Citation: ZHAO Wei, RONG Jia-Cheng, LIU Nian-Qi, WANG Zi-Hao. Effect of Reaction Medium on Solvothermal Synthesis of CuS Crystals[J]. Chinese Journal of Inorganic Chemistry, ;2018, 34(3): 454-460. doi: 10.11862/CJIC.2018.052 shu

Effect of Reaction Medium on Solvothermal Synthesis of CuS Crystals

School of Materials Science and Engineering, Tianjin Chengjian University, Tianjin 300384, China

Corresponding author: ZHAO Wei, zhaowei2004@tsinghua.org.cn
Received Date: 12 September 2017
Revised Date: 22 November 2017

Figures(9)

In this work, micron CuS crystals were successfully prepared by solvothermal route with CuCl₂·2H₂O and CH₄N₂S as the reactant, and the effect of different reaction medium on the morphology, crystal structure and the yield of the synthesized CuS crystals had been investigated. The result show that the CuS crystals prepared with the N, N-dimethylformamide (DMF) as solvent were micron-scale hexagonal flower like shape crystals. And the micron flower-like CuS crystals were synthesized by using the ethylene glycol or the mixture with DMF and deionized water as solvent. With the increase of the proportion of water in the solvent, the yield of CuS crystal increases first and then decreases. The max yield of 64.5% was achieved when the ratio of V_DMF:V_H₂O is 1:1. The CuS crystals obtained with V_DMF:V_H₂O=2:1 show good photocatalytic activity and the decolorized rate of rhodamine B pollutant solution can reach 96.7% under the natural light irradiation simulated by xenon lamp in 2.5 h.
- CuS,
- solvothermal,
- yield,
- photocatalysis
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