Tungsten oxide bilayer electrodes for photoelectrochemical cells

Title
Tungsten oxide bilayer electrodes for photoelectrochemical cells
Author(s)
유성종[유성종]윤성욱[윤성욱]성영은[성영은]안광순
Keywords
TIO2 FILMS; THIN-FILMS; WATER; SIZE; PHOTOCATALYSIS; ENHANCEMENT; ARRAYS
Issue Date
201008
Publisher
ELSEVIER SCIENCE BV
Citation
JOURNAL OF POWER SOURCES, v.195, no.16, pp.5422 - 5425
Abstract
WO(3) bilayer electrodes composed of WO(3) top and bottom layers are designed for photoelectrochemical cells (PECs). The bottom layers are sputter-deposited at a high temperature (773 K) that leads to large grains and suitable electrical pathways for carrier collection. The top layer is deposited at a low temperature (573 K) and consists of small grains, which give rise to large electrochemical reaction sites. The bilayer electrodes give a significant enhancement in PEC performance compared with WO(3) monolayer electrodes deposited at 573 or 773 K. because of a combination of favourable effects. (C) 2010 Elsevier B.V. All rights reserved.
URI
http://hdl.handle.net/YU.REPOSITORY/23833http://dx.doi.org/10.1016/j.jpowsour.2010.03.033
ISSN
0378-7753
Appears in Collections:
공과대학 > 화학공학부 > Articles
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