Effects of Polythiophene as a Photosensitizer on Dynamic and Steady-State Photorefractive Performance in Polymeric Composites

被引：11

作者：

Oh, Jin-Woo ^{[1
]}

Choi, Jongwan ^{[1
]}

Luong, Bich Thi ^{[1
]}

Kim, Nakjoong ^{[1
]}

机构：

[1] Hanyang Univ, Dept Chem, Seoul 133791, South Korea

来源：

MACROMOLECULAR RESEARCH | 2010年 / 18卷 / 01期

关键词：

poly(3-hexylthiophene); fullerene; space charge field; refractive index modulation; PR grating buildup speed; GLASS-TRANSITION-TEMPERATURE; PHOTO-CHARGE GENERATION; EFFICIENCY; POLY(3-HEXYLTHIOPHENE); CHROMOPHORE; GRATINGS; FIELD; GAIN;

D O I：

10.1007/s13233-009-0022-2

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

This study examined the effects of poly(3-hexylthiophene) (P3HT) as a photosensitizer on the dynamic and steady-state photorefractive (PR) performance of polymeric composites. The performance was measured in terms of the magnitude and buildup speed of the PR grating. Absorption quenching was observed in a PR composite that was doped with P3HT/fullerene (C-60). This absorption quenching was attributed to disordering of the P3HT chains, and charge transfer between P3HT and C-60. The magnitude and buildup speed of the PR grating were strongly dependent on space charge formation, which was affected by visible light absorption and the hole mobility.

引用

页码：8 / 13

页数：6

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