期刊
CHEMICAL COMMUNICATIONS
卷 -, 期 22, 页码 2278-2280出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/b700466d
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We found that a phenylene ethynylene derivative, 1,4-bis(4-(phenylethynyl)phenylethynyl)benzene (BPPB), provides very high photoluminescence efficiency both in solution (Phi(PL) = 95 +/- 3%) and thin films (Phi(PL) = 71 +/- 3%); further, we observed blue electroluminescence (EL) of lambda(EL (max)) similar to 470 and 510 nm with an external EL efficiency of eta(EL) similar to 0.53% and maximum luminance of similar to 70000 cd m(-2) at current density of similar to 2 A cm(-2) with BPPB as an emitter; also we identified that BPPB functions as a hole transport layer in organic light emitting diodes.
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