%0 Journal Article
%A Xie, Chenlu
%A Chen, Chen
%A Yu, Yi
%A Su, Ji
%A Li, Yifan
%A Somorjai, Gabor A.
%A Yang, Peidong
%D 2017
%T Tandem Catalysis for CO2 Hydrogenation
to C2–C4 Hydrocarbons
%U https://acs.figshare.com/articles/journal_contribution/Tandem_Catalysis_for_CO_sub_2_sub_Hydrogenation_to_C_sub_2_sub_C_sub_4_sub_Hydrocarbons/5015642
%R 10.1021/acs.nanolett.7b01139.s001
%2 https://acs.figshare.com/ndownloader/files/8453888
%K CO 2 Hydrogenation
%K multiple-step chemical conversions
%K hydrocarbon
%K interface
%K tandem process
%K catalyst
%X Conversion
of carbon dioxide to C2–C4 hydrocarbons
is a major pursuit in clean energy research. Despite tremendous efforts,
the lack of well-defined catalysts in which the spatial arrangement
of interfaces is precisely controlled hinders the development of more
efficient catalysts and in-depth understanding of reaction mechanisms.
Herein, we utilized the strategy of tandem catalysis to develop a
well-defined nanostructured catalyst CeO2–Pt@mSiO2–Co for converting CO2 to C2–C4 hydrocarbons using two metal-oxide interfaces. C2–C4 hydrocarbons are found to be produced with
high (60%) selectivity, which is speculated to be the result of the
two-step tandem process uniquely allowed by this catalyst. Namely,
the Pt/CeO2 interface converts CO2 and H2 to CO, and on the neighboring Co/mSiO2 interface
yields C2–C4 hydrocarbons through a subsequent
Fischer–Tropsch process. In addition, the catalysts show no
obvious deactivation over 40 h. The successful production of C2–C4 hydrocarbons via a tandem process on
a rationally designed, structurally well-defined catalyst demonstrates
the power of sophisticated structure control in designing nanostructured
catalysts for multiple-step chemical conversions.
%I ACS Publications