Mechanism of one- and two-photon absorption induced photoluminescence in PPV type, electroluminescent polymer

We report the luminescence properties in a poly(phenylenevinylene) derivative with the carbazole pendent and alkoxy group (CzEH-PPV). The two-photon excitation spectrum showed that the threshold energy (2ℏω=2.64 eV) of two-photon absorption (TPA) is larger than that (2.34 eV) expected by one-photon...

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Bibliographic Details
Published in:	Optics communications Vol. 203; no. 1; pp. 151 - 157
Main Authors:	Joon Lee, Geon, Kim, Kyungkon, Jin, Jung-Il
Format:	Journal Article
Language:	English
Published:	Amsterdam Elsevier B.V 01-03-2002 Elsevier Science
Subjects:	Applied sciences CzEH-PPV Electrical, magnetic and optical properties Electroluminescence Exact sciences and technology Exciton lifetime Organic polymers Photoluminescence excitation Physicochemistry of polymers Properties and characterization Selection rule Spectrally narrowed emission Two-photon absorption Spectrally narrowed emission CzEH-PPV Photoluminescence excitation Two-photon absorption Electroluminescence Selection rule Exciton lifetime Exciton Photoluminescence Photoinduced effect Phenylenevinylene derivative polymer Experimental study Mechanism Luminescence decay Conjugated polymer Lifetime Optical properties Carbazole derivative polymer Excitation spectrum Two photon absorption
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