Au Cluster–Nanoparticle Dual Coupling for Photocatalytic CO<sub>2</sub> Conversion
CO<sub>2</sub>-selective photoreduction to value-added products is ideal, but its practical application suffers from weak photogenerated carrier separation and insufficient multielectron transport. Herein, we constructed the tricomponent AuNPs@SnO<sub>2</sub>-AuNCs hybrid by decorating Au nanoclusters (AuNCs) on the Au nanoparticle (AuNPs)@SnO<sub>2</sub> core-shell structure. AuNC-NP dual coupling endowed AuNPs@SnO<sub>2</sub>-AuNCs with an excellent CO yield of 64.8 μmol g<sup>-1</sup> h<sup>-1</sup> during CO<sub>2</sub> photoreduction, which was higher than the role of separate application of AuNCs (25.3 μmol g<sup>-1</sup> h<sup>-1</sup>) and AuNPs (16.0 μmol g<sup>-1</sup> h<sup>-1</sup>). It was mainly attributed that the coaction of AuNPs and AuNCs not only enhanced the visible light absorption capacity but also improved the photogenerated carrier separation/migration. As a result, the electron-rich AuNCs induced from plasmonic AuNPs and photoexcited SnO<sub>2</sub> promoted the photocatalytic CO<sub>2</sub>-to-CO performance. This work provides a new perspective to design multicomponent photocatalysts for highly efficient CO<sub>2</sub> conversion.
Authors
- Junjie Mao (ORCID: https://orcid.org/0000-0003-0223-7119)
- Jiale Cheng
- Chengyang Zhu
- Jiaqi Li (ORCID: https://orcid.org/0000-0002-3218-5930)
- Yukai Chen (ORCID: https://orcid.org/0000-0003-1652-5605)
- Jiaojiao Fang (ORCID: https://orcid.org/0000-0002-4976-148X)
Institutions
- Changzhou University (CN)
- Anhui Normal University (CN)
Publication Details
- Journal
- Inorganic Chemistry
- Published
- 2024-09-30
- DOI
- https://doi.org/10.1021/acs.inorgchem.4c03287
- Citations
- 4
- Primary Topic
- Advanced Photocatalysis Techniques
- Type
- article
- Field-Weighted Citation Impact
- 0.41
Funders
- National Natural Science Foundation of China
- Natural Science Foundation of Jiangsu Province