Journal
INORGANIC CHEMISTRY FRONTIERS
Volume 9, Issue 17, Pages 4548-4553Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2qi01085b
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Funding
- National Natural Science Foundation of China [21874020]
- Key Project of Natural Science Foundation of Fujian Province [2020J02038]
- National Science Foundation for Distinguished Young Scholars of Fujian Province [2020J06019]
- Program for Fujian Youth Talent Support Project [2019B016]
- Program for Fujian Top-Notch Innovative Personnel (Fujian Commission Talent [2018]) [5]
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A facile aqueous synthesis method was developed for ligand-free cesium lead halide perovskite nanoplatelets, showing good environmental stability and excellent photoresponse.
Herein, we have developed a method for the facile aqueous synthesis of ligand-free cesium lead halide perovskite nanoplatelets with pure CsPb2Br5. The ligand-free CsPb2Br5 nanoplatelets showed good environmental stability with green and easy synthesis. In addition to their demonstrated good stability in aqueous solutions, and enhanced charge separation and charge transportability, the CsPb2Br5 nanoplatelets exhibited an excellent photoresponse, particularly, with a photocurrent density of 8.38 mu A cm(-2) in an aqueous solution under 10.18 mW cm(-2) light irradiation in the absence of other electron acceptors.
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