An intensely and oxygen independent phosphorescent gold(I)–silver(I) complex: “trapping” an Au8Ag10 oligomer by two gold-alkynyl-diphosphine molecules

Igor O. Koshevoy; Yi-Chih Lin; Antti J. Karttunen; Matti Haukka; Pi-Tai Chou; Sergey P. Tunik; Tapani A. Pakkanen

doi:10.1039/B901893J

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An intensely and oxygen independent phosphorescent gold(i)–silver(i) complex: “trapping” an Au₈Ag₁₀ oligomer by two gold-alkynyl-diphosphine molecules†

Igor O. Koshevoy,*^a Yi-Chih Lin,^b Antti J. Karttunen,^a Matti Haukka,^a Pi-Tai Chou,*^b Sergey P. Tunik^c and Tapani A. Pakkanen*^a

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* Corresponding authors

^a University of Joensuu, Joensuu, Finland
E-mail: igor.koshevoy@joensuu.fi; tapani.pakkanen@joensuu.fi
Fax: +358 13 2513390
Tel: +358 13 2513326

^b National Taiwan University, Taipei 106, Taiwan
E-mail: chop@ntu.edu.tw
Fax: +886 2 23695208
Tel: +886 2 23630231

^c St.-Petersburg State University, Universitetskii pr. 26 198504, St.-Petersburg, Russia

Abstract

The molecular heterometallic [{Au₈Ag₁₀(C₂Ph)₁₆}{(PhC₂Au)₂PPh₂(C₆H₄)₃PPh₂}₂]²⁺ aggregate of unprecedented topology was obtained and structurally characterized; this compound demonstrates unusually effective phosphorescence, which displays negligible oxygen quenching due to shielding of emissive central cluster by the outer shell of the molecule.

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Article information

DOI: https://doi.org/10.1039/B901893J
Article type: Communication
Submitted: 29 Jan 2009
Accepted: 24 Feb 2009
First published: 30 Mar 2009

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Chem. Commun., 2009, 2860-2862

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An intensely and oxygen independent phosphorescent gold(I)–silver(I) complex: “trapping” an Au₈Ag₁₀ oligomer by two gold-alkynyl-diphosphine molecules

I. O. Koshevoy, Y. Lin, A. J. Karttunen, M. Haukka, P. Chou, S. P. Tunik and T. A. Pakkanen, Chem. Commun., 2009, 2860 DOI: 10.1039/B901893J

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Chemical Communications