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Jang, Ji-Wook
JW Energy Lab
Research Interests
  • Materials Science, Energy

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Self-assembled foam-like graphene networks formed through nucleate boiling

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Title
Self-assembled foam-like graphene networks formed through nucleate boiling
Other Titles
Self-assembled foam-like graphene networks formed through nucleate boiling
Author
Ahn, Ho SeonJang, Ji-WookSeol, MinsuKim, Ji MinYun, Dong-JinPark, ChibeomKim, HyungdaeYoun, Duck HyunKim, Jae YoungPark, GunyeopPark, Su CheongKim, Jin ManYu, Dong InYong, KijungKim, Moo HwanLee, Jae Sung
Keywords
SENSITIZED SOLAR-CELLS; CARBON-FILMS; OXIDE; SUPERCAPACITORS; CONDUCTIVITY; COALESCENCE; DEPOSITION; DEVICES; SURFACE; SHEETS
Issue Date
2013-03
Publisher
NATURE PUBLISHING GROUP
Citation
SCIENTIFIC REPORTS, v.3, no., pp.1396 -
Abstract
Self-assembled foam-like graphene (SFG) structures were formed using a simple nucleate boiling method, which is governed by the dynamics of bubble generation and departure in the graphene colloid solution. The conductivity and sheet resistance of the calcined (400 degrees C) SFG film were 11.8 S.cm(-1) and 91.2 Omega square(-1), respectively, and were comparable to those of graphene obtained by chemical vapor deposition (CVD) (similar to 10 S.cm(-1))(.) The SFG structures can be directly formed on any substrate, including transparent conductive oxide (TCO) glasses, metals, bare glasses, and flexible polymers. As a potential application, SFG formed on fluorine-doped tin oxide (FTO) exhibited a slightly better overall efficiency (3.6%) than a conventional gold electrode (3.4%) as a cathode of quantum dot sensitized solar cells (QDSSCs)
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DOI
10.1038/srep01396
ISSN
2045-2322
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ECHE_Journal Papers
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