Preparation of cauliflower-like bismuth sulfide and its application in electrochemical sensor |
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| Authors: | Qing Xiang Wang Feng Gao Shun Xing Li Wen Weng Zheng Shui Hu |
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| Institution: | a Department of Chemistry, Zhangzhou Normal University, Zhangzhou 363000, China;b College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China |
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| Abstract: | A solvothermal process was developed for the preparation of cauliflower-like Bi2S3 from N,N-dimethylformamide (DMF)solution of bismuth nitrate Bi(NO3)3.5H2O] and thioacetamide (TAA) with 2-undecyl-1-dithioureido-ethyl-imidazoline (SUDEI)as the morphology-controlling agent. The obtained Bi2S3 products were characterized by transmission electron microscopy (TEM),scanning electron microscopy (SEM), and X-ray diffraction (XRD), etc. The sensing properties of Bi2S3 with differentmorphologies were evaluated by the electrochemical analysis of dopamine (DA) and ascorbic acid (AA) coexisting solution.The results showed that cauliflower-like Bi2S3 showed a better resolving ability than rod-like Bi2S3 for the simultaneousdetermination of DA and AA.2008 Qing Xiang Wang. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved. |
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| Keywords: | Bismuth sulfide Solvothermal synthesis Electrochemical sensor |
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