Hydrogen Photoassisted Generation by Visible Light and an Earth Abundant Photocatalyst: Pyrite (FeS2)

被引：33

作者：

Barawi, Mariam ^{[1
,2
]}

Ferrer, Isabel J. ^{[1
]}

Flores, Eduardo ^{[1
]}

Yoda, Satoko ^{[1
]}

Ares, Jose R. ^{[1
]}

Sanchez, Carlos ^{[1
]}

机构：

[1] Univ Autonoma Madrid, Dept Fis Mat, MIRE Grp, E-28049 Madrid, Spain

[2] Fdn Ist Italiano Tecnol, Ctr Biomol Nanotechnol, I-73010 Arnesano, LE, Italy

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2016年 / 120卷 / 18期

关键词：

IRON PYRITE; THIN-FILMS; BAND-GAP; NATURAL PYRITE; PHOTOELECTRODES; PHOTOLYSIS; LAYER; WATER; CDS;

D O I：

10.1021/acs.jpcc.5b11482

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

N-Type pyrite (FeS2) thin films, deposited on titanium substrates, have been synthesized and photoelectrochemically characterized. Its flat band potential has been estimated to be -0.75 +/- 0.05V vs Ag/AgCl by electrochemical impedance spectroscopy (EIS). The corresponding energy level diagram of the FeS2/electrolyte interface has been established. Profuse hydrogen flows have been produced under visible light illumination of FeS2 photoanode in a photo electrochemical cell (PEC) at different bias potentials. Their values, measured by mass spectrometry (MS), were higher than 5 mu mol H-2/min.cm(2). Hydrogen photogeneration efficiencies of similar to 8% have been reached.

引用

页码：9547 / 9552

页数：6

共 59 条

[1] INTERFACIAL BEHAVIOR OF HYDROGEN-TREATED SULFUR DEFICIENT PYRITE (FES2-X) [J].

ALONSOVANTE, N ;

CHATZITHEODOROU, G ;

FIECHTER, S ;

MGODUKA, N ;

POULIOS, I ;

TRIBUTSCH, H .

SOLAR ENERGY MATERIALS, 1988, 18 (1-2) :9-21

[2]

ALONSOVANTE N, 1990, CROAT CHEM ACTA, V63, P417

[3] Specifying targets of future research in photovoltaic devices containing pyrite (FeS2) by numerical modelling [J].

Altermatt, PP ;

Kiesewetter, T ;

Ellmer, K ;

Tributsch, H .

SOLAR ENERGY MATERIALS AND SOLAR CELLS, 2002, 71 (02) :181-195

[4] NATURAL PYRITE-BASED ELECTRODES FOR PHOTOELECTROCHEMICAL APPLICATIONS [J].

ANTONUCCI, V ;

ARICO, AS ;

IELO, I ;

MODICA, E ;

CANDIANO, G ;

MONFORTE, G ;

GIORDANO, N ;

ANTONUCCI, PL .

ELECTROCHIMICA ACTA, 1993, 38 (01) :123-128

[5] PHOTOACTIVE SCREEN-PRINTED PYRITE ANODES FOR ELECTROCHEMICAL PHOTOVOLTAIC CELLS [J].

ANTONUCCI, V ;

ARICO, AS ;

GIORDANO, N ;

ANTONUCCI, PL ;

RUSSO, U ;

COCKE, DL ;

CREA, F .

SOLAR CELLS, 1991, 31 (02) :119-141

[6] A methodology to reduce error sources in the determination of thin film chemical composition by EDAX [J].

Ares, JR ;

Pascual, A ;

Ferrer, IJ ;

Sánchez, C .

THIN SOLID FILMS, 2004, 450 (01) :207-210

[7]

Azaroff L.V., 1968, Elements of X-Ray Crystallography

[8] Titanium trisulphide (TiS3) nanoribbons for easy hydrogen photogeneration under visible light [J].

Barawi, M. ;

Flores, E. ;

Ferrer, I. J. ;

Ares, J. R. ;

Sanchez, C. .

JOURNAL OF MATERIALS CHEMISTRY A, 2015, 3 (15) :7959-7965

[9] Hydrogen Evolution Using Palladium Sulfide (PdS) Nanocorals as Photoanodes in Aqueous Solution [J].

Barawi, M. ;

Ferrer, I. J. ;

Ares, J. R. ;

Sanchez, C. .

ACS APPLIED MATERIALS & INTERFACES, 2014, 6 (22) :20544-20549

[10]

Barawi M., 2014, 225 ECS F5 SOL FUELS

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