Octanuclear gold(I) alkynyl-diphosphine clusters showing thermochromic luminescence |
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| Authors: | Koshevoy Igor O Lin Chia-Li Karttunen Antti J Haukka Matti Shih Chun-Wei Chou Pi-Tai Tunik Sergey P Pakkanen Tapani A |
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| Institution: | University of Eastern Finland, Joensuu, 80101, Finland. igor.koshevoy@uef.fi |
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| Abstract: | The unprecedented, purely gold(I) alkynyl-diphosphine clusters 1-3 demonstrate intense room-temperature phosphorescence with maximum quantum efficiency of 92% in solution (3) and 86% in solid (2) and thermally dependent emission in the crystalline form, attributed to the crystal lattice arrangement. |
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