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Photoluminescence Properties of Excited-State Intramolecular Proton Transfer Dye-Containing Polymer and Their Control by Microcavity Structure
G.J. Lee, Y.P. Lee, S.-H Choi, B.Y. Jung, C.K. Hwangbo, J. Seo, S. Kim and S.Y. Park

We investigated the photoluminescence (PL) properties of the excited-state intramolecular proton transfer (ESIPT) dye [SOX] embedded in rigid polymer [PMMA]. The PL spectra were obtained as a function of the sample temperature. For both microcavity structures that use ESIPT dye-containing polymer as emissive material, we observed the PL enhancement having a higher PL and a narrower line-width when compared with that of noncavity LED.

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