One-step preparation of the BiVO4 film photoelectrode

被引：30

作者：

Mascaro, Lucia H. ^{[1
,2
]}

Pockett, Adam ^{[1
]}

Mitchels, John M. ^{[1
]}

Peter, Laurence M. ^{[1
]}

Cameron, Petra J. ^{[1
]}

Celorrio, Veronica ^{[3
]}

Fermin, David J. ^{[3
]}

Sagu, Jagdeep S. ^{[4
]}

Wijayantha, K. G. Upul ^{[4
]}

Kociok-Koehn, Gabriele ^{[1
]}

Marken, Frank ^{[1
]}

机构：

[1] Univ Bath, Dept Chem, Bath BA2 7AY, Avon, England

[2] San Carlos Fed Univ, Dept Chem, BR-13565905 Sao Carlos, SP, Brazil

[3] Univ Bristol, Sch Chem, Bristol BS8 1TS, Avon, England

[4] Univ Loughborough, Dept Chem, Loughborough LE11 3TU, Leics, England

来源：

JOURNAL OF SOLID STATE ELECTROCHEMISTRY | 2015年 / 19卷 / 01期

基金：

英国工程与自然科学研究理事会;

关键词：

Water splitting; Photoanode; Oxygen evolution; Solar energy; Vanadium oxide; Nanostructure; VISIBLE-LIGHT-DRIVEN; WATER OXIDATION; THIN-FILM; PHOTOCATALYTIC ACTIVITY; BISMUTH VANADATE; PHOTOANODES; ELECTRODES; SEMICONDUCTOR; DEGRADATION; IRRADIATION;

D O I：

10.1007/s10008-014-2495-y

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

A one-step method of preparing photoelectrochemically active nanostructured BiVO4 films is reported based on thermolysis (500 A degrees C in air) of a polyethylene glycol (PEG300) "paint-on" precursor solution containing Bi3+ (as nitrate) and VO4 (3-) (as the metavanadate ammonium salt). Films are formed directly on tin-doped indium oxide (ITO) substrates and characterised by electron microscopy (scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS)), X-ray diffraction, Raman spectroscopy, and photoelectrochemistry. The nanocrystalline film exhibited typically up to 52 % incident photon to current efficiency (IPCE) at 1.0 V vs. saturated calomel electrode (SCE) in aqueous 0.5 M Na2SO4 with oxalate, strongly enhancing photocurrents.

引用

页码：31 / 35

页数：5

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