Laboratory of Plasma and Catalysis
Paper
Synergy between beta-Mo2C Nanorods and Non-thermal Plasma for Selective CO2 Reduction to CO
Release Time:2021-09-14
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First Author:
Zhang, Xiao
Correspondence Author:
Wang, Rongming,Xiao, Dequan,毕明树,Ma, Ding,石川,Liu, Yang,Zhang, Mengtao,Yu, Tao,陈冰冰,Xu, Yao,Crocker, Mark,Xiaobing Zhu,Zhu, Yuchen
Date of Publication:
2021-04-12
Journal:
CHEM
Document Type:
J
Volume:
6
Issue:
12
Page Number:
3312-3328
ISSN:
2451-9294
Abstract:
Synergy between plasma and catalysis has long been recognized, but efforts to improve synergy and energy efficiency remain both highly desirable and challenging. Herein, beta-Mo2C nanorods were coupled with non-thermal plasma (NTP) to catalyze selective CO2 reduction to CO by H-2 or CH4. Unprecedented catalytic activity and selectivity were achieved without additional thermal input, and the turnover frequency (TOF) was an order of magnitude higher than that obtained during thermal catalysis. The porous-structured beta-Mo2C nanorods not only possessed large accessible surfaces but also facilitated charge deposition to generate a strong local electric field when NTP was coupled. The interplay between beta-Mo2C nanorods and NTP boosted the synergy and energy efficiency: the TOF and CO specific energy yield were 1.4-2 times and similar to 10 times higher, respectively, than those of beta-Mo2C nanoparticles. This strategy of coupling regularly shaped catalytic materials with NTP provides new opportunities to improve the efficiency of plasma-assisted catalytic processes.