Topological Transformation of Mg-Containing Layered Double Hydroxide Nanosheets for Efficient Photodriven CH4 Coupling

Xu, Yanqi and Sun, Xiaoliang and Wang, Xian and He, Lunhua and Wharmby, Michael T. and Hua, Xiao and Zhao, Yufei and Song, Yu-Fei (2021) Topological Transformation of Mg-Containing Layered Double Hydroxide Nanosheets for Efficient Photodriven CH4 Coupling. Chemistry - A European Journal, 27 (52). pp. 13211-13220. ISSN 0947-6539

Full text not available from this repository.

Abstract

Direct conversion of methane (CH4) to fuels and other high value-added chemicals is an attractive technology in the chemical industry; however, practical challenges to sustainable processes remain. Herein, we report the preparation of a heterostructured Co-doped MgO-based catalyst through topological transformation of a MgCo-layered double hydroxide (LDH) calcination from 200 to 1100 °C. Remarkably, the catalyst can activate CH4 coupling to produce C2H6 with a selectivity of 41.60 % within 3 h under full-spectrum irradiation through calcination of LDH at 800 °C. Characterization studies and catalytic results suggest that the highly dispersed active sites and large interfaces amongst the Co-doped MgO-based catalysts enable surface activation of CH4 to methyl (CH3*), in turn promoting coupling of CH3* to C2H6. This study introduces a promising pathway for photodriven CH4 coupling to give high value-added chemicals by using layered double hydroxides as a precursor.

Item Type:
Journal Article
Journal or Publication Title:
Chemistry - A European Journal
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/1600
Subjects:
ID Code:
171425
Deposited By:
Deposited On:
07 Jun 2022 15:05
Refereed?:
Yes
Published?:
Published
Last Modified:
22 Nov 2022 11:31