Friday, June 25, 2010

ISI Web of Knowledge Alert - Ghosh, S

ISI Web of Knowledge Citation Alert

Cited Article: Ghosh, S. Carbon nanotube flow sensors
Alert Expires: 09 NOV 2010
Number of Citing Articles: 2 new records this week (2 in this e-mail)
Organization ID: 3b97d1bbc1878baed0ab183d8b03130b
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Title:
Direct transition of potential of water droplets to electric energy using aligned single-walled carbon nanotubes

Authors:
Liu, J; Zheng, KH; Liu, Z; Hu, LJ; Sun, LF

Author Full Names:
Liu Ji; Zheng Kai-Hong; Liu Zheng; Hu Li-Jun; Sun Lian-Feng

Source:
CHINESE PHYSICS B 19 (6): Art. No. 066101 JUN 2010

Language:
English

Document Type:
Article

Author Keywords:
single-walled carbon nanotube; water; energy conversion

KeyWords Plus:
FLOW

Abstract:
In this paper, we report that an electromotive force (EMF) can be induced in a rope of aligned single-walled carbon nanotubes (SWNTs) when water droplets fall on this rope. The magnitude of this EMF depends sensitively on the slant angle of the SWNTs. Most interestingly, both the magnitude and the direction of the induced EFM can be modulated by applying a current to the SWNTs. The concepts of electrical slip and no-slip are proposed and can be quantitatively described by "electrical slip resistance". This kind of generator does not need any magnet, rotor, etc and shows quite a different operating mechanism and design compared with a conventional large scale hydroelectric power generator.

Reprint Address:
Sun, LF, Natl Ctr Nanosci & Technol, Beijing 100190, Peoples R China.

Research Institution addresses:
[Liu Ji; Zheng Kai-Hong; Liu Zheng; Hu Li-Jun; Sun Lian-Feng] Natl Ctr Nanosci & Technol, Beijing 100190, Peoples R China; [Liu Ji; Liu Zheng; Hu Li-Jun] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

E-mail Address:
slf@nanoctr.cn

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Cited Reference Count:
26

Times Cited:
0

Publisher:
IOP PUBLISHING LTD; DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND

Subject Category:
Physics, Multidisciplinary

ISSN:
1674-1056

DOI:
10.1088/1674-1056/19/6/066101

IDS Number:
608VG

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Title:
Raman spectroelectrochemistry of a single-wall carbon nanotube bundle

Authors:
Zhang, L; Liao, V; Yu, ZH

Author Full Names:
Zhang, Li; Liao, Virginia; Yu, Zhonghua

Source:
CARBON 48 (9): 2582-2589 AUG 2010

Language:
English

Document Type:
Article

KeyWords Plus:
CHEMICAL-VAPOR-DEPOSITION; FIELD-EFFECT TRANSISTORS; ELECTRONIC-STRUCTURE; CHARGE-TRANSFER; SPECTROSCOPY; RENORMALIZATION; SCATTERING; DIAMETER; SENSORS; GROWTH

Abstract:
Raman microscopy and spectroelectrochemistry with polymer electrolyte gating is developed to study the effect of charging on Raman spectra of individual single-wall carbon nanotubes (SWCNTs) and bundles. The Raman spectra of a small bundle, consisting of well-separated features from a metallic and a semiconducting SWCNT, have been obtained at different electrochemical charging levels. The broad Fano peak of the metallic SWCNT exhibits an appreciable frequency upshift and simultaneous line narrowing when the charging level, either positive or negative, is increased, in agreement with the presence of a Kohn anomaly in metallic SWCNTs. The radial breathing mode of the metallic tube also shows a similar but much weaker dependence on the charging potential. While the G mode frequencies of the semiconducting SWCNT also increase with the increasing charging level, the magnitude of such change is much smaller than in the metallic SWCNT. At high negative charging potentials the G(-) !
peak of the semiconducting SWCNT exhibits a larger upshift than its G(+) peak, leading to the observation of merging of these two peaks. However, both G(+) and G(-) peaks of the semiconducting SWCNT become broader at high charging levels, which are not predicted from previous theoretical studies. (C) 2010 Elsevier Ltd. All rights reserved.

Reprint Address:
Yu, ZH, CUNY City Coll, Dept Chem, New York, NY 10031 USA.

Research Institution addresses:
[Zhang, Li; Liao, Virginia; Yu, Zhonghua] CUNY City Coll, Dept Chem, New York, NY 10031 USA

E-mail Address:
zyu@sci.ccny.cuny.edu

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Cited Reference Count:
58

Times Cited:
0

Publisher:
PERGAMON-ELSEVIER SCIENCE LTD; THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND

Subject Category:
Chemistry, Physical; Materials Science, Multidisciplinary

ISSN:
0008-6223

DOI:
10.1016/j.carbon.2010.03.061

IDS Number:
608LK

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