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Enhanced Photoluminescence Emission and Thermal Stability in Pt1Ag31 nanocluster from Introduced Secondary Phosphine
Zhuoyuan Li1, Chuanjun Zhou1, Kaiyang Kuang1
1Institutes of Physical Science and Information Technology, Key Laboratory of Structure and Function-al Regulation of Hybrid Materials of Ministry of Education, Department of Chemistry and Centre for Atomic Engineering of Advanced Materials Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials, Anhui University, Hefei, Anhui, 230601 (P. R., China.
Abstract:
Surface ligands significantly influence the optical properties and stability of metal nanoclusters. In this study, we synthesized [Pt1Ag31(S-Adm)16(DPPM)3(DPPMO)Cl3](SbF6)4 (Pt1Ag31-DPPMO). Compared to [Pt1Ag31(S-Adm)16(DPPM)3Cl3](SbF6)4 (Pt1Ag31), the introduction of secondary phosphine oxide ligand, DPPMO, results in Pt1Ag31-DPPMO exhibiting enhanced photoluminescent properties in both solution and solid states, as well as improved stability and electron-withdrawing ability. This work presents a novel strategy to regulate the properties of metal nanoclusters, especially enhancing photoluminescence performance and stability, through the incorporation of secondary phosphine oxide ligand.
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