Towards optically responsive smart materials: electronic interactions between polymeric semiconductor and photochromic molecule

被引：2

作者：

Vala, Martin ^{[1
]}

Weiter, Martin ^{[1
]}

机构：

[1] Brno Univ Technol, Fac Chem, Mat Res Ctr, Purkynova 464-118, Brno 61200, Czech Republic

来源：

CHEMICAL PAPERS | 2018年 / 72卷 / 07期

关键词：

PPV; MDMO-PPV; Spiropyran; Resonance energy transfer; Fluorescence quenching; Photoinduced electron transfer; Molecular switch; Organic electronics; CHARGE-CARRIER MOBILITY; CONJUGATED POLYMER; ENERGY-TRANSFER; SOLAR-CELLS; TRANSPORT;

D O I：

10.1007/s11696-018-0399-5

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Electronic interactions between pi-conjugated poly[2-methoxy-5-(3',7'-dimethyloctyloxy)-1,4-phenylenevinylene] (MDMO-PPV) and photochromic 6-nitro-1',3',3'-trimethylspiro[2H-1-benzopyran-2,2'-indoline] (SP) were studied using the optical spectroscopy. The observed fluorescence quenching of MDMO-PPV by the open merocyanine form of the SP was explained as a photoinduced charge transfer. This opens the possibility to reversibly switch between low and high photoconductive states which can be used for the construction of electro-optical bi-stable devices or sensors.

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收藏

页码：1761 / 1767

页数：7

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