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  • Title: Synthesis and Optical Properties of Unique Pt1Ag24 Nanoclusters with Mixed Exterior Motif Structures.
    Author: Lin X, Fu X, Yang Y, Ren X, Tang J, Liu C, Huang J.
    Journal: Inorg Chem; 2021 Jul 19; 60(14):10167-10172. PubMed ID: 34236847.
    Abstract:
    The atomic arrangement of metal nanoclusters plays a significant role in the structure-property correlation. Herein, we present a novel Pt1Ag24(SR)16(PPh3)3 nanocluster with a unique structure, different from two reported Pt1Ag24 nanoclusters. The nanocluster was prepared via one-pot synthesis and solvent extraction. It has a centered icosahedral Pt1Ag12 kernel and an open shell composed of three Ag2(SR)3(PPh3) staple motifs and a unique trefoil-like Ag6(SR)7 motif. The three kinds of Pt1Ag24 nanoclusters have the same kernel but different shell configurations. The fine-tuning of structures is necessary and significant for the investigation of the relationship of structures and properties. The different UV-vis absorption spectra indicate that the optical properties of three Pt1Ag24 nanoclusters mainly depend on the exterior shell configuration and the metal-ligand interface. This work provides insights toward growth mechanism and the structure-property correlation of metal nanoclusters.
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