Nanostructured BaTiO3/Cu2O heterojunction with improved photoelectrochemical activity for H2 evolution: Experimental and first-principles analysis
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- 作者：Dipika Sharmaa ; Sumant Upadhyaya ; Vibha R. Satsangib ; vibhasatsangi@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Rohit Shrivastava ; Umesh V. Waghmarec ; waghmare@jncasr.ac.in" class="auth_mail" title="E-mail the corresponding author ; Sahab Dassa ; drsahabdas@gmail.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：Heterojunction ; Spray pyrolysis ; Sol-gel ; Photoelectrochemical ; Effective mass ; band offset
- 刊名：Applied Catalysis B: Environmental
- 出版年：2016
- 出版时间：15 July 2016
- 年：2016
- 卷：189
- 期：Complete
- 页码：75-85
- 全文大小：3793 K
文摘
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Heterojunction thin films were prepared using two different deposition techniques.
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Variation of Cu2O film thickness played a significant role in PEC response.
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DFT based band-offsets & effective mass calculations were performed.
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Highest photocurrent of 1.44 mA/cm2 observed for BaTiO3/Cu2O with 442 nm thickness.