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Monitoring the growth of Ag–S clusters through crystallization of intermediate clusters

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Abstract

We report a series of Ag–S nanoscale clusters in an attempt to understand the growth process of Ag2S clusters. UV-vis monitoring and crystallization at different stages of the reaction map out the cluster growth steps from Ag31S3(StBu)17(tfa)8(MeCN)4 (tfa = trifluoroacetate), to Ag45S7(StBu)24(tfa)7 to [Ag62S13(StBu)32(tfa)2](tfa)2, showing sequential eye-catching color changes. The cluster growth is associated with the in situ generation of S2−, which comes from the C–S bond cleavage of tert-butyl thiolate.

Graphical abstract: Monitoring the growth of Ag–S clusters through crystallization of intermediate clusters

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Publication details

The article was received on 07 May 2019, accepted on 14 May 2019 and first published on 14 May 2019


Article type: Communication
DOI: 10.1039/C9CC03533H
Chem. Commun., 2019, Advance Article

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    Monitoring the growth of Ag–S clusters through crystallization of intermediate clusters

    Z. Nan, Y. Xiao, X. Liu, T. Wang, X. Cheng, Y. Yang, Z. Lei and Q. Wang, Chem. Commun., 2019, Advance Article , DOI: 10.1039/C9CC03533H

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