期刊
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
卷 12, 期 46, 页码 15282-15290出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c0cp00586j
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资金
- Rosstech Inc.
- Ontario Centres of Excellence
- Natural Sciences and Engineering Research Council
- Canada Foundation for Innovation
- Ontario Innovation Trust
- Premier's Research Excellence Award
- WORLDiscoveriesTrade Mark at Western
Herein we report the one-pot electrodeposition of copper indium gallium diselenide, CuIn1-xGaxSe2 (CIGS), thin films as the p-type semiconductor in an ionic liquid medium consisting of choline chloride/urea eutectic mixture known as Reline. The thin films were characterized by scanning electron microscopy with energy dispersive X-ray analysis, transmission electron microscopy, X-ray photoelectron spectroscopy, Raman microspectroscopy, and UV-visible spectroscopy. Based on the results of the characterizations, the electrochemical bath recipe was optimized to obtain stoichiometric CIGS films with x between 0.2 and 0.4. The chemical activity and photoreactivity of the optimized CIGS films were found to be uniform using scanning electrochemical microscopy and scanning photoelectrochemical microscopy. Low-cost stoichiometric CIGS thin films in one-pot were successfully fabricated.
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