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Biomolecule-assisted Solvothermal Synthesis of Bismuth Sulfide Nanorods 被引量:3

Biomolecule-assisted Solvothermal Synthesis of Bismuth Sulfide Nanorods
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摘要 A simple biomolecule-assisted synthetic route has been successfully developed to prepare bismuth sulfide(Bi 2 S 3 ) nanorods under solvothermal conditions.In the synthetic system,pentahydrate bismuth nitrate was employed to supply Bi source and L-cystine was used as sulfide source and complexing agent.The morphology,structure,and phase composition of the as-prepared Bi 2 S 3 products were characterized by X-ray diffraction(XRD),energy dispersion spectroscopy(EDS),X-ray photoelectron spectroscopy(XPS),field-emission scanning electron microscopy(FESEM),transmission electron microscopy(TEM),selected area electron diffraction(SAED),and high-resolution transmission electron microscopy(HRTEM).The experimental results show that the nanorods have uniform diameter of 100-200 nm and length of 2-4 μm.The possible formation mechanism for the bismuth sulfide nanorods was discussed. A simple biomolecule-assisted synthetic route has been successfully developed to prepare bismuth sulfide(Bi 2 S 3 ) nanorods under solvothermal conditions.In the synthetic system,pentahydrate bismuth nitrate was employed to supply Bi source and L-cystine was used as sulfide source and complexing agent.The morphology,structure,and phase composition of the as-prepared Bi 2 S 3 products were characterized by X-ray diffraction(XRD),energy dispersion spectroscopy(EDS),X-ray photoelectron spectroscopy(XPS),field-emission scanning electron microscopy(FESEM),transmission electron microscopy(TEM),selected area electron diffraction(SAED),and high-resolution transmission electron microscopy(HRTEM).The experimental results show that the nanorods have uniform diameter of 100-200 nm and length of 2-4 μm.The possible formation mechanism for the bismuth sulfide nanorods was discussed.
出处 《Journal of Materials Science & Technology》 SCIE EI CAS CSCD 2010年第5期417-422,共6页 材料科学技术(英文版)
基金 support from National Natural Sciences Foundation of China (GrantNos. 50772075 and 50972107)
关键词 Bismuth sulfide SOLVOTHERMAL L-CYSTINE NANORODS Bismuth sulfide Solvothermal L-cystine Nanorods
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