Freestanding, bendable thin film for supercapacitors using DNA-dispersed double walled carbon nanotubes

被引：23

作者：

Cooper, Leora ^{[1
]}

Amano, Hiroki ^{[2
]}

Hiraide, Masayuki ^{[2
]}

Houkyou, Satoshi ^{[2
]}

Jang, In Young ^{[2
]}

Kim, Yong Jung ^{[3
]}

Muramatsu, Hiroyuki ^{[3
]}

Kim, Jin Hee ^{[2
]}

Hayashi, Takuya ^{[2
]}

Kim, Yoong Ahm ^{[2
]}

Endo, Morinobu ^{[2
,3
]}

Dresselhaus, Mildred S. ^{[4
]}

机构：

[1] Univ Penn, Dept Chem & Biomol Engn, Philadelphia, PA 19104 USA

[2] Shinshu Univ, Fac Engn, Nagano 3808553, Japan

[3] Shinshu Univ, Inst Carbon Sci & Technol, Nagano 3808553, Japan

[4] MIT, Cambridge, MA 02139 USA

来源：

APPLIED PHYSICS LETTERS | 2009年 / 95卷 / 23期

基金：

美国国家科学基金会;

关键词：

ELECTRODES;

D O I：

10.1063/1.3271768

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Freestanding, thin, and bendable electrodes for supercapacitors are fabricated by filtering DNA-dispersed double walled carbon nanotubes (DWNTs) into a thin film and thermally treating the film in argon. We found that DNA has the ability to disperse the strongly bundled DWNTs and is converted to phosphorus-enriched carbons, which give rise to strong redox peaks at around 0.4 V. The combination of the large capacitance from the DNA-derived carbons and the high electrical conductivity of carbon nanotubes allow DWNT/DNA films to be used as a potential electrode material for supercapacitors. (C) 2009 American Institute of Physics. [doi:10.1063/1.3271768]

引用

页数：3

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