A simple one-pot method for the preparation of subnanometre-size benzotriazolate (BTA) protected copper clusters, CunBTAm, is reported. The clusters were analyzed by optical and infrared spectroscopy, mass spectrometry and transmission electron microscopy together with computational methods. We suggest a structural motif where the copper core of the CunBTAm clusters is protected by BTA–Cu(I)–BTA units.
Nanoscale
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