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Amplified Spontaneous Emission and Electroluminescence from Thiophene/Phenylene Co‐Oligomer‐Doped p ‐bis( p ‐Styrylstyryl)Benzene Crystals
Author(s) -
Nakanotani Hajime,
Adachi Chihaya
Publication year - 2013
Publication title -
advanced optical materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.89
H-Index - 91
ISSN - 2195-1071
DOI - 10.1002/adom.201200066
Subject(s) - electroluminescence , materials science , doping , amplified spontaneous emission , benzene , ambipolar diffusion , biphenyl , phenylene , thiophene , optoelectronics , photochemistry , polymer , optics , organic chemistry , nanotechnology , chemistry , physics , laser , plasma , layer (electronics) , quantum mechanics , composite material
Enhanced amplified spontaneous emission (ASE) properties are demonstrated in dye‐doped organic solid‐state crystals. Optically pumped ASE with a low threshold (3 μJ cm ‐2 ) is obtained from α,ω‐di(biphenyl)‐ ter thiophene (BP3T)‐doped p ‐bis( p ‐styrylstyryl)benzene crystals; ∼3 times lower than that of BP3T single crystals. The doped crystals show ambipolar charge‐carrier transport, resulting in bright electroluminescence from the crystal edge under electrical pumping.