Self-Assembled 8-Ti-Containing Polyoxomolybdate for the Photocatalytic Hydrogen Evolution

被引：0

作者：

Wang, Wenyu ^{[1
]}

Liu, Sen ^{[1
]}

Ma, Pengtao ^{[1
]}

Wang, Jingping ^{[1
]}

Niu, Jingyang ^{[1
]}

机构：

[1] Henan Univ, Coll Chem & Mol Sci, Henan Key Lab Polyoxometalate Chem, Kaifeng 475004, Henan, Peoples R China

来源：

INORGANIC CHEMISTRY | 2024年 / 63卷 / 43期

基金：

中国国家自然科学基金;

关键词：

NOBLE-METAL-FREE; POLYOXOMETALATE CATALYST; MOLECULAR-STRUCTURE; WATER; POLYOXOTUNGSTATES; STABILITY; MAGNETISM; CLUSTERS; CENTERS; VALENCE;

D O I：

10.1021/acs.inorgchem.4c03255

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

An S-shaped 8-Ti-containing polyoxomolybdate (NH4)Cs2Na6H3[Ti-8(GeMo9O34)(2)(GeMo5O23)(2)]<middle dot>44H(2)O (1) has been prepared under the one-pot hydrothermal method and further characterized. According to single-crystal X-ray, compound 1 consists of two {GeMo9O34} and two {GeMo5O23} segments, which are linked with a {Ti8O34} cluster. Moreover, the {GeMo5O23} fragment is rare and the first discovery, which enriches the lacunary Keggin-type family and offers the possibility of obtaining new structures. Among all of the reported polyoxomolybdates, compound 1 has the highest nuclearity of Ti centers. From the photocatalytic hydrogen evolution studies, compound 1 can be used as the heterogeneous catalyst with an H-2 evolution rate of 2392.6 mu mol g(-1) h(-1) under minimally optimized conditions.

引用

页码：20625 / 20632

页数：8

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