Controlled Synthesis of Heterostructured SnO2-CuO Composite Hollow Microspheres as Efficient Cu-Based Catalysts for the Rochow Reaction
Controlled Synthesis of Heterostructured SnO2-CuO Composite Hollow Microspheres as Efficient Cu-Based Catalysts for the Rochow Reaction
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DOI：
10.3390/catal8040144
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发表时间：
2018-04
期刊：
影响因子：
3.9
通讯作者：
Hezhi Liu;Yongjun Ji;Xiujing Zou;Jing Li;Yu Zhang;Xueguang Wang;Z. Zhong;F. Su
中科院分区：
文献类型：
--
作者：
Hezhi Liu;Yongjun Ji;Xiujing Zou;Jing Li;Yu Zhang;Xueguang Wang;Z. Zhong;F. Su
在本工作中，我们设计和合成了一系列用于Rochow反应的异质结构SnO2-CuO空心微球催化剂（H-SnO2(x)-CuO， x为Sn/Cu的重量比）。采用简单的一锅水热-煅烧法制备了以纳米片和纳米颗粒为主体的微球催化剂。在Rochow反应测试中，制备的H-SnO2(0.2)-CuO复合材料比固体CuO、空心CuO和其他H-SnO2(x)-CuO微球样品具有更高的二甲基二氯硅烷选择性（88.2%）和Si转化率（36.7%），这是因为在固体CuO中，CuO与SnO2之间存在更强的协同作用。
In this work, we report the design and synthesis of a series of heterostructured SnO2-CuO hollow microspherical catalysts (H-SnO2(x)-CuO, x is the weight ratio of Sn/Cu) for the Rochow reaction. The microspherical catalysts with nanosheets and nanoparticles as building blocks were prepared by a facile one-pot hydrothermal method coupled with calcination. When tested for the Rochow reaction, the prepared H-SnO2(0.2)-CuO composite exhibited higher dimethyldichlorosilane selectivity (88.2%) and Si conversion (36.7%) than the solid CuO, hollow CuO and other H-SnO2(x)-CuO microspherical samples, because in the former there is a stronger synergistic interaction between CuO and SnO2.