Journal
CHEMICAL COMMUNICATIONS
Volume 57, Issue 78, Pages 10067-10070Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1cc03516a
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Funding
- National Natural Science Foundation of China [51672312, 21978265]
- Fundamental Research Funds for the Central Universities, SouthCentral University for Nationalities [CZZ21012, KTZ20043]
- State Key Laboratory of Green Chemistry Synthesis Technology [GCST-20200009]
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The visible light photocatalytic oxidation of NO on CdS nanorods was significantly enhanced by in situ deposition of Bi nanoplates, which promoted the production of superoxide radicals and singlet oxygen responsible for the oxidation of NO. This study demonstrates the potential of using metallic Bi for improving the efficiency of NO removal in photocatalytic reactions.
We report the first visible light photocatalytic oxidation of NO on CdS nanorods (CdS-NRs), one of the typical reduction type semiconductor photocatalysts. The NO removal rate in a continuous reactor sharply increases from 44% to 58% after in situ deposition of Bi nanoplates on CdS-NRs. The LSPR effect of metallic Bi causes the dramatic production of superoxide radicals (O-2(-)) and singlet oxygen (O-1(2)) that are responsible for the oxidation of NO.
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