Heterogeneous photocatalytic water reduction using a QD-cluster pentacobalt polyoxotungstate complex

被引:3
作者
Askari, Parvin [1 ,2 ]
Mohebbi, Sajjad [1 ]
机构
[1] Univ Kurdistan, Dept Chem, POB 66179-416, Sanandaj, Iran
[2] Laval Univ, Dept Chem Engn, Quebec City, PQ G1V 0A6, Canada
基金
美国国家科学基金会;
关键词
VISIBLE-LIGHT IRRADIATION; HYDROGEN GENERATION; POLYOXOMETALATE CATALYST; CRYSTAL-STRUCTURES; ELECTRON-TRANSFER; AQUEOUS-SOLUTIONS; H-2; EVOLUTION; SYSTEM; IRIDIUM;
D O I
10.1039/c9nj00327d
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
An efficient novel photo-driven water reduction catalyst was reported by using the quantum dot cluster pentacobalt polyoxotungestate complex Cs-12[Co3W(H2O)(2)(CoW9O34)(2)]H2O which was prepared by self-assembly of the corresponding sodium salt as the precursor. This water reduction catalyst was hydrolytically stable and synthesized by a sonochemical method with Triton-X-100 as a surfactant using earth abundant elements (Co, W, and O) and characterized by different methods such as FTIR, UV-vis, TGA, TEM, elemental analysis and an electrochemical study. This catalyst shows an excellent catalytic current on the cyclic voltammetry time scale and produces hydrogen under mild conditions. [Ru(bpy)(3)](2+) (bpy = 2,2-bipyridine) was used as the photosensitizer (PS), methyl viologen (MV) as an electron relay reagent and EDTA as a sacrificial electron donor. The quantum efficiency reached 12.1% for H-2 production at pH 4.8 under visible light irradiation which is significantly high. Besides, it was stable and reused under catalytic turnover conditions five times without a decrease in activity.
引用
收藏
页码:8085 / 8092
页数:8
相关论文
共 38 条
[1]   EXCITED-STATE ELECTRON-TRANSFER QUENCHING BY A SERIES OF WATER PHOTO-REDUCTION MEDIATORS [J].
AMOUYAL, E ;
ZIDLER, B ;
KELLER, P ;
MORADPOUR, A .
CHEMICAL PHYSICS LETTERS, 1980, 74 (02) :314-317
[2]   PHOTOCHEMICAL PRODUCTION OF HYDROGEN FROM WATER [J].
AMOUYAL, E ;
KOFFI, P .
JOURNAL OF PHOTOCHEMISTRY, 1985, 29 (1-2) :227-242
[3]   MECHANISM OF THE FORMATION OF DIHYDROGEN FROM THE PHOTOINDUCED REACTIONS OF POLY(PYRIDINE)RUTHENIUM(II) AND POLY(PYRIDINE)RHODIUM(III) COMPLEXES [J].
CHAN, SF ;
CHOU, M ;
CREUTZ, C ;
MATSUBARA, T ;
SUTIN, N .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1981, 103 (02) :369-379
[4]   Homogeneous Catalytic System for Photoinduced Hydrogen Production Utilizing Iridium and Rhodium Complexes [J].
Cline, Eric D. ;
Adamson, Samantha E. ;
Bernhard, Stefan .
INORGANIC CHEMISTRY, 2008, 47 (22) :10378-10388
[5]   Efficient photocatalytic H2 evolution catalyzed by an unprecedented robust molecular semiconductor {Fe11} nanocluster without cocatalysts at neutral conditions [J].
Du, Xiaoqiang ;
Zhao, Jinli ;
Mi, Jiaqi ;
Ding, Yong ;
Zhou, Panpan ;
Ma, Baochun ;
Zhao, Junwei ;
Song, Jie .
NANO ENERGY, 2015, 16 :247-255
[6]   Thermal and photocatalytic production of hydrogen with earth-abundant metal complexes [J].
Fukuzumi, Shunichi ;
Lee, Yong-Min ;
Nam, Wonwoo .
COORDINATION CHEMISTRY REVIEWS, 2018, 355 :54-73
[7]   Discovery and high-throughput screening of heteroleptic iridium complexes for photoinduced hydrogen production [J].
Goldsmith, JI ;
Hudson, WR ;
Lowry, MS ;
Anderson, TH ;
Bernhard, S .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2005, 127 (20) :7502-7510
[8]   Bio-inspired assembly of cubane-adjustable polyoxometalate-based high-nuclear nickel clusters for visible light-driven hydrogen evolution [J].
Han, Xin-Bao ;
Qin, Chao ;
Wang, Xin-Long ;
Tan, Yuan-Zhi ;
Zhao, Xin-Jing ;
Wang, En-Bo .
APPLIED CATALYSIS B-ENVIRONMENTAL, 2017, 211 :349-356
[9]  
HAWECKER J, 1983, NOUV J CHIM, V7, P271
[10]   HYDROGEN EVOLUTION FROM WATER BY VISIBLE-LIGHT, A HOMOGENEOUS 3 COMPONENT TEST SYSTEM FOR REDOX CATALYSIS [J].
KALYANASUNDARAM, K ;
KIWI, J ;
GRATZEL, M .
HELVETICA CHIMICA ACTA, 1978, 61 (07) :2720-2730