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在薄膜固态中具有优异热不可逆性和抗疲劳性的光致变色苯并[]磷氧化物——二噻吩基单元直接连接到弱芳香杂环上。

Photochromic benzo[]phosphole oxide with excellent thermal irreversibility and fatigue resistance in the thin film solid state direct attachment of dithienyl units to the weakly aromatic heterocycle.

作者信息

Wu Nathan Man-Wai, Wong Hok-Lai, Yam Vivian Wing-Wah

机构信息

Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee (Hong Kong)) , Department of Chemistry , The University of Hong Kong , Pokfulam , Hong Kong , China . Email:

出版信息

Chem Sci. 2017 Feb 1;8(2):1309-1315. doi: 10.1039/c6sc02928k. Epub 2016 Oct 18.

DOI:10.1039/c6sc02928k
PMID:28616140
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5460600/
Abstract

A novel photochromic benzo[]phosphole oxide has been demonstrated to display photochromic properties with excellent fatigue resistance and thermal irreversibility in polymethylmethacrylate (PMMA) thin film under ambient conditions. The remarkable photochromic behaviour can be achieved by rational molecular design, in which the weakly aromatic phosphole oxide is directly incorporated into the photo-responsive dithienylethene units. Photopatterning photoinduced colouration and decolouration has been performed to demonstrate the repeatable and distinct transformation between the bistable states, making it a promising candidate with photoswitching properties for optoelectronic applications.

摘要

一种新型的光致变色苯并[]磷氧化物已被证明在环境条件下于聚甲基丙烯酸甲酯（PMMA）薄膜中具有优异的抗疲劳性和热不可逆性的光致变色特性。通过合理的分子设计可以实现显著的光致变色行为，其中弱芳香性的磷氧化物直接并入光响应二噻吩乙烯单元中。已经进行了光图案化、光致变色和褪色操作，以证明双稳态之间可重复且明显的转变，使其成为具有光开关特性的光电应用的有前途的候选材料。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d9e9/5460600/b3aeeabd03ec/c6sc02928k-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d9e9/5460600/650f7c3c5c13/c6sc02928k-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d9e9/5460600/758e7685b48a/c6sc02928k-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d9e9/5460600/44d46bd70ce6/c6sc02928k-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d9e9/5460600/80700ffcd104/c6sc02928k-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d9e9/5460600/bdc1f1e48fc8/c6sc02928k-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d9e9/5460600/b3aeeabd03ec/c6sc02928k-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d9e9/5460600/650f7c3c5c13/c6sc02928k-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d9e9/5460600/758e7685b48a/c6sc02928k-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d9e9/5460600/44d46bd70ce6/c6sc02928k-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d9e9/5460600/80700ffcd104/c6sc02928k-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d9e9/5460600/bdc1f1e48fc8/c6sc02928k-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d9e9/5460600/b3aeeabd03ec/c6sc02928k-f6.jpg

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