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Formation of a NIR emitting Ag34S3SBB20(CF3COO)62+ cluster from a hydride protected silver cluster

Abstract

Recent reports showed that intercluster reaction is a new synthetic strategy to make alloy clusters. In this work, we have performed an intercluster reaction between silver clusters and produced a highly ionizable Ag-S type cluster, which made their formation examined by mass spectrometry. [Ag18(TPP)10H22]2+ (Ag18), a highly reactive hydride and phosphine protected silver cluster was used as sacrificial cluster in this synthesis. An intercluster reaction between Ag18 and smaller silver-chalcogenolate clusters (SCC) resulted in a new cluster, [Ag34S3SBB20(CF3COO)6]2+. Cluster showed NIR emission around 1100 nm. The cluster composition was confirmed by high-resolution electrospray ionization mass spectrometry (ESI MS), thermogravimetry (TGA), and X-ray photoelectron spectroscopy (XPS).

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Supplementary files

Publication details

The article was received on 10 Apr 2019, accepted on 09 May 2019 and first published on 09 May 2019


Article type: Paper
DOI: 10.1039/C9DT01533G
Dalton Trans., 2019, Accepted Manuscript

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    Formation of a NIR emitting Ag34S3SBB20(CF3COO)62+ cluster from a hydride protected silver cluster

    C. K. Manju, D. Ghosh, M. Bodiuzzaman and T. Pradeep, Dalton Trans., 2019, Accepted Manuscript , DOI: 10.1039/C9DT01533G

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