A new multi-cobalt substituted molybdovanadate [{Co (H2O)5}4{Co8(OH)2(H2O)2V10Mo30O132}]12-: Synthesis, crystal structure and surface photovoltage

被引：0

作者：

Gao, Qiao ^{[1
]}

Zhang, Xin-Yue ^{[1
]}

Zong, Wei ^{[3
]}

Liu, Wei ^{[1
]}

Xu, Lin ^{[2
]}

机构：

[1] Changchun Univ Chinese Med, Sch Pharmaceut Sci, Changchun 130117, Peoples R China

[2] Northeast Normal Univ, Dept Chem, Key Lab Polyoxometalate Sci, Minist Educ, Changchun 130024, Peoples R China

[3] Qiqihar Univ, Coll Chem & Chem Engn, Qiqihar 161006, Peoples R China

来源：

JOURNAL OF MOLECULAR STRUCTURE | 2024年 / 1300卷

关键词：

Molybdovanadate; Multi -cobalt substituted; Surface photovoltage; POLYOXOMETALATE; NANOSCALE;

D O I：

10.1016/j.molstruc.2023.137241

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 novel multi-cobalt substituted molybdovanadate, (NH4)12[{Co(H2O)5}4{Co8(OH)2(H2O)2V10Mo30O132}]. 68H2O (1), was isolated via in situ self-assembly reaction of NaVO3.2H2O, (NH4)6Mo7O24.4H2O, and CoCl2.6H2O in the aqueous solution. Structural analysis reveals that compound 1 displays a zero-dimensional (0D) framework constructed from the Z-shaped {V10Mo30Co8} cluster surrounded by four {Co(H2O)5} units. The morphology of compound 1 features a lamellar construct, smooth surface, and regular edges with sizes 50-150 mu m. Photophysical measurements indicate that compound 1 shows solid-state semiconductor-like characteristics of both the surface photovoltage response and the optical band gap of ca. 2.04 eV.

引用

页数：5

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