Photocatalytic H2 evolution with a Cu2WS4 catalyst on a metal free D-π-A organic dye-sensitized TiO2

被引：57
|
作者：
Aslan, Emre [1 ]
Gonce, Mehmet Kerem [2 ]
Yigit, Mesude Zeliha [3 ]
Sarilmaz, Adem [4 ]
Stathatos, Elias [5 ]
Ozel, Faruk [4 ]
Can, Mustafa [6 ]
Patir, Imren Hatay [7 ]
机构：
[1] Selcuk Univ, Dept Chem, TR-42030 Konya, Turkey
[2] Selcuk Univ, Dept Nanotechnol & Adv Mat, TR-42030 Konya, Turkey
[3] Izmir Katip Celebi Univ, Dept Mat Sci & Engn, Fac Engn & Architecture, TR-35620 Izmir, Turkey
[4] Karamanoglu Mehmetbey Univ, Dept Met & Mat Engn, TR-70200 Karaman, Turkey
[5] Technol Educ Inst Western Greece, Dept Elect Engn, Nanotechnol & Adv Mat Lab, GR-26334 Patras, Greece
[6] Izmir Katip Celebi Univ, Fac Engn & Architecture, Dept Engn Sci, TR-35620 Izmir, Turkey
[7] Selcuk Univ, Dept Biotechnol, TR-42030 Konya, Turkey
来源：
APPLIED CATALYSIS B-ENVIRONMENTAL | 2017年 / 210卷
关键词：
Hydrogen evolution; Hot-injection; Cu2WS4; catalyst; Dye sensitization; VISIBLE-LIGHT; HYDROGEN-PRODUCTION; ANCHORING GROUPS; WATER; GENERATION; GRAPHENE; OXIDE; NANOPARTICLES; ELECTRODES; NANOFIBERS;
D O I：
10.1016/j.apcatb.2017.03.073
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：
A system comprising of a noble metal free Cu2WS4 catalyst and donor-pi-bridge-acceptor metal-free organic dyes (MZ-341 and MZ-235) sensitized TiO2 has been reported for the photocatalytic hydrogen production using triethanolamine (TEOA) as the sacrificial reagent under visible light irradiation. Cu2WS4 nanocubes were synthesized according to hot-injection reaction technique. The structural properties of the Cu2WS4 nanocubes were examined by microscopy (HR-TEM) and XRD techniques where the formation of nanocubes (rectangular and square cubes) with average edge length to be ranged from 100 to 500 nm and tetragonal phase (I-42m) was proved respectively. It was found that MZ-341 and MZ-235 dyes sensitized TiO2 have been produced 661 mol g 1 h(-1) and 531 mol g(-1) h(-1) hydrogen, respectively in TEOA solution at pH 9. When Cu2WS4, was used as a co-catalyst, hydrogen evolution by MZ-341 and MZ-235 sensitized TiO2 have been slightly increased to 1406 mol g(-1) h(-1) and 943 mol g(-1) h(-1), respectively. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：320 / 327
页数：8
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