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Gas-phase synthesis of Ag-centered phenylenediamine clusters

Abstract

Small Agn+ clusters are prepared by a customized magnetron sputtering (MagS) cluster source, on which we observe their reactions with aromatic amine molecules by a reflection time-of-flight mass spectrometer (TOF-MS). It is interestingly found that, o-phenylenediamine (OPD) and m-phenylenediamine (MPD) readily react with the small Agn+ (n=1-3) clusters resulting in [Ag(OPD)1-2]+ and [Ag(MPD)1-3]+ complexes. In contrast, p-phenylenediamine (PPD) is relatively alert with rare reaction products being observed. Employing DFT calculations, we illustrate the diverse electrostatic interaction distribution and orbital overlap corelation which accounts for the diversity in forming N-Ag+-N complexes or simply hosting a metal ion around the aromatic ring. Further, utilizing soft-landing deposition technique, we have prepared mass-selected cluster deposits and conducted a Raman spectroscopic study.

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Supplementary files

Article information


Submitted
12 May 2020
Accepted
22 Jun 2020
First published
25 Jun 2020

J. Mater. Chem. C, 2020, Accepted Manuscript
Article type
Paper

Gas-phase synthesis of Ag-centered phenylenediamine clusters

M. Guo, B. Yin, B. Huang, H. Wu and Z. Luo, J. Mater. Chem. C, 2020, Accepted Manuscript , DOI: 10.1039/D0TC02296A

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