Citation: Ji-Long LI, Wen MA, Jian-Ce JIN, Mei-Ling FENG, Xiao-Ying HUANG. Syntheses, Crystal Structures and Optoelectronic Properties of Two New Inorganic Thioantimonates[J]. Chinese Journal of Structural Chemistry, ;2021, 40(4): 443-452. doi: 10.14102/j.cnki.0254-5861.2011-3075 shu

Syntheses, Crystal Structures and Optoelectronic Properties of Two New Inorganic Thioantimonates

Ji-Long LI ^{a, b} ,
Wen MA ^b ,
Jian-Ce JIN ^b ,
Mei-Ling FENG ^b,, ,
Xiao-Ying HUANG ^b

a.
College of Chemistry and Materials Science, Fujian Normal University, Fuzhou 350007, China
b.
State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China

Corresponding author: Mei-Ling FENG, fml@fjirsm.ac.cn
Received Date: 21 December 2020
Accepted Date: 21 January 2021

Fund Project: the National Science Foundations of China 22076185the National Science Foundations of China 21771183the Natural Science Foundation of Fujian Province 2020J06033FJIRSM & IUE Joint Research Fund RHZX-2018-005

Figures(5)

Two new thioantimonates, (NH₄)₂Sb₁₀S₁₆ (1) and K_1.4(NH₄)_0.6Sb₁₀S₁₆ (2), have been synthesized by solvothermal method with the yields of 80% and 85%, respectively. Single-crystal X-ray diffraction (SCXRD) study reveals that 1 crystallizes in the monoclinic space group of Pn with a = 8.1284(4), b = 19.4587(9), c = 9.1030(4) Å, β = 91.736(5)°, V = 1439.14(12) Å³, Z = 2, D_c = 4.077 g·cm^-3, F(000) = 1576, μ = 10.389 mm^-1, R = 0.0343 and wR = 0.0624 (I > 2σ(I)); 2 also crystallizes in the monoclinic space group of Pn with a = 8.0989(6), b = 19.3730(17), c = 9.0411(6) Å, β = 91.879(6)°, V = 1417.79(19) Å³, Z = 2, D_c = 4.207 g·cm^-3, F(000) = 1598, μ = 10.748 mm^-1, R = 0.0323 and wR = 0.0664 (I > 2σ(I)). The anionic frameworks of two compounds both feature two-dimensional (2D) [Sb₁₀S₁₆]_n^2n- layers. The stabilities and optoelectronic properties of 1 and 2 have been characterized. In particular, they are stable under acidic or alkaline conditions (pH = 0 or 12.5), showing excellent acid-based resistance.
- solvothermal synthesis,
- crystal structure,
- thioantimonates,
- optoelectronic property
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