Cross Dipole Stacking in the Crystal of Distyrylbenzene Derivative: The Approach toward High Solid-State Luminescence Efficiency
Journal of the American Chemical Society2005Vol. 127(41), pp. 14152–14153
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Zengqi Xie, Bing Yang, Feng Li, Gang Cheng, Linlin Liu, Guang-Di Yang, Hai Xu, Ling Ye, Muddasir Hanif, Shiyong Liu, Dongge Ma, Yuguang Ma
Abstract
Through adding two substituent phenyl groups on distyrylbenzene, we have obtained the cross stacking of 2,5-diphenyl-1,4-distyrylbenzene with two trans double bonds (trans-DPDSB) in crystalline state. In such a cross-stacking mode, the solid-state emission exhibits high-intensity, having characteristics similar to its single molecule. The organic light-emiiting diodes (OLEDs) with attractive performance have been achieved using trans-DPDSB as a light-emitting layer, and the amplified spontaneous emission of the needlelike crystals has been observed.
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