کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10249178 | 49457 | 2005 | 11 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Photoelectrochemical characterization of CIGS thin films for hydrogen production
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
کاتالیزور
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
A photoelectrochemical study of Cu(In,Ga)Se2 (CIGS) thin films in 0.5Â M H2SO4 is presented in this work. CIGS thin films were obtained by electrodeposition of CuInSe2 (CIS) and the composition was adjusted by physical vapor deposition (PVD) to obtain CuIn1âxGaxSe2. Photo-electrodes were prepared using CIGS thin films. These electrodes exhibited cathodic photoresponse associated with the hydrogen evolution occurring at 0.3Â V more positive potential than the potential observed for the hydrogen evolution in the dark. The production of hydrogen by CIGS films at different potentials was estimated by coulometric measurements, showing that under illumination the quantity of hydrogen produced was two orders of magnitude higher than the hydrogen produced in the dark.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Solar Energy Materials and Solar Cells - Volume 88, Issue 2, 15 July 2005, Pages 145-155
Journal: Solar Energy Materials and Solar Cells - Volume 88, Issue 2, 15 July 2005, Pages 145-155
نویسندگان
R.C. Valderrama, P.J. Sebastian, J. Pantoja Enriquez, S.A. Gamboa,