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| 1 | Rochow-Müller反应制备甲基氯硅烷单体工艺的研究进展显示文摘Rochow-Müller反应是一种直接合成甲基氯硅烷的方法。由于其原料易得,产物收率高,工艺较易实现,成为有机硅工业单体生产的主流工艺。到目前为止,铜基催化剂仍为Rochow-Müller反应的核心催化剂,催化性能的改善对该工艺的提升具有重大意义。在探索高效催化剂和理解其机理方面已取得相关进展,但由于副产物多,复杂性高,对该反应真实反应路径的追踪仍然较为困难。对Rochow-Müller反应的热力学过程、铜基催化剂及助催化剂的应用、反应机制及动力学过程和工艺条件的影响进行综述讨论。希望这项工作能够准确地反应Rochow-Müller反应催化工艺的最新进展,并可以促进有机硅工业的可持续性发展。 | 邝澎 李晶 | 2021 | 工业催化2021，29，3： | 1 |
| 2 | A general bottom-up synthesis of CuO-based trimetallic oxide mesocrystal superstructures for efficient catalytic production of trichlorosilane显示文摘Mesocrystals, the non-classical crystals with highly ordered nanoparticle superstructures, have shown great potential in many applications because of their newly collective properties. However, there is still a lack of a facile and general synthesis strategy to organize and integrate distinct components into complex mesocrystals, and of reported application for them in industrial catalytic reactions. Herein we report a general bottom-up synthesis of CuO-based trimetallic oxide mesocrystals (denoted as CuO-M1Ox-M2Oy, where M1 and M2 = Zn, In, Fe, Ni, Mn, and Co) using a simple precipitation method followed by a hydrothermal treatment and a topotactic transformation via calcination. When these mesocrystals were used as the catalyst to produce trichlorosilane (TCS) via Si hydrochlorination reaction, they exhibited excellent catalytic performance with much increased Si conversion and TCS selectivity. In particular, the TCS yield was increased 19-fold than that of the catalyst-free process. The latter is the current industrial process. The efficiently catalytic property of these mesocrystals is attributed to the formation of well-defined nanoscale heterointerfaces that can effectively facilitate the charge transfer, and the generation of the compressive and tensile strain on CuO near the interfaces among different metal oxides. The synthetic approach developed here could be applicable to fabricate versatile complicated metal oxide mesocrystals as novel catalysts for various industrial chemical reactions. | Hezhi Liu Yongjun Ji Jing Li Yu Zhang Xueguang Wang Haijun Yu Dingsheng Wang Ziyi Zhong Lin Gu Guangwen Xu Yadong Li Fabing Su | 2020 | Nano Research2020，13，10： | 1 |
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