Electrochemical electrodes of graphene-based carbon nanotubes grown by chemical vapor deposition

被引：42
|
作者：
Choi, Hyonkwang [1 ]
Kim, Hyunkook [1 ]
Hwang, Sookhyun [1 ]
Kang, Myunghoon [1 ]
Jung, Dae-Won [2 ]
Jeon, Minhyon [1 ]
机构：
[1] Inje Univ, Ctr Nano Mfg, Dept Nano Syst Engn, Gimhae 621749, Gyungnam, South Korea
[2] Pohang Univ Sci & Technol, Natl Ctr Nanomat Technol, Pohang 790784, Gyeongbuk, South Korea
来源：
SCRIPTA MATERIALIA | 2011年 / 64卷 / 07期
关键词：
Dye-sensitized solar cells; Counter electrode; Graphene; Carbon nanotubes; Chemical vapor deposition (CVD); COUNTER ELECTRODES; ENERGY-CONVERSION; FILMS; PERFORMANCE;
D O I：
10.1016/j.scriptamat.2010.11.029
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We investigated graphene-based multi-walled carbon nanotube (GMWNT) electrodes grown by chemical vapor deposition. Graphene was grown on a SiO2/Si substrate and then carbon nanotubes were grown on top of the graphene. The electrochemical behavior of the GMWNTs and dye-sensitized solar cell (DSSC) performance were examined by electrochemical impedance spectroscopy and by analyzing the I-V characteristics, respectively. Our results suggest that GMWNTs could be promising candidates for electrochemical electrodes to achieve high performance in DSSCs. (C) 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：601 / 604
页数：4
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