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

Leora Cooper | Zendy; Hiroki Amano | Zendy; Masayuki Hiraide | Zendy; Satoshi Houkyou | Zendy; In Young Jang | Zendy; Yong Jung Kim | Zendy; Hiroyuki Muramatsu | Zendy; Jin Hee Kim | Zendy; Takuya Hayashi | Zendy; Yoong Ahm Kim | Zendy; Morinobu Endo | Zendy; M. S. Dresselhaus | Zendy

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

Author(s) -

Leora Cooper,

Hiroki Amano,

Masayuki Hiraide,

Satoshi Houkyou,

In Young Jang,

Yong Jung Kim,

Hiroyuki Muramatsu,

Jin Hee Kim,

Takuya Hayashi,

Yoong Ahm Kim,

Morinobu Endo,

M. S. Dresselhaus

Publication year - 2009

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.3271768

Subject(s) - supercapacitor , carbon nanotube , materials science , thin film , electrode , nanotechnology , capacitance , carbon fibers , conductivity , chemical engineering , composite material , chemistry , composite number , engineering

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.

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