Photonic applications of azobenzene molecules embedded in amorphous polymer

被引：29
|
作者：
De Martino, S. [1 ,2 ]
Mauro, F. [1 ,2 ]
Netti, P. A. [1 ,2 ]
机构：
[1] Ist Italiano Tecnol, Ctr Adv Biomat Healthcare, IIT CRIB, Largo Barsanti & Matteucci 53, I-80125 Naples, Italy
[2] Univ Napoli Federico II, Interdisciplinary Res Ctr Biomat CRIB, Dipartimento Ingn Chim Mat & Prod Ind, Piazzale Tecchio 80, I-80125 Naples, Italy
来源：
RIVISTA DEL NUOVO CIMENTO | 2020年 / 43卷 / 12期
关键词：
Azobenzene; Azopolymers; Amorphous polymer; Photonic; SRG; SURFACE-RELIEF GRATINGS; DIRECTIONAL PHOTOFLUIDIZATION LITHOGRAPHY; REVERSIBLE OPTICAL STORAGE; LIGHT-EMITTING-DIODES; AZO-POLYMERS; PHOTORESPONSIVE HYDROGELS; TOPOGRAPHICAL CONTROL; PHOTOINDUCED MOTIONS; DIFFRACTION GRATINGS; AZOPOLYMER SURFACES;
D O I：
10.1007/s40766-021-00014-x
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The incorporation of azobenzene chromophores into polymer systems gives rise to a number of unique effects under UV and visible light irradiation. The light-driven isomerization of the azobenzene element acts as a light-to-mechanical energy converter, translating the nanoscopic structural movement of the isomerization azobenzene into macroscopic topographic film modulation in the form of surface relief. This review focuses on the study of reversible changes in shape in various systems incorporating azobenzene, including large-scale superficial photo-patterned glassy materials, light-driven reshaping of tridimensional superficial azo-textures and contractions of stimuli-responsive liquid crystalline networks (LCNs). Further, promising applications of azo systems are investigated as smart biointerfaces able to mimic time-varying biological systems.
引用
收藏
页码：599 / 629
页数：31
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