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- W2799851888 abstract "Abstract Recently, loading ligand-protected gold (Au) clusters as visible light photosensitizers onto various supports for photoredox catalysis has attracted considerable attention. However, the efficient control of long-term photostability of Au clusters on the metal-support interface remains challenging. Herein, we report a simple and efficient method for enhancing the photostability of glutathione-protected Au clusters (Au GSH clusters) loaded on the surface of SiO 2 sphere by utilizing multifunctional branched poly-ethylenimine (BPEI) as a surface charge modifying, reducing and stabilizing agent. The sequential coating of thickness controlled TiO 2 shells can further significantly improve the photocatalytic efficiency, while such structurally designed core-shell SiO 2 -Au GSH clusters-BPEI@TiO 2 composites maintain high photostability during longtime light illumination conditions. This joint strategy via interfacial modification and composition engineering provides a facile guideline for stabilizing ultrasmall Au clusters and rational design of Au clusters-based composites with improved activity toward targeting applications in photoredox catalysis." @default.
- W2799851888 created "2018-05-17" @default.
- W2799851888 creator A5026347224 @default.
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- W2799851888 date "2018-04-18" @default.
- W2799851888 modified "2023-10-16" @default.
- W2799851888 title "Stabilizing ultrasmall Au clusters for enhanced photoredox catalysis" @default.
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- W2799851888 doi "https://doi.org/10.1038/s41467-018-04020-2" @default.
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