From red to near infra-red OLEDs: the remarkable effect of changing from X = -Cl to -NCS in a cyclometallated [Pt(N^C^N)X] complex {N^C^N = 5-mesityl-1,3-di-(2-pyridyl)benzene} |
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Authors: | Rossi Ester Colombo Alessia Dragonetti Claudia Roberto Dominique Demartin Francesco Cocchi Massimo Brulatti Pierpaolo Fattori Valeria Williams J A Gareth |
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Institution: | Dip.CIMA L. Malatesta, via Venezian 21, 20133 Milano, Italy. |
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Abstract: | PtL(6)X] {X = Cl or NCS and L(6) = 5-mesityl-1,3-di(2-pyridyl)-benzene} display similar luminescence in solution but, in the solid state, the packing of the molecules is different, with short PtPt interactions for X = NCS, leading to a red-shifted emission band. The effect has been used to generate OLEDs that emit squarely in the NIR region (855 nm). |
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