The luminescence quantum yield is dramatically increased upon going from films to dilute blends or solutions of a soluble phenylenevinylene polymer. Nevertheless, direct measurements of the decay dynamics of the emissive excitons show that their lifetimes are not very different. Separation of the polymer chains suppresses interchain exciton formation, which otherwise competes favorably with the generation of emissive intrachain excitons in films. We discuss the consequences for the design of polymeric systems for optoelectronics.
机构:
UNIV CALIF SANTA BARBARA,INST POLYMERS & ORGAN SOLIDS,SANTA BARBARA,CA 93106UNIV CALIF SANTA BARBARA,INST POLYMERS & ORGAN SOLIDS,SANTA BARBARA,CA 93106
SMILOWITZ, L
HEEGER, AJ
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UNIV CALIF SANTA BARBARA,INST POLYMERS & ORGAN SOLIDS,SANTA BARBARA,CA 93106UNIV CALIF SANTA BARBARA,INST POLYMERS & ORGAN SOLIDS,SANTA BARBARA,CA 93106
机构:
UNIV CALIF SANTA BARBARA, CTR QUANTIZED ELECTR STRUCT, SANTA BARBARA, CA 93106 USAUNIV CALIF SANTA BARBARA, CTR QUANTIZED ELECTR STRUCT, SANTA BARBARA, CA 93106 USA
SMILOWITZ, L
HAYS, A
论文数: 0引用数: 0
h-index: 0
机构:
UNIV CALIF SANTA BARBARA, CTR QUANTIZED ELECTR STRUCT, SANTA BARBARA, CA 93106 USAUNIV CALIF SANTA BARBARA, CTR QUANTIZED ELECTR STRUCT, SANTA BARBARA, CA 93106 USA
HAYS, A
HEEGER, AJ
论文数: 0引用数: 0
h-index: 0
机构:
UNIV CALIF SANTA BARBARA, CTR QUANTIZED ELECTR STRUCT, SANTA BARBARA, CA 93106 USAUNIV CALIF SANTA BARBARA, CTR QUANTIZED ELECTR STRUCT, SANTA BARBARA, CA 93106 USA
HEEGER, AJ
WANG, G
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h-index: 0
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UNIV CALIF SANTA BARBARA, CTR QUANTIZED ELECTR STRUCT, SANTA BARBARA, CA 93106 USAUNIV CALIF SANTA BARBARA, CTR QUANTIZED ELECTR STRUCT, SANTA BARBARA, CA 93106 USA
WANG, G
BOWERS, JE
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h-index: 0
机构:
UNIV CALIF SANTA BARBARA, CTR QUANTIZED ELECTR STRUCT, SANTA BARBARA, CA 93106 USAUNIV CALIF SANTA BARBARA, CTR QUANTIZED ELECTR STRUCT, SANTA BARBARA, CA 93106 USA
机构:
UNIV CALIF SANTA BARBARA,INST POLYMERS & ORGAN SOLIDS,SANTA BARBARA,CA 93106UNIV CALIF SANTA BARBARA,INST POLYMERS & ORGAN SOLIDS,SANTA BARBARA,CA 93106
SMILOWITZ, L
HEEGER, AJ
论文数: 0引用数: 0
h-index: 0
机构:
UNIV CALIF SANTA BARBARA,INST POLYMERS & ORGAN SOLIDS,SANTA BARBARA,CA 93106UNIV CALIF SANTA BARBARA,INST POLYMERS & ORGAN SOLIDS,SANTA BARBARA,CA 93106
机构:
UNIV CALIF SANTA BARBARA, CTR QUANTIZED ELECTR STRUCT, SANTA BARBARA, CA 93106 USAUNIV CALIF SANTA BARBARA, CTR QUANTIZED ELECTR STRUCT, SANTA BARBARA, CA 93106 USA
SMILOWITZ, L
HAYS, A
论文数: 0引用数: 0
h-index: 0
机构:
UNIV CALIF SANTA BARBARA, CTR QUANTIZED ELECTR STRUCT, SANTA BARBARA, CA 93106 USAUNIV CALIF SANTA BARBARA, CTR QUANTIZED ELECTR STRUCT, SANTA BARBARA, CA 93106 USA
HAYS, A
HEEGER, AJ
论文数: 0引用数: 0
h-index: 0
机构:
UNIV CALIF SANTA BARBARA, CTR QUANTIZED ELECTR STRUCT, SANTA BARBARA, CA 93106 USAUNIV CALIF SANTA BARBARA, CTR QUANTIZED ELECTR STRUCT, SANTA BARBARA, CA 93106 USA
HEEGER, AJ
WANG, G
论文数: 0引用数: 0
h-index: 0
机构:
UNIV CALIF SANTA BARBARA, CTR QUANTIZED ELECTR STRUCT, SANTA BARBARA, CA 93106 USAUNIV CALIF SANTA BARBARA, CTR QUANTIZED ELECTR STRUCT, SANTA BARBARA, CA 93106 USA
WANG, G
BOWERS, JE
论文数: 0引用数: 0
h-index: 0
机构:
UNIV CALIF SANTA BARBARA, CTR QUANTIZED ELECTR STRUCT, SANTA BARBARA, CA 93106 USAUNIV CALIF SANTA BARBARA, CTR QUANTIZED ELECTR STRUCT, SANTA BARBARA, CA 93106 USA