Fig. 6
From: Nickel@Siloxene catalytic nanosheets for high-performance CO2 methanation
In-situ DRIFTS experiments and proposed catalytic pathways. a–d In-situ DRIFTS spectra of samples Ni@SiXNS-H2O (a, b) and Ni@SiXNS-EtOH (c, d). e, f The catalytic reaction pathways of Ni@SiXNS-H2O- (e) and Ni@SiXNS-EtOH- (f) catalyzed CO2 reduction and the key reactions involved that can be detected by DRIFTS. Symbols: (♣) linear CO; (◊) bridging CO; (●) carbonate; (∇) CH4; (*) formate; (♦) OH groups
