Baking impact on photoelectrochemical cells performance of electrodeposited CdSe films
- Baking impact on photoelectrochemical cells performance of electrodeposited CdSe films
- 샤이크; 마네; 주오심; 파워; 이중기; 한성환
- Thin films; Chemical synthesis; X-ray diffraction
- Issue Date
- The Journal of physics and chemistry of solids
- VOL 72, NO 10, 1122-1127
- 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%.
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