期刊
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
卷 12, 期 2, 页码 822-828出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpclett.0c03745
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类别
资金
- National Natural Science Foundation of China [91961120]
- National Key R&D Program of China [2017YFB0701600]
- Innovative and Entrepreneurial Doctor (World-Famous Universities) in Jiangsu Province
- Talent in Demand in the city of Suzhou
- Collaborative Innovation Center of Suzhou Nano Science Technology
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
- 111 Project
- Joint International Research Laboratory of Carbon-based Functional Materials and Devices
In this study, a series of integrated CsPbBr3-CsPbCl3 heterostructures were designed to explore their catalytic capability for photocatalytic water splitting. The researchers found a connection between dopant atoms and catalytic performance, and proposed a new descriptor. The CsPbBr3:Ni-CsPbCl3:Co system showed promising potential for overall water splitting and better photocatalytic performance.
Photocatalytic water splitting has always been a field where breakthroughs are expected to solve energy and environmental problems. However, current catalysts suffer from low activity in mismatched catalytic environments and high cost. Herein, we designed a series of integrated CsPbBr3-CsPbCl3 heterostructures to explore their catalytic capability. Based on extensive calculations, we discovered the inner connection between dopant atoms and the catalytic performance and proposed a new descriptor by applying the Least Absolute Shrinkage and Selection Operator (LASSO) analysis. After systematic screening, the CsPbBr3:Ni-CsPbCl3:Co system is found to be promising for single-catalyst overall water splitting under the same environment. Furthermore, a smaller bandgap that covers the redox potential of water splitting suggests the capability for photocatalysis. Besides, the CsPbBr3:Ni-CsPbCl3:Co system bulk-doped by Co could conduct the photocatalysis with better performance.
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