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.
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页数：5
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