Syntheses and luminescence studies of mixed-metal gold(i)–copper(i) and –silver(i) alkynyl complexes. The 'turning-on' of emission upon d10 metal ion encapsulation

Autor:	Kung-Kai Cheung, Eddie Chung-Chin Cheng, Vivian Wing-Wah Yam, Kai-Leung Cheung, Nianyong Zhu
Rok vydání:	2003
Předmět:	Inorganic Chemistry Metal Mixed metal Chemistry visual_art Inorganic chemistry visual_art.visual_art_medium Physical chemistry chemistry.chemical_element Crystal structure Luminescence Copper Ion
Zdroj:	Dalton Transactions. :1830-1835
ISSN:	1477-9234 1477-9226
DOI:	10.1039/b211909a
Popis:	Reaction of the gold(I) alkynyl precursor complexes, [(R3P)Au{CCC(CH2)Me}] (R = Ph 1, p-Tol 2) and [(μ-dppf)Au2{CCC(CH2)Me}2] 3, with copper(I) or silver(I) ions led to the formation of a series of luminescent η2-alkynyl mixed-metal complexes, [{η2- (R3P)Au{CCC(CH2)Me}}2Cu]PF6 (R = Ph 4, p-Tol 5) and [(μ-dppf)Au2{η2-CCC(CH2)Me}2M]X (M = Cu, X = PF66; M = Ag, X = OTf 7). The X-ray crystal structures of 1 and 3 have been determined. The photophysical properties of the complexes have been investigated. Coordination of 1–3 as metalloligands to copper(I) and silver(I) ions to afford the respective complexes 4–7 has been demonstrated to be a versatile means to perturb the emission properties. The luminescence behaviour of 3 has been “turned on” upon copper(I) or silver(I) encapsulation in 6 and 7.
Databáze:	OpenAIRE
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