Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 59, Issue 26, Pages 10651-10657Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202003623
Keywords
erbium; nanocatalysis; photocatalytic CO2 reduction; rare-earth elements; single-atom catalysts
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Funding
- National Key RAMP
- D Program of China [2018YFA0702003, 2016YFA0202801]
- National Natural Science Foundation of China [21890383, 21671117, 21871159, 21871079, 21971057, 21901135]
- Beijing Municipal Science AMP
- Technology Commission [Z191100007219003]
- National Postdoctoral Program for Innovative Talents [BX20180160]
- China Postdoctoral Science Foundation [2018M640113]
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The solar-driven photocatalytic reduction of CO2 (CO2RR) into chemical fuels is a promising route to enrich energy supplies and mitigate CO2 emissions. However, low catalytic efficiency and poor selectivity, especially in a pure-water system, hinder the development of photocatalytic CO2RR owing to the lack of effective catalysts. Herein, we report a novel atom-confinement and coordination (ACC) strategy to achieve the synthesis of rare-earth single erbium (Er) atoms supported on carbon nitride nanotubes (Er-1/CN-NT) with a tunable dispersion density of single atoms. Er-1/CN-NT is a highly efficient and robust photocatalyst that exhibits outstanding CO2RR performance in a pure-water system. Experimental results and density functional theory calculations reveal the crucial role of single Er atoms in promoting photocatalytic CO2RR.
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