Visible-light driven oxidative coupling of amines to imines with high selectivity in air over core-shell structured CdS@C3N4
Visible-light driven oxidative coupling of amines to imines with high selectivity in air over core-shell structured CdS@C3N4
复制标题
可见光驱动的胺与亚胺的氧化偶联,在空气中通过核壳结构的 CdS@C3N4 高选择性
DOI:
10.1016/j.apcatb.2018.03.098
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发表时间:
2018-11
期刊:
影响因子:
--
通讯作者:
Fu Wen-Fu
中科院分区:
文献类型:
--
作者:
Xu Yong;Chen Yong;Fu Wen-Fu
A core-shell structured CdS@C3N4photocatalyst with a 4 nm thick shell was prepared using self-assembly, and its structure, composition and morphology were characterized in detail. The hybrid visible-light catalyst exhibited a high photocatalytic performance for oxidative coupling of amines under atmospheric conditions, and robust product selectivity up to >99% for photodriven oxidation of various amines to corresponding imines was achieved. It was confirmed using Hammett-type plots and radical trapping experiments that steric effects and the formation of•O2−are critical for photocatalytic conversion of the investigated substrates, and the related catalytic mechanism is presented.
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