Journal
ADVANCED MATERIALS
Volume 21, Issue 3, Pages 355-360Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.200800748
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Funding
- National Natural Science Foundation of China [60325412, 90406021, 50428303]
- NUPT Foundation [NY207040]
- Commission of the European Community [FP6-IST-026365]
- British Petroleum International
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High solid-state quantum efficiency (Phi(PL) approximate to 0.90) materials with attractive properties for OLED and laser applications are reported. Our results show that long fluorene chain-lengths are not a necessary prerequisite for efficient solid-state luminescence. Isolated-molecule-like solid-state emission, stable pure-deep-blue electroluminescence, and low-threshold lasing (lambda(laser) = 437 nm, E-th(laser) approximate to 0.4 nJ/pulse, 1.3 mu J cm(-2)) are demonstrated.
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