| {Co6}簇加成的夹心型锗钨酸盐的合成、结构及电化学性质 |
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| 引用本文： | 刘峥峥,张朋蕴,汪承日,黄胜利,杨国昱. {Co6}簇加成的夹心型锗钨酸盐的合成、结构及电化学性质[J]. 无机化学学报, 2024, 40(6): 1173-1179 |
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| 作者姓名： | 刘峥峥 张朋蕴 汪承日 黄胜利 杨国昱 |
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| 作者单位： | 北京理工大学化学与化工学院, 原子分子簇科学教育部重点实验室, 北京 102488 |
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| 基金项目： | 国家自然科学基金(No.21831001，21971011)资助。 |
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| 摘 要： | 通过水热反应合成了一个{Co6}簇加成的夹心型锗钨酸盐：[Co(dien)2]{[Co(dien)(H2O)]2[Co(dien)]2[Co6(en)2(μ3-OH)2(H2O)6(GeW8O31)2]}·5.5H2O (1)，其中dien=diethylenetriamine，en=ethylenediamine。该化合物的阴离子是一个带状{Co6}簇夹心的三明治型{Co6}@{GeW8}2结构。通过单晶X射线衍射、元素分析、红外光谱、粉末X射线衍射和热重实验对该化合物进行了系统性地表征。通过循环伏安测试研究了该化合物的电化学性质，同时其在电催化还原亚硝酸盐实验中展现出良好的催化活性。
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| 关 键 词： | 多金属氧酸盐 钴加成的多钨酸盐 夹心型结构 水热合成 亚硝酸盐还原 |
| 收稿时间： | 2024-01-27 |
| 修稿时间： | 2024-03-25 |
Synthesis, structure, and electrochemical properties of a sandwich-type {Co6}-cluster-added germanotungstate |
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| LIU Zhengzheng,ZHANG Pengyun,WANG Chengri,HUANG Shengli,YANG Guoyu. Synthesis, structure, and electrochemical properties of a sandwich-type {Co6}-cluster-added germanotungstate[J]. Chinese Journal of Inorganic Chemistry, 2024, 40(6): 1173-1179 |
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| Authors: | LIU Zhengzheng ZHANG Pengyun WANG Chengri HUANG Shengli YANG Guoyu |
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| Affiliation: | MOE Key Laboratory of Cluster Science, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 102488, China |
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| Abstract: | A new sandwich-type {Co6}-added polyoxotungstate, [Co(dien)2]{[Co(dien)(H2O)]2[Co(dien)]2[Co6(en)2(μ3-OH)2(H2O)6(GeW8O31)2]}·5.5H2O (1), where dien=diethylenetriamine and en=ethylenediamine, was synthesized via hydrothermal reaction. The polyoxoanion of compound 1 was constructed by a belt-like {Co6} cluster core sandwiched by two {GeW8} units. 1 was characterized by single crystal X-ray diffraction, element analysis, IR spectroscopy, powder X-ray diffraction (PXRD), and thermogravimetric analysis (TGA) experiments, respectively. The electrochemical properties of 1 were explored by the cyclic voltammetry (CV) technique, and 1 exhibited excellent electrocatalytic activity in nitrite reduction. |
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| Keywords: | polyoxometalate co-added polyoxotungstate sandwich-type structure hydrothermal synthesis reduction of nitrite |
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