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Issue 2, 2017
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Photochromic benzo[b]phosphole oxide with excellent thermal irreversibility and fatigue resistance in the thin film solid state via direct attachment of dithienyl units to the weakly aromatic heterocycle

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Abstract

A novel photochromic benzo[b]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 via 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.

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

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Publication details

The article was received on 04 Jul 2016, accepted on 30 Sep 2016 and first published on 18 Oct 2016


Article type: Edge Article
DOI: 10.1039/C6SC02928K
Citation: Chem. Sci., 2017,8, 1309-1315
  • Open access: Creative Commons BY-NC license
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    Photochromic benzo[b]phosphole oxide with excellent thermal irreversibility and fatigue resistance in the thin film solid state via direct attachment of dithienyl units to the weakly aromatic heterocycle

    N. M. Wu, H. Wong and V. W. Yam, Chem. Sci., 2017, 8, 1309
    DOI: 10.1039/C6SC02928K

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