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A gas-phase synthesis of Ag-centered phenylenediamine clusters

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Abstract

Small Agn+ clusters were prepared using a customized magnetron sputtering (MagS) cluster source, and their reactions with aromatic amine molecules were observed using a reflection time-of-flight mass spectrometer (TOF-MS). Interestingly, it was found that o-phenylenediamine (OPD) and m-phenylenediamine (MPD) readily reacted with the small Agn+ (n = 1–3) clusters, resulting in the formation of [Ag(OPD)1–2]+ and [Ag(MPD)1–3]+ complexes. In contrast, p-phenylenediamine (PPD) was relatively inert with reaction products rarely being observed. Employing DFT calculations, we illustrated the altered electrostatic interaction distribution and orbital overlap correlation, which account for the diversity in forming N–Ag+–N complexes or simply hosting a metal ion around the aromatic ring. Further, utilizing the soft-landing deposition technique, we prepared mass-selected cluster deposits and conducted a Raman spectroscopic study.

Graphical abstract: A gas-phase synthesis of Ag-centered phenylenediamine clusters

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Article information


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

J. Mater. Chem. C, 2020, Advance Article
Article type
Paper

A gas-phase synthesis of Ag-centered phenylenediamine clusters

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

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