Nonlinear optical properties and memory effects of the azo polymers carrying different substituents
作者： Najun Li , Jianmei Lu , Hua Li , En-Tang Kang
DOI: 10.1016/J.DYEPIG.2010.04.010
关键词: Polymer chemistry 、 Substituent 、 Materials science 、 Nonlinear absorption 、 Azobenzene 、 Chromophore 、 Polymer 、 Memory behavior 、 Nonlinear optical
摘要: The third-order nonlinear optical properties and electric memory behavior of azobenzene polymers were influenced by different substituents. coefficients polymer films measured using the Z-scan technique revealed that with substituents exhibited absorption. reversibility sandwich devices based on was dependant terminal substituent chromophore. Polymers electron-accepting moieties in pendant showed write-once-read-many-times whereas contained electron-donating displayed a FLASH-type (rewritable) memory.
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