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| 1 | Biomolecule-assisted Solvothermal Synthesis and Enhanced Visible Light Photocatalytic Performance of Bi2S3/BiOCl Composites显示文摘Novel Bi_2S_3/BiOCl photocatalysts were successfully synthesized via a facile biomoleculeassisted solvothermal method and biomolecule L-cysteine was used as the sulfur source.The structures,morphology,and optical properties of the synthesized samples were characterized by X-ray diffraction(XRD),X-ray photoelectron spectroscopy(XPS),Raman spectroscopy,transmission electron microscopy(TEM),and UV-vis diffuse reflectance spectroscopy(DRS).The presence of Bi_2S_3 in the Bi_2S_3/BiOCl composites could not only improve the optical properties but also enhance the photocatalytic activities for the degradation of Rhodamine B(Rh B) under visible-light irradiation(λ>420 nm) as compared with single Bi_2S_3 and BiOCl.Especially,the sample displayed the best performance of the photodegradation when the feed molar ratio of BiCl_3 and L-cysteine was 2.4:1,which was about 10 times greater than that of pure Bi OCl.The enhanced photocatalytic activities could be ascribed to the effective separation of photoinduced electrons and holes and the photosensitization of dye.Moreover,the possible photodegradation mechanism was also proposed,and the results revealed that the active holes(h+) and superoxide radicals(·O_2^-) were the main reactive species during photocatalytic degradation. | 贾志民 chen wei liu tianyu huang ting 刘孝恒 | 2016 | Journal of Wuhan University of Technology(Materials Science)2016，31，4： | 5 |
| 2 | 低温液相法制备硫化铋纳米材料的研究进展显示文摘文章综述了低温液相法制备纳米硫化铋的最新工艺研究进展。从原料选用、制备工艺、设备等多方面对各液相法包括水热(溶剂热)法、回流法、超声法、微波法、模板法等进行了比较和总结,并深入分析了其制备工艺的发展趋势。 | 佘媛媛 施丽丽 刘绚艳 唐淑贞 禹练英 | 2012 | 广东化工2012，39，18： | 0 |
| 3 | 环烷酸铋与金属减活剂在润滑脂中的协同作用研究显示文摘本研究中选择三种金属减活剂:苯并三氮唑类金属减活剂(T551)和噻二唑类金属减活剂(DMTD-8和DMTD-12),分别与环烷酸铋进行复配,利用铜腐、滴点和锥入度等方法考察复配添加剂对复合锂基脂基本理化性能的影响规律;然后通过摩擦学试验和表面分析等方法深入研究分析复配的添加剂间协同/对抗作用、对复合锂基脂承载能力及减摩抗磨性能的影响规律与作用机理.结果表明,环烷酸铋和三种金属减活剂的复配添加剂对复合锂基脂的基本理化性能影响较小,三种金属减活剂能够有效抑制环烷酸铋对铜片的腐蚀;环烷酸铋与苯并三氮唑类金属减活剂在极压性能和减摩抗磨性能上几乎没有协同作用,而与噻二唑类金属减活剂的协同作用明显,能够显著提升基础脂的承载能力和减摩抗磨性能,这种优异的协同效果归结于摩擦过程中生成的Fe_(2)O_(3)、Li_(2)O、FeS_(2)和Bi_(2)S_(3)等摩擦化学产物. | 叶春林 常淑梅 方洪岭 李毅 杨慧敏 胡丽天 张松伟 | 2023 | 摩擦学学报2023，43，5： | 0 |
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