ALD-coated ultrathin Al2O3 film on BiVO4 nanoparticles for efficient PEC water splitting
Chang, GL; Wang, DG; Zhang, YY; Aldalbahi, A; Wang, LH; Li, Q; Wang, K; Wang, K (reprint author), Chinese Acad Sci, CAS Key Lab Interfacial Phys & Technol, Shanghai Synchrotron Radiat Facil, Shanghai Inst Appl Phys,Div Phys Biol, Shanghai 201800, Peoples R China.; Wang, K (reprint author), Chinese Acad Sci, CAS Key Lab Interfacial Phys & Technol, Shanghai Synchrotron Radiat Facil, Shanghai Inst Appl Phys,Bioimaging Ctr, Shanghai 201800, Peoples R China.
2016
发表期刊NUCLEAR SCIENCE AND TECHNIQUES
ISSN1001-8042
卷号27期号:5页码:-
文章类型期刊论文
摘要Bismuth vanadate (BiVO4) is a promising semiconductor material for solar energy conversion via photoelectrochemical (PEC) water splitting, whereas its performance is limited by surface recombination due to trapping states. Herein, we developed a new method to passivate the trapping states on BiVO4 surface using ultrathin aluminum oxide (Al2O3) overlayer by atomic layer deposition. The coated ultrathin Al2O3 film on BiVO4 significantly enhanced photocurrent densities of the BiVO4 anodes under standard illumination of AM 1.5 G (100 mW/cm(2)). The electrochemical impedances and photoluminescence spectra were studied to confirm that the improved PEC water splitting performance of BiVO4 was due to the decreased surface recombination state on BiVO4, which effectively enhanced the charge separation.
关键词Ultrathin Al2o3 Overlayer Photoelectrochemical Water Splitting Surface State Atomic Layer Deposition
DOI10.1007/s41365-016-0122-6
收录类别SCI
语种英语
WOS记录号WOS:000388510700005
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/26423
专题中科院上海应用物理研究所2011-2018年
通讯作者Wang, K (reprint author), Chinese Acad Sci, CAS Key Lab Interfacial Phys & Technol, Shanghai Synchrotron Radiat Facil, Shanghai Inst Appl Phys,Div Phys Biol, Shanghai 201800, Peoples R China.; Wang, K (reprint author), Chinese Acad Sci, CAS Key Lab Interfacial Phys & Technol, Shanghai Synchrotron Radiat Facil, Shanghai Inst Appl Phys,Bioimaging Ctr, Shanghai 201800, Peoples R China.
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Chang, GL,Wang, DG,Zhang, YY,et al. ALD-coated ultrathin Al2O3 film on BiVO4 nanoparticles for efficient PEC water splitting[J]. NUCLEAR SCIENCE AND TECHNIQUES,2016,27(5):-.
APA Chang, GL.,Wang, DG.,Zhang, YY.,Aldalbahi, A.,Wang, LH.,...&Wang, K .(2016).ALD-coated ultrathin Al2O3 film on BiVO4 nanoparticles for efficient PEC water splitting.NUCLEAR SCIENCE AND TECHNIQUES,27(5),-.
MLA Chang, GL,et al."ALD-coated ultrathin Al2O3 film on BiVO4 nanoparticles for efficient PEC water splitting".NUCLEAR SCIENCE AND TECHNIQUES 27.5(2016):-.
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