Tuning the oxidation state of copper in CuMgAl hydrotalcite using partially it oxidized MoS2 for efficient hydroxylation of phenol
Tuning the oxidation state of copper in CuMgAl hydrotalcite using partially it oxidized MoS2 for efficient hydroxylation of phenol
复制标题
利用部分氧化的 MoS2 调节 CuMgAl 水滑石中铜的氧化态，以实现苯酚的有效羟基化
DOI：
10.1016/j.catcom.2019.105752
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发表时间：
2019
影响因子：
3.7
通讯作者：
Zheng Zhanfeng
中科院分区：
文献类型：
--
作者：
Liu Meixian;Wang Hao;Zhu Pengqi;Wang Jie;Tan Hao;Zheng Zhanfeng
据报道，CuMgAl三元水滑石（CuMgAl）能够将H2O2分解为自由基dotOH，从而实现苯酚的羟基化，其关键活性位点是Cu+。 Cu2+ 必须转化为 Cu+，这是一个缓慢的步骤，会降低总反应效率。本文设计了部分氧化的 MoS2 负载的 CuMgAl (PO-MoS2/CuMgAl-1.12) 样品来克服这个问题。作为变价金属，Mo可以通过形成Mo单键O单键Cu电子传输系统将Cu2+部分调节为Cu+，从而增强催化剂的催化性能。
The CuMgAl ternary hydrotalcite (CuMgAl) has been reported to achieve the decomposition of H2O2to radical dotOH for hydroxylation of phenol, and the key active site is Cu+. The Cu2+must be converted to Cu+, which is a slow step that lowers the total reaction efficiency. Herein, the partially oxidized MoS2loaded CuMgAl (PO-MoS2/CuMgAl-1.12) sample was designed to overcome this issue. As a variable valence metal the Mo can partly tune the Cu2+to Cu+by forming Mosingle bondOsingle bondCu electron transport system which enhances the catalytic performance of our catalyst.