Mild solvothermal syntheses and characterization of layered copper thioantimonates(III) and thioarsenate(III).
Mild solvothermal syntheses and characterization of layered copper thioantimonates(III) and thioarsenate(III).
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DOI:
10.1021/ic402864s
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发表时间:
2014-05
影响因子:
4.6
通讯作者:
Chi Zhang;Min Ji;S. Ji;Y. An
中科院分区:
文献类型:
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作者:
Chi Zhang;Min Ji;S. Ji;Y. An
The new copper thioantimonates(III) and thioarsenate(III) Rb2Cu2Sb2S5 (1), Cs2Cu2Sb2S5 (2), and Rb8Cu6As8S19 (3) have been synthesized solvothermally. Compound 1 contains a [Cu2SbS3] net to which [Sb2S4] chains adhere through Cu-S bonds and Sb-Cu interactions to give a layered structure. In compound 2, the layer is formed by edge-sharing tetrahedral CuS4 chains linked by dimeric [Sb2S5] units. The layered structure in compound 3 is constructed by helical chains built from [Cu3S7] moieties and dimeric [As2S5] units which are further connected by tetrameric [As4S9] groups. Their optical and thermal properties have been investigated.