Photo-electroactive ternary chalcogenido-indate-stannates with a unique 2-D porous structure

A lot of ternary In-Sb-Q (Q = S, Se) chalcogenido-metalates with amines or complex cations have been recently reported for their diverse structures, however, such a type of In-Sn-Q chalcogenido-metalate has been rarely announced. Herein, we report a series of 2-D In-Sn-Q compounds prepared using a m...

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Bibliographic Details
Published in:Dalton transactions : an international journal of inorganic chemistry 2015-03, Vol.44 (10), p.4520-4525
Main Authors: Wu, Jing, Pu, Ya-Yang, Zhao, Xiao-Wei, Qian, Li-Wen, Bian, Guo-Qing, Zhu, Qin-Yu, Dai, Jie
Format: Article
Language:English
Subjects:
Amines
Cationic
Cations
Networks
Photocurrent
Photoelectric effect
Selenides
Sulfides
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Summary:A lot of ternary In-Sb-Q (Q = S, Se) chalcogenido-metalates with amines or complex cations have been recently reported for their diverse structures, however, such a type of In-Sn-Q chalcogenido-metalate has been rarely announced. Herein, we report a series of 2-D In-Sn-Q compounds prepared using a metal-phenanthroline cationic template, [M(Phen)3](In2Sn2Q8)·(amine)·nH2O (M = Ni(II), Fe(II) or Co(II); amine = cyclohexylamine (Cha) or 1,6-diaminohexane (Dah); Q = S or Se). Their anions are isostructural and a 2-D porous network with large 16-tetrahedron-rings. The 2-D network joint of In-Sn-Q is a (In/Sn)3Q3 six-membered ring, which is different from the Sn3Q4 pseudosemicube of most 2-D Sn-Q binary compounds. The materials exhibit photocurrent response properties measured using a photo-electrochemical cell. The result shows that (1) the selenides exhibit more intense photocurrents than the sulfides and (2) the current intensity is related to the metal-phenanthroline cations.
ISSN:1477-9226
1477-9234
DOI:10.1039/c4dt03333g