Detailed Investigation of Light Induced Charge Injection into a Single Conjugated Polymer Chain

被引：15

作者：

Bolinger, Josh ^{[1
]}

Lee, Kwang-Jik ^{[1
]}

Palacios, Rodrigo E. ^{[1
]}

Barbara, Paul F. ^{[1
]}

机构：

[1] Univ Texas Austin, Ctr Nano & Mol Sci & Technol, Austin, TX 78712 USA

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2008年 / 112卷 / 47期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1021/jp804901s

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Detailed single molecule spectroscopic results are presented for the recently reported oxidation of single-chain conjugated polymers of MEH-PPV at the HTL/insulator interface of an MIS device. The charge injection process was determined to be light dominated with no charging occurring in the dark at any applied bias. The nature of the optical preparation of the injected charge is explored by a range of single molecule fluorescence voltage modulation techniques. The observed charging dynamics are highly consistent with a cooperative charging effect. It is also observed that analogous charging occurs for the conjugated polymer F8BT.

引用

页码：18608 / 18615

页数：8

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