Ikeda, T. Novel wormlike nanostructure self-assembled in a well-defined liquid-crystalline diblock copolymer with azobenzene moieties. Macromol. Rapid Commun. 2007, 28, 927-931. (Pubitemid 47252065)
22. Cui, L.; Tong, X.; Yan, X.; Liu, G.; Zhao, Y. Photoactive thermoplastic elastomers of azobenzene-containing triblock copolymers prepared through atom transfer radical polymerization. Macromolecules 2004, 37, 7097-7104.
23. Qi, B.; Yavrian, A.; Galstian, T.; Zhao, Y. Liquid crystalline ionomers containing azobenzene mesogens: phase stability, photoinduced birefringence and holographic grating. Macromolecules 2005, 38, 3079-3086. (Pubitemid 40541210)
24. Ravi, P.; Sin, S.; Gan, L.; Gan, Y.; Tarn, K.; Xia, X.; Hu, X. New water soluble azobenzenecontaining diblock copolymers: synthesis and aggregation behavior. Polymer 2005, 46, 137-146. (Pubitemid 39602705)
25. Zhao, Y. Rational design of light-controllable polymer micelles. Chem. Rec. 2007, 7, 286-294.
26. Discher, D.; Eisenberg A. Polymer vesicles. Science 2002, 297, 967-974.
27. Zhao, Y. Photocontrollable block copolymer micelles: what can we control? J. Mater. Chem. 2009, 19, 4887-4895.
28. Park, C.; Yoon, J.; Thomas, E. Enabling nanotechnology with self assembled block copolymer patterns. Polymer 2003, 44, 6725-6760. (Pubitemid 37210458)
29. Cheng, J.Y.; Ross, C.; Smith, H.; Thomas, E. Templated self-assembly of block copolymers: topdown helps bottom-up. Adv. Mater. 2006, 18, 2505-2521. (Pubitemid 44563465)
30. Finkelmann, H.; Bohnert, R. Liquid-crystalline side-chain AB block copolymers by direct anionic polymerization of a mesogenic methacrylate. Macromol. Chem. Phys. 1994, 195, 689-700.
31. Lehmann, O.; Forster, S.; Springer, J. Synthesis of new side-group liquid crystalline block copolymers by living anionic polymerization. Macromol. Rapid Commun. 2000, 21, 133-135.
32. Matyjaszewski, K.; Xia, J. Atom transfer radical polymerization. Chem. Rev. 2001, 101, 2921-2990.
33. Coessensm, V.; Pintauer, T.; Matyjaszewski, K. Functional polymers by atom transfer radical polymerization. Prog. Polym. Sci. 2001, 26, 337-377. (Pubitemid 32427643)
34. Han, Y.; Dufour, B.; Wu, W.; Kowalewski, T.; Matyjaszewski, K. Synthesis and characterization of new liquid-crystalline block copolymers with p-cyanoazobenzene moieties and poly(n-butyl acrylate) segments using atom-transfer radical polymerization. Macromolecules 2004, 37, 9355-9365.
35. Cui, L.; Dahmane, S.; Tong, X.; Zhu, L.; Zhao, Y. Using self-assembly to prepare multifunctional diblock copolymers containing azopyridine moiety. Macromolecules 2005, 38, 2076-2084. (Pubitemid 40430373)
36. Tong, X.; Cui, L.; Zhao, Y. Confinement effects on photoalignment, photochemical phase transition and thermochromic behavior of liquid crystalline azobenzene-containing diblock copolymers. Macromolecules 2004, 37, 3101-3112.
37. Cui, L.; Zhao, Y.; Yavrian, A.; Galstian, T. Synthesis of azobenzene-containing diblock copolymers using atom transfer radical polymerization and the photoalignment behavior. Macromolecules 2003, 36, 8246-8252.
38. Morikawa, Y.; Kondo, T.; Nagano, S.; Seki, T. Photoinduced 3D ordering and patterning of microphase-separated nanostructure in polystyrene-based block copolymer. Chem. Mater. 2007, 19, 1540-1542. (Pubitemid 46608189)
39. Yu, H. F.; Shishido, A.; Ikeda, T.; Iyoda, T. Novel amphiphilic diblock and triblock liquidcrystalline copolymers with well-defined structures prepared by atom transfer radical polymerization. Macromol. Rapid Commun. 2005, 26, 1594-1598. (Pubitemid 41547251)
40. Tang, X.; Gao, L.; Fan, X.; Zhou, Q. ABA-type amphiphilic triblock copolymers containing p-ethoxyazobenzene via atom transfer radical polymerization: synthesis, characterization, and properties. J. Polym. Sci. Part A: Polym. Chem. 2007, 45, 2225-2234. (Pubitemid 46854270)
41. Forcen, P.; Oriol, L.; Sanchez, C.; Alcala, R.; Hvilsted, S.; Jankova, K.; Loos, J. Synthesis, characterization and photoinduction of optical anisotropy in liquid crystalline diblock azo-copolymers. J. Polym. Sci. Part A: Polym. Chem. 2007, 45, 1899-1910. (Pubitemid 46800073)
42. He, X.; Zhang, H.; Yan, D.; Wang, X. Synthesis of side-Chain liquid-crystalline homopolymers and triblock copolymers with p-methoxyazobenzene moieties and poly(ethylene glycol) as coil segments by atom transfer radical polymerization and their thermotropic phase behavior. J. Polym. Sci. Part A: Polym. Chem. 2003, 41, 2854-2864. (Pubitemid 37106643)
43. Zhang, Y.; Cheng, Z.; Chen, X.; Zhang, W.; Wu, J.; Zhu, J.; Zhu, X. Synthesis and photoresponsive behaviors of well-defined azobenzene-containing polymers via RAFT polymerization. Macromolecules 2007, 40, 4809-4817. (Pubitemid 47169893)
44. Zhao, Y.; Qi, B.; Tong, X.; Zhao, Y. Synthesis of double side-chain liquid crystalline block copolymers using RAFT polymerization and the orientational cooperative effect. Macromolecules 2008, 41, 3823-3831.
45. Yoshida, E.; Ohta, M. Preparation of micelles with azobenzene at their coronas or cores from nonamphiphilic diblock copolymers. Colloid Polym. Sci. 2005, 283, 521-531. (Pubitemid 40174052)
46. Adams, J.; Gronski, W. LC side chain AB-block copolymers with an amorphous A-block and a liquid-crystalline B-block. Macromol. Rapid Commun. 1989, 10, 553-557.
47. Mao,G.;Wang,J.;Clingman,S.;Ober,C.;Chen,J.;Thomas,E.Moleculardesign, synthesis,andcharacterizationofliquidcrystal- coildiblockcopolymerswithazobenzenesidegroups.Macromolecules1997,30,2556-2567. (Pubitemid127567750)
48. Frenz, C.; Fuchs, A.; Schmidt, H. W.; Theissen, U.; Haarer, D. Diblock copolymers with azobenzene side-groups and polystyrene matrix: synthesis, characterization and photoaddressing. Macromol. Chem. Phys. 2004, 205, 1246-1258.
49. Hayakawa, T.; Horiuchi, S.; Shimizu, H.; Kawazoe, T.; Ohtsu, M. Synthesis and characterization of polystyrene-b-poly(1, 2-isoprene-ran-3, 4-isoprene) block copolymers with azobenzene side groups. J. Polym. Sci. A: Polym. Chem. 2002, 40, 2406-2414.
50. Wang, D.; Ye, G.; Wang, X. Synthesis of aminoazobenzene-containing diblock copolymer and photoinduced deformation behavior of its micelle-like aggregates. Macromol. Rapid Commun. 2007, 28, 2237-2243. (Pubitemid 350241758)
51. Wang,X.;Chen,J.;Marturunkakul,S.;Li,L.;Kumar,J.;Tripathy,S. Epoxy-basednonlinearopticalpolymersfunctionalizedwithtricyanovinylchromophores. Chem.Mater.1997,9,45-50.(Pubitemid127471451)
52. Wang, D.; Ye, G.; Zhu, Y.; Wang, X. Photoinduced mass-migration behavior of two amphiphilic side-chain azo diblock copolymers with different length flexible spacers. Macromolecules 2009, 42, 2651-2657.
53. Yu, H.F.; Kobayasi, T.; Ge, Z. Precise control of photoinduced birefringence in azobenzenecontaining liquid-crystalline polymers by post functionalization. Macromol. Rapid Commun. 2009, 30, 1725-1730.
54. Makinen, R.; Ruokolainen, J.; Ikkala, O.; Moei, K.; Brinke, G.; Odorico, W.; Stamm, M. Orientation of supramolecular self-organized polymeric nanostructures by oscillatory shear flow. Macromolecules 2000, 33, 3441-3446. (Pubitemid 30853791)
55. Sidorenko, A.; Tokarev, I.; Minko, S.; Stamm, M. Ordered reactive nanomembranes/ nanotemplates from thin films of block copolymer supramolecular assembly. J. Am. Chem. Soc. 2003, 125, 12211-12216. (Pubitemid 37238853)
56. Chao, C.; Li, X.; Ober, C.; Osuji, C.; Thomas, E. Orientational switching of mesogens and microdomains in hydrogen-bonded side-chain liquid-crystalline block copolymers using AC electric fields. Adv. Funct. Mater. 2004, 14, 364-370.
57. Serhatli,I.;Serhatli,M.Synthesisandcharacterizationofamorphous- liquidcrystallinepoly(vinylether)blockcopolymers.Turk.J.Chem.1998,22,279-287. (Pubitemid128342338)
58. Yu, H.F.; Iyoda, T.; Okano, K.; Shishido, A.; Ikeda, T.; Watanabe, K. Photoresponsive behavior and photochemical phase transition of amphiphilic diblock liquid-crystalline copolymer. Mol. Cryst. Liq. Cryst. 2005, 443, 191-199.
59. Trenor, S.; Shultz, A.; Love, B.; Long, T. Coumarins in polymers: from light harvesting to photocross-linkable tissue scaffolds. Chem. Rev. 2004, 104, 3059-3077.
60. Dilline, W. Polymerization of unsaturated compounds by photocyloaddition reaction. Chem. Rev. 1983, 83, 1-47.
61. Hasegawa, M. Photopolymerization of diolefin crystals. Chem. Rev. 1983, 83, 507-518.
62. Wu,Y.;Demachi,Y.;Tsutsumi,O.;Kanazawa,A.;Shiono,T.;Ikeda,T. Photoinducedalignmentofpolymerliquidcrystalscontainingazobenzenemoieties inthesidechain.1.effectoflightintensityonalignmentbehavior.Macromolecules1998, 31,349-354.(Pubitemid128559856)
63. Wu,Y.;Demachi,Y.;Tsutsumi,O.;Kanazawa,A.;Shiono,T.;Ikeda,T. Photoinducedalignmentofpolymerliquidcrystalscontainingazobenzenemoietiesin thesidechain.3.effectofstructureofphotochromicmoietiesonalignmentbehavior. Macromolecules1998,31,4457-4463.(Pubitemid128567883)
64. Lin, S.; Lin, J.; Nose, T.; Iyoda, T. Micellar structures of block-copolymers with ordered cores in dilute solution as studied by polarized and depolarized light scattering. J. Polym. Sci. B: Polym. Phys. 2007, 45, 1333-1343. (Pubitemid 46861621)
65. Li, J.; Kamata, K.; Watanabe, S.; Iyoda, T. Template- and vacuum-ultraviolet-assisted fabrication of a Ag-nanoparticle array on flexible and rigid substrates. Adv. Mater. 2007, 19, 1267-1271.
66. Li, J.; Kamata, K.; Komura, M.; Yamada, T.; Yoshida, H.; Iyoda, T. Anisotropic ion conductivity in liquid crystalline diblock copolymer membranes with perpendicularly oriented PEO cylindrical domains. Macromolecules 2007, 40, 8125-8128. (Pubitemid 350150520)
67. Breiner, T.; Kreger, K.; Hagen, R.; Hackel, M.; Kador, L.; Muller, A.; Kramer, E.; Schmidt, H. Blends of poly(methacrylate) block copolymers with photoaddressable segments. Macromolecules 2007, 40, 2100-2108. (Pubitemid 46502627)
68. Paik, M.; Krishnan, S.; You, F.; Li, X.; Hexemer, A.; Ando, Y.; Kang, S.; Fischer, D.; Kramer, E.; Ober, C. Surface organization, light-driven surface changes, and stability of semifluorinated azobenzene polymers. Langmuir 2007, 23, 5110-5119. (Pubitemid 46732001)
69. Yoshida, T.; Doi, M.; Kanaoka, S.; Aoshima, S. Polymer surface modification using diblock copolymers containing azobenzene. J. Polym. Sci. A: Polym. Chem. 2005, 43, 5704-5709. (Pubitemid 43080634)
70. Naka, Y.; Yu, H.F.; Shishido, A.; Ikeda, T. Photoalignment and holographic properties of azobenzene-containing block copolymers with oxyethylene and alkyl spacers Mol. Cryst. Liq. Cryst. 2009, 498, 118-130.
71. Yu, H. F.; Naka, Y.; Shishido, A.; Ikeda, T. Well-defined liquid-crystalline diblock copolymers with an azobenzene moiety: synthesis, photoinduced alignment and their holographic properties. Macromolecules 2008, 41, 7959-7966.
72. Hamley, I. Nanostructure fabrication using block copolymers. Nanotechnology 2003, 14, R39-R54.
73. Mao, G.; Ober, C. Block copolymers containing liquid crystalline segements. Acta Polym. 1996, 48, 405-422.
74. Finkelmann, H.; Walther, M. Structure formation of liquid crystalline block copolymers. Prog. Polym. Sci. 1996, 21, 951-979. (Pubitemid 126404026)
75. Whitesides, G.; Grzybowski, B. Self-assembly at all scales. Science 2002, 295, 2418-2418
76. Komura, M.; Iyoda, T. AFM cross-sectional imaging of perpendicularly oriented nanocylinder structures of microphase-separated block copolymer films by crystal-like cleavage. Macromolecules 2007, 40, 4106-4108. (Pubitemid 47018144)
77. Watanabe, K.; Yoshida, H.; Kamata, K.; Iyoda, T. Direct TEM observation of perpendicularly oriented nanocylinder structure in amphiphilic liquid crystalline block copolymer thin films. Trans. Mater. Res. Soc. Jpn. 2005, 30, 377-381.
78. Kim, S.; Solak, H.; Stoykovich, M.; Ferner, N.; Pablo, J.; Nealey, P. Epitaxial self-assembly of block copolymers on lithographically defined nanopatterned substrates. Nature 2003, 424, 411-414. (Pubitemid 36917485)
79. Berreman, D. Solid surface shape and the alignment of an adjacent nematic liquid crystal. Phys. Rev. Lett. 1972, 28, 1683-1686
80. Demus, D.; Goodbye, J.; Gray, G.; Spiess, H.; Vill, V. Handbook of Liquid Crystals; Wiley-VCH Verlag, Weinheim, Germany, 1998.
81. Ikeda, T.; Nakano, M.; Yu, Y.; Tsutsumi, O.; Kanazawa, A. Anisotropic bending and unbending behavior of azobenzene liquid-crystalline gels by light. Adv. Mater. 2003, 15, 201-205.
82. Reiter,G.;Gastelein,G.;Hoerner,P.;Riess,G.;Blumen,A.;Sommer,J. Nanometer-scalesurfacepatternswithlong- rangeordercreatedbycrystallizationofdiblockcopolymers.Phys.Rev.Lett.1999,83, 3844-3847.(Pubitemid129583018)
83. Ikeda, T.; Tsutsumi, O. Optical switching and image storage by means of azobenzene liquidcrystal films. Science 1995, 268, 1873-1875.
84. Morikawa, Y.; Nagano, S.; Watanabe, K.; Kamata, K.; Iyoda, T.; Seki, T. Optical alignment and patterning of nanoscale microdomains in a block copolymer thin film. Adv. Mater. 2006, 18, 883-886. (Pubitemid 44882920)
85. Kamata, K.; Iyoda, T. Alignment control and templating process in amphiphilic block copolymer thin film. Res. Rep.-NIFS-PROC Series 2008, 70, 48-50.
86. Tomikawa, N.; Lu, Z.; Itoh, T.; Imre, C. T.; Adachi, M.; Tokita, M.; Watanabe, J. Orientation of microphase-segregated cylinders in liquid crystalline diblock copolymer by magnetic field. Jpn. J. Appl. Phys. 2005, 44, L711-L714. (Pubitemid 41205380)
87. Osuji, C.; Ferreira, P.; Mao, G.; Ober, C.; Vander, J.; Thomas, E. Alignment of self-assembled hierarchical microstructure in liquid crystalline diblock copolymers using high magnetic fields. Macromolecules 2004, 37, 9903-9908. (Pubitemid 40079980)
88. Hamley, I.; Castelletto, V.; Lu, Z.; Imrie, C.; Itoh, T.; Al-Hussein, M. Interplay between smectic ordering and microphase separation in a series of side-group liquid-crystal block copolymers. Macromolecules 2004, 37, 4798-4807.
89. Osuji, C.; Zhang, Y.; Mao, G.; Ober, C.; Thomas, E. Transverse cylindrical microdomain orientation in an LC diblock copolymer under oscillatory shear. Macromolecules 1999, 32, 7703-7706. (Pubitemid 30537721)
90. Osuji, C.; Chen, J.; Mao, G.; Ober, C.; Thomas, E. Understanding and controlling the morphology of styrene-isoprene side-group liquid crystalline diblock copolymers. Polymer 2000, 41, 8897-8907.
91. Tokita, M.; Adachi, M.; Masuyama, S.; Takazawa, F.; Watanabe, J. Characteristic shear-flow orientation in LC block copolymer resulting from compromise between orientations of microcylinder and LC mesogen. Macromolecules 2007, 40, 7276-7282. (Pubitemid 47583076)
92. Tokita, M.; Adachi, M.; Takazawa, F.; Watanabe, J. Shear flow orientation of cylindrical microdomain in liquid crystalline diblock copolymer and its potentiality as anchoring substrate for nematic mesogens. Jpn. J. Appl. Phys. 2006, 45, 9152-9156. (Pubitemid 47253067)
93. Rochon, P.; Batalla, E.; Natanhson, A. Optically induced surface gratings on azoaromatic polymer films. Appl. Phys. Lett. 1995, 66, 136-138.
94. Kim, D.; Tripathy, S.; Li, L.; Kumar, J. Laser-induced holographic surface relief gratings on nonlinear optical polymer films. Appl. Phys. Lett. 1995, 66, 1166-1168.
95. Yu, H.F.; Okano, K.; Shishido, A.; Ikeda, T.; Kamata, K.; Komura, M.; Iyoda, T. Enhancement of surface-relief gratings recorded in amphiphilic liquid-crystalline diblock copolymer by nanoscale phase separation. Adv. Mater. 2005, 17, 2184-2188.
96. Yu, H.F.; Shishido, A.; Iyoda, T.; Ikeda, T. Effect of recording time on grating formation and enhancement in an amphiphilic diblock liquid-crystalline copolymer. Mol. Cryst. Liq. Cryst. 2009, 498, 29-39.
97. Naka, Y.; Yu, H.F.; Shishido, A.; Ikeda, T. Photoalignment and holographic properties of azobenzene-containing block copolymers with oxyethylene and alkyl spacers. Mol. Cryst. Liq. Cryst. 2009, 513, 131-141.
98. Yu, H. F.; Shishido, A.; Ikeda, T. Subwavelength modulation of surface relief and refractive index in pre-irradiated liquid-crystalline polymer Films. Appl. Phys. Lett. 2008, 92, 1031171-1031173.
99. Frenz, C.; Fuchs, A.; Schmidt, H.; Theissen, U.; Haarer, D. Diblock copolymers with azobenzene side-groups and polystyrene matrix: synthesis, characterization and photoaddressing. Macromol. Chem. Phys. 2004, 205, 1246-1258.
100. Pakula, T.; Saijo, K.; Kawai, H.; Hashimoto, T. Deformation behavior of styrene-butadienestyrene triblock copolymer with cylindrical morphology. Macromolecules 1985, 18, 1294-1302.
101. Bai, S.; Zhao, Y. Azobenzene elastomers for mechanically tunable diffraction gratings. Macromolecules 2002, 35, 9657-9664.
102. Zhao, Y.; Bai, S.; Dumont, D.; Galstian, T. mechanically tunable diffraction gratings recorded on an azobenzene elastomer. Adv. Mater. 2002, 14, 512-514.
103. Bai, S.; Zhao, Y. Azobenzene-containing thermoplastic elastomers: coupling mechanical and optical effects. Macromolecules 2001, 34, 9032-9038.
104. Saishoji, A.; Sato, D.; Shishido, A.; Ikeda, T. Formation of bragg gratings with large angular multiplicity by means of photoinduced reorientation of azobenzene. Langmuir 2007, 23, 320-326.
105. Ishiguro, M.; Sato, D.; Shishido, A.; Ikeda, T. Bragg-type polarization gratings formed in thick polymer films containing azobenzene and tolane moieties. Langmuir 2007, 23, 332-338.
106. Minabe, J.; Maruyama, T.; Yasuda, S.; Kawano K.; Hayashi, K.; Ogasawara, Y. Design of dye concentrations in azobenzene-containing polymer films for volume holographic storage. Jpn. J. Appl. Phys. 2004, 43, 4964-4967.
107. Häckel, M.; Kador, L.; Kropp, D.; Frenz, C.; Schmidt, H. Holographic gratings in diblock copolymers with azobenzene and mesogenic side groups in the photoaddressable dispersed phase. Adv. Funct. Mater. 2005, 15, 1722-1727.
108. Häckel, M.; Kador, L.; Kropp, D.; Schmidt, H. Polymer blends with azobenzene-containing block copolymers as stable rewritable volume holographic media. Adv. Mater. 2007, 19, 227-231.
109. Suzuki, S.; Kamata, K.; Yamauchi, H.; Iyoda, T. Selective doping of lead ions into normally aligned PEO cylindrical nanodomains in amphiphilic block copolymer thin films. Chem. Lett. 2007, 36, 978-979.
110. Watanabe, S.; Fujiwara, R.; Hada, M.; Okazaki, Y.; Iyoda, T. Site-specific recognition of nanophase-separated surfaces of amphiphilic block copolymers by hydrophilic and hydrophobic gold nanoparticles. Angew. Chem. Int. Ed. 2007, 46, 1120-1123.
111. Chen, A.; Komura, M.; Kamata, K.; Iyoda, T. Highly ordered arrays of mesoporous silica nanorods with tunable aspect ratios from block copolymer thin films. Adv. Mater. 2008, 20, 763-767.
112. Kadota, S.; Aoki, K.; Nagano, S.; Seki, T. Photocontrolled microphase separation of block copolymers in two dimensions. J. Am. Chem. Soc. 2005, 127, 8266-8267.
113. Wang, G.; Tong, X.; Zhao, Y. Preparation of azobenzene-containing amphiphilic diblock copolymers for light-responsive micellar aggregates. Macromolecules 2004, 37, 8911-8917.
114. Lee, H.; Wu, W.; Oh, J. K.; Mueller, L.; Sherwood, G.; Peteanu, L.; Kowalewski, T.; Matyjaszewski, K. Light-induced reversible formation of polymeric micelles. Angew. Chem. Int. Ed. 2007, 46, 2453-2457.
115. Jiang, J.; Tong, X.; Zhao, Y. A new design for light-breakable polymer micelles. J. Am. Chem. Soc. 2005, 127, 8290-8291.
116. Jiang, J.; Tong, X.; Morris, D.; Zhao, Y. Toward photocontrolled release using light-dissociable block copolymer micelles. Macromolecules 2006, 39, 4633-4640.
117. Ding, J.; Liu, G. Hairy, semi-shaved, and fully shaved hollow nanospheres from polyisopreneblock-poly(2-cinnamoylethyl methacrylate). Chem. Mater. 1998, 10, 537-542.
118. Tao, J.; Stewart, S.; Liu, G.; Yang, M. Star and cylindrical micelles of polystyrene-block-poly(2-cinnamoylethyl methacrylate) in cyclopentane. Macromolecules 1997, 30, 2738-2745.
119. Liu, G. Block copolymer nanofibers and nanotubes. In Block Copolymers in Nanoscienc; Lazzari, M., Liu, G., Lecommandoux, S., Eds.; Publisher: WILEY-VCH Verlag GmbH & C KGaA. 2006; pp 233-256.
120. Babin, J.; Lepage, M.; Zhao, Y. Decoration of shell-crosslinked reverse polymer micelles using ATRP: a new route to stimuli-responsive nanoparticles. Macromolecules 2008, 41, 1246-1253.
121. He, J.; Tong, X.; Tremblay, L.; Zhao, Y. Corona-cross-linked polymer vesicles displaying a large and reversible temperature-responsive volume transition. Macromolecules 2009, 42, 7267-7270.
122. Wang, D.; Liu, J.; Ye, G.; Wang, X. Amphiphilic block copolymers bearing strong push-pull azo chromophores: Synthesis, micelle formation and photoinduced shape deformation. Polymer 2009, 50, 418-427.
123. Deng, W.; Albouy, P.; Lacaze, E.; Keller, P.; Wang, X.; Li, M. Azobenzene-containing liquid crystal triblock copolymers: synthesis, characterization, and self-assembly behavior. Macromolecules 2008, 41, 2459-2466.
124. Deng, W.; Li, M.; Wang, X.; Keller, P. Light-responsive wires from side-on liquid crystalline azo polymers. Liq. Cryst. 2009, 36, 1023-1029.
125. Chen, D.; Liu, H.; Kobayasi, T.; Yu, H. F. Fabrication of regularly-patterned microporous films by self-organization of an amphiphilic liquid-crystalline diblock Copolymer under a Dry Environment. Macromol. Mater. Eng. 2009, 295, 26-31.