带有金催化剂的 Anatase/TiO2(B) 均质纳米片用于甲烷与乙烷的直接光催化耦合

IF 4.3 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY Chemical Communications Pub Date : 2024-11-06 DOI:10.1039/d4cc05090h

Xuanzhao Lu, Huanhuan Luo, Biyang Xu, Zhuo Liu, Yue Cao, Kai Li, Xiaohan Yang, Liangyiqun Xie, Tao Guan, Wenlei Zhu, Yang Zhou

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引用次数: 0

摘要

合成了负载金纳米粒子的 Anatase/TiO2(B) 同质结，在流动光反应器中实现了 170 μmol g-1 h-1 的 C2H6 产率。同质结合降低了 TiO2(B) 的强氧化能力，为甲烷脱氢提供了更温和的环境，而金则有助于电荷缓解和甲基自由基偶联。该催化剂突出了同质结工程和光催化甲烷耦合的三元协同效应。

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Anatase/TiO2(B) Homojunction Nanosheets with Gold Cocatalyst for Direct Photocatalytic Coupling of Methane to Ethane

Anatase/TiO2(B) homojunction loaded with Au nanoparticles was synthesized, achieving a C2H6 yield rate of 170 μmol g−1 h−1 in a flow photoreactor. The homojunction reduces TiO2(B)’s strong oxidative ability, offering a more moderate environment for methane dehydrogenation, while Au aids in charge mitigation and methyl radicals coupling. The catalyst highlights homojunction engineering and a ternary synergistic effect in photocatalytic CH4 coupling.

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来源期刊

Chemical Communications 化学-化学综合

CiteScore

8.60

自引率

4.10%

发文量

2705

审稿时长

1.4 months

期刊介绍： ChemComm (Chemical Communications) is renowned as the fastest publisher of articles providing information on new avenues of research, drawn from all the world''s major areas of chemical research.