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One-step preparation of optically transparent Ni-Fe oxide film electrocatalyst for oxygen evolution reaction
Zhang, Doudou1,2,3; Meng, Lijian4,5; Shi, Jingying1; Wang, Nan1,6; Liu, Shengzhong1,2,3; Li, Can1
KeywordOptically Transparent Thin Film Electrocatalyst Ni-fe Oxide Oxygen Evolution Reaction
Source PublicationELECTROCHIMICA ACTA
2015-07-01
DOI10.1016/j.electacta.2015.04.101
Volume169Pages:402-408
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectElectrochemistry
WOS Research AreaElectrochemistry
WOS KeywordSOLAR HYDROGEN-PRODUCTION ; WATER OXIDATION ; NICKEL-OXIDE ; PHOTOELECTROCHEMICAL CELLS ; ELECTROCHEMICAL-BEHAVIOR ; ALKALINE ELECTROLYTES ; ENERGY CONVERSION ; PHOTOANODES ; ELECTRODES ; SPECTROSCOPY
AbstractOptically transparent cocatalyst film materials is very desirable for improved photoelectrochemical (PEC) oxygen evolution reaction (OER) over light harvesting photoelectrodes which require the exciting light to irradiate through the cocatalyst side, i.e., front-side illumination. In view of the reaction overpotential at electrode/electrolyte interface, the OER electrocatalysts have been extensively used as cocatalysts for PEC water oxidation on photoanode. In this work, the feasibility of a one-step fabrication of the transparent thin film catalyst for efficient electrochemical OER is investigated. The Ni-Fe bimetal oxide films, similar to 200 nm in thickness, are used for study. Using a reactive magnetron co-sputtering technique, transparent (> 50% in wavelength range 500-2000 nm) Ni-Fe oxide films with high electrocatalytic activities were successfully prepared at room temperature. Upon optimization, the as-prepared bimetal oxide film with atomic ratio of Fe/Ni = 3: 7 demonstrates the lowest overpotential for the OER in aqueous KOH solution, as low as 329 mV at current density of 2 mA cm(-2), which is 135 and 108 mV lower than that of as-sputtered FeOx and NiOx thin films, respectively. It appears that this fabrication strategy is very promising to deposit optically transparent cocatalyst films on photoabsorbers for efficient PEC water splitting. (C) 2015 Elsevier Ltd. All rights reserved.
Language英语
WOS IDWOS:000355007400049
Citation statistics
Cited Times:19[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/146286
Collection中国科学院大连化学物理研究所
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Chinese Minist Educ, Key Lab Appl Surface & Colloid Chem, Beijing, Peoples R China
3.Shaanxi Normal Univ, Sch Mat Sci & Engn, Xian 710062, Peoples R China
4.Inst Politecn Porto, Dept Fis, Inst Super Engn Porto, P-4200072 Oporto, Portugal
5.Univ Minho, Ctr Fis, P-4800058 Guimaraes, Portugal
6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Doudou,Meng, Lijian,Shi, Jingying,et al. One-step preparation of optically transparent Ni-Fe oxide film electrocatalyst for oxygen evolution reaction[J]. ELECTROCHIMICA ACTA,2015,169:402-408.
APA Zhang, Doudou,Meng, Lijian,Shi, Jingying,Wang, Nan,Liu, Shengzhong,&Li, Can.(2015).One-step preparation of optically transparent Ni-Fe oxide film electrocatalyst for oxygen evolution reaction.ELECTROCHIMICA ACTA,169,402-408.
MLA Zhang, Doudou,et al."One-step preparation of optically transparent Ni-Fe oxide film electrocatalyst for oxygen evolution reaction".ELECTROCHIMICA ACTA 169(2015):402-408.
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