Near-infrared luminescence AgPd alloy superatomic clusters

IF 6.1 1区 化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR Inorganic Chemistry Frontiers Pub Date : 2024-12-24 DOI:10.1039/d4qi02655a
Xiao-Hong Ma, Jian-Hua Qin, Fei-Fan Wang, Peng Luo, Xi-Yan Dong
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Abstract

Atomically precise superatomic nanoclusters have attracted considerable interest due to their remarkable structures and intriguing photoluminescence properties. Nevertheless, achieving a high photoluminescence quantum yield (PLQY) in the near-infrared (NIR) region of superatomic nanoclusters continues to pose a considerable challenge. Here, we report a novel bimetallic nanocluster prepared utilizing an alloying strategy, formulated as [Ag14Pd(PFBT)6(TPP)8](TPP) (abbreviated as Ag14Pd). Notably, this cluster demonstrates a remarkable NIR emission, achieving a PLQY of 15% in the solid state, which is rare for metal nanoclusters. Both experimental and theoretical analyses indicate that Ag14Pd exhibits a characteristic 8-electron superatomic structure with a 1S21P6 electronic shell closure. Furthermore, due to their bright luminescence and exceptional photostability, Ag14Pd clusters hold promising potential for applications as NIR inks for three-dimensional (3D) printing of various objects and models.

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来源期刊
Inorganic Chemistry Frontiers
Inorganic Chemistry Frontiers CHEMISTRY, INORGANIC & NUCLEAR-
CiteScore
10.40
自引率
7.10%
发文量
587
审稿时长
1.2 months
期刊介绍: The international, high quality journal for interdisciplinary research between inorganic chemistry and related subjects
期刊最新文献
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