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- W4361217704 abstract "Gold nanoclusters (AuNCs) with ultrasmall size have attracted enormous interest due to their unique luminescent properties. Especially, luminescent AuNCs-based hydrogel with three-dimensional (3D) structures is valuable. Herein, hydrogel with effective enhancement of emission (QY increased from 0.45% to 14.6%) is reported through the co-assembly of AuNCs stabilized by 4,6-diamino-2-pyrimidinethiol (DPT) with citric acid (CA) and Al3+. With the formation of hydrogel, the microstructures of DPT-AuNCs changed from nanofibers into microdisks. X-ray photoelectron spectroscopy (XPS), photoluminescence (PL) spectra and Fourier transform infrared (FT-IR) reveal that CA is crucial for the emission enhancement of NCs and Al3+ is benefit for the gelation of NCs. Furthermore, the obtained luminescent hydrogel could be used as a selective sensor for Fe3+/ascorbic acid (AA) through the “switch off/on” of luminescence and may find an application in information security. This study offers a convenient strategy for building AuNCs-based luminescent hydrogel through co-assembly method, and presents potential applications as functional materials." @default.
- W4361217704 created "2023-03-31" @default.
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- W4361217704 date "2023-06-01" @default.
- W4361217704 modified "2023-10-16" @default.
- W4361217704 title "Luminescence enhancement of gold nanoclusters hydrogel through co-assembly strategy and its application for detection" @default.
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- W4361217704 doi "https://doi.org/10.1016/j.molliq.2023.121718" @default.
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