Photorefractive properties of composites based on polyvinyl alcohol, single-wall carbon nanotubes, and fullerene

被引：3

作者：

Grishina, A. D. ^{[1
]}

Krivenko, T. V. ^{[1
]}

Savel'ev, V. V. ^{[1
]}

Vannikov, A. V. ^{[1
]}

机构：

[1] Russian Acad Sci, Frumkin Inst Phys Chem & Electrochem, Leninskii Pr 31, Moscow 119071, Russia

来源：

PROTECTION OF METALS AND PHYSICAL CHEMISTRY OF SURFACES | 2016年 / 52卷 / 05期

基金：

俄罗斯基础研究基金会;

关键词：

Photoreactivity - Yarn - Single-walled carbon nanotubes (SWCN) - Fullerenes - Light absorption;

D O I：

10.1134/S2070205116050099

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Composites with photoelectrical, nonlinear optical, and photorefractive properties have been prepared. The composites consist of polyvinyl alcohol, single-wall carbon nanotubes, and fullerene C-60. Addition of C-60 with a long wavelength boundary near 630 nm resulted in an eight- to tenfold increase in both the quantum efficiency of generation of mobile hole charges and the photorefractive two beam gain coefficient measured at wavelengths exceeding 1000 nm (over an area of optical absorption of nanotubes). This is attributed to electron trapping by acceptor fullerene, which limits the regeneration of photogenerated charges and provides an increase in mobile hole charges.

引用

收藏

页码：797 / 801

页数：5

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