Syntheses, crystal structures, and photocatalytic properties of two ammonium-directed Ag-Sb-S complexes

被引：32

作者：

Nie, Lina ^{[1
,2
]}

Liu, Guangfeng ^{[2
]}

Xie, Jian ^{[2
]}

Lim, Teik-Thye ^{[3
]}

Armatas, Gerasimos S. ^{[4
]}

Xu, Rong ^{[5
]}

Zhang, Qichun ^{[2
,6
]}

机构：

[1] Nanyang Technol Univ, Nanyang Environm & Water Res Inst, Interdisciplinary Grad Sch, Singapore 639798, Singapore

[2] Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 639798, Singapore

[3] Nanyang Technol Univ, Sch Civil & Environm Engn, Singapore 639798, Singapore

[4] Univ Crete, Dept Mat Sci & Technol, Chem Dept, GR-71003 Iraklion, Greece

[5] Nanyang Technol Univ, Sch Chem & Biomed Engn, Singapore 637459, Singapore

[6] Nanyang Technol Univ, Div Chem & Biol Chem, Sch Phys & Math Sci, Singapore 637371, Singapore

来源：

INORGANIC CHEMISTRY FRONTIERS | 2017年 / 4卷 / 06期

关键词：

SURFACTANT-THERMAL METHOD; METAL-ORGANIC FRAMEWORKS; SILVER-ANTIMONY SULFIDES; ION-EXCHANGE PROPERTY; BAND-GAP; THIOANTIMONATE; CLUSTERS; MEDIA; TRANSFORMATIONS; CHALCOGENIDES;

D O I：

10.1039/c7qi00130d

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

With ammonium ions as structure-directing agents, two novel silver thioantimonates (NH4) AgSb4S7 center dot H2O (1) and (NH4) AgSb2S4 (2) have been surfactant-thermally synthesized and fully characterized. Compound 1 features a three dimensional (3D) open framework while compound 2 possesses a two dimensional (2D) layer structure. The optical band gaps are estimated to be 1.70 eV for 1 and 1.84 eV for 2, exhibiting semiconductor properties for visible light absorption. The photocatalytic experiments demonstrated that both 1 and 2 were able to degrade crystal violet (CV) and rhodamine B (RhB) under visible light irradiation. Moreover, compounds 1 and 2 also displayed selective photocatalytic abilities in CV degradation.

引用

页码：954 / 959

页数：6

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