Electronically Monodisperse Single-Walled Carbon Nanotube Thin Films as Transparent Conducting Anodes in Organic Photovoltaic Devices

被引：65
作者：
Tyler, Timothy P. [1 ,2 ]
Brock, Ryan E. [1 ,2 ]
Karmel, Hunter J. [1 ,2 ]
Marks, Tobin J. [1 ,2 ]
Hersam, Mark C. [1 ,2 ]
机构：
[1] Northwestern Univ, Dept Mat Sci & Engn, Dept Chem, Dept Med, Evanston, IL 60208 USA
[2] Northwestern Univ, Argonne NW Solar Energy Res ANSER Ctr, Evanston, IL 60208 USA
来源：
ADVANCED ENERGY MATERIALS | 2011年 / 1卷 / 05期
基金：
美国国家科学基金会;
关键词：
INDIUM-TIN-OXIDE; SOLAR-CELLS; NETWORK; FUNCTIONALIZATION; ELECTRODE;
D O I：
10.1002/aenm.201100274
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：
Single-walled carbon nanotubes (SWNTs) sorted by electronic type are employed as organic photovoltaic device anodes. Metal-enriched SWNT films yield device efficiencies that are fifty times greater than their semiconducting counterparts. Through sheet resistance, UV-vis-NIR optical absorbance, and X-ray photoelectron spectroscopy measurements, the OPV charge blocking layer PEDOT:PSS is found to reverse the original chemical doping of the SWNT films. The relative insensitivity of metallic SWNTs to chemical doping thus explains the improved performance of metal-enriched SWNT films as OPV anodes.
引用
收藏
页码：785 / 791
页数：7
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