Baking impact on photoelectrochemical cells performance of electrodeposited CdSe films

Title
Baking impact on photoelectrochemical cells performance of electrodeposited CdSe films
Authors
샤이크마네주오심파워이중기한성환
Keywords
Thin films; Chemical synthesis; X-ray diffraction
Issue Date
2011-10
Publisher
The Journal of physics and chemistry of solids
Citation
VOL 72, NO 10, 1122-1127
Abstract
Cadmium selenide (CdSe) nanocrystalline thin films in the form of upright nanocones, perpendicular to substrate surface, are grown electrochemically onto a conducting and transparent indium–tin-oxide substrate at room temperature and impact of baking under oxygen flow on their structure, morphology, optical absorbance and dark-light photoelectrochemical cell performance is explored. Crystallinity improvement followed by enhancement in the surface roughness 11–19 nm and reduction in water contact angle from 60° to 22° (±0.2)° due to baking impact showed increase in crystallite size from 25 to 100 Å. Increase in current density from 0.07 to 5.61 mA/㎠ after baking under oxygen flow has promoted the conversion efficiency to 0.5% from 0.007%.
URI
http://pubs.kist.re.kr/handle/201004/40166
ISSN
0022-3697
Appears in Collections:
KIST Publication > Article
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