Fullerene (C60) decoration in oxygen plasma treated multiwalled carbon nanotubes for photovoltaic application

被引：33

作者：

Kalita, Golap ^{[1
]}

Adhikari, Sudip ^{[1
]}

Aryal, Hare Ram ^{[1
]}

Umeno, Masayoshi ^{[1
]}

Afre, Rakesh ^{[2
]}

Soga, Tetsuo ^{[2
]}

Sharon, Maheshwar ^{[3
]}

机构：

[1] Chubu Univ, Dept Elect & Elect Engn, Matsumoto, Nagano 4878501, Japan

[2] Nagoya Inst Technol, Dept Environm Technol & Urban Planning, Nagoya, Aichi 4668555, Japan

[3] Birla Coll, Nanotechnol Res Ctr, Kalyan 421304, India

来源：

APPLIED PHYSICS LETTERS | 2008年 / 92卷 / 06期

关键词：

POLYMER; MORPHOLOGY;

D O I：

10.1063/1.2844881

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Multiwalled carbon nanotubes (MWNTs) were functionalized by oxygen plasma treatment. Photoelectron spectroscopy study of oxygen plasma treated MWNTs (O-MWNTs) shows surface modification with hydroxyl and carboxyl groups. C-60 decoration of MWNTs were carried out by thermal evaporation and more dense distribution of C-60 was achieved on O-MWNTs. C-60 decorated MWNTs were combined with poly(3-octylthiophene) for photovoltaic device fabrication. The device with C-60 decorated O-MWNTs shows short circuit current density (J(sc)), open circuit voltage (V-oc), fill factor, and power conversion efficiency (eta) as 1.68 mA/cm(2), 0.245 V, 27%, and 0.11%, respectively. It is expected that C-60 provide large surface area for photoexcitons dissociation and efficient electron transportation, whereas MWNTs provide efficient hole transportation. (C) American Institute of Physics.

引用

页数：3

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