Synergy between Palladium Single Atoms and Nanoparticles via Hydrogen Spillover for Enhancing CO 2 Photoreduction to CH 4
University of Science and Technology of China · Hefei National Center for Physical Sciences at Nanoscale · +1 more institution
Abstract
Abstract Selective photoreduction of carbon dioxide (CO 2 ) into carbon‐neutral fuels such as methane (CH 4 ) is extremely desirable but remains a challenge since sluggish multiple proton–electron coupling transfer and various C 1 intermediates are involved. Herein, a synergistic function between single Pd atoms (Pd 1 ) and Pd nanoparticles (Pd NPs ) on graphitic carbon nitride (C 3 N 4 ) for photocatalytic CO 2 methanation is presented. The catalyst achieves a high selectivity of 97.8% for CH 4 production with a yield of 20.3 µmol g cat. −1 h −1 in pure water. Mechanistic studies revealed that Pd 1 sites activated CO 2 , while Pd NPs sites boosted water (H 2 O) dissociation for increased H* coverage. The H*…
Citation impact
- FWCI
- 16.83
- Percentile
- 100%
- References
- 77
Authors
9- PLPeigen Liu
University of Science and Technology of China, Hefei National Center for Physical Sciences at Nanoscale, National Synchrotron Radiation Laboratory
- ZHZixiang Huang
University of Science and Technology of China, Hefei National Center for Physical Sciences at Nanoscale, National Synchrotron Radiation Laboratory
- XGXiaoping Gao
University of Science and Technology of China, Hefei National Center for Physical Sciences at Nanoscale
- XHXun Hong
University of Science and Technology of China, Hefei National Center for Physical Sciences at Nanoscale
- JZJunfa Zhu
University of Science and Technology of China, National Synchrotron Radiation Laboratory
Topics & keywords
- Catalysis
- Dissociation (chemistry)
- Materials science
- Hydrogen spillover
- Photochemistry
- Photocatalysis
- Electron transfer
- Hydrogen