Search Results - "Guentner, R"

The Effect of Keto Defect Sites on the Emission Properties of Polyfluorene-Type Materials by List, E.J.W., Guentner, R., Scanducci de Freitas, P., Scherf, U.

“…Keto defect sites play a key role as the source of low‐energy emission bands in polyfluorene type materials. The formation of fluorenone defect sites can be…”
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The influence of keto defects on photoexcitation dynamics in polyfluorene by Romaner, L., Piok, T., Gadermaier, C., Guentner, R., Scandiucci de Freitas, P., Scherf, U., Cerullo, G., Lanzani, G., List, E.J.W.

“…The optical properties of two differently substituted types of polyfluorenes, 9-monoalkylated PF (mono-PF) and 9,9-dialkylated PF (bi-PF) where studied by…”
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Pressure dependent radiative quantum yields of the prompt and delayed luminescence of polyfluorene films by Rothe, C, Hintschich, S.I, Pålsson, L.-O, Monkman, A.P, Guentner, R, Scherf, U

“…We have measured the prompt and delayed fluorescence and the phosphorescence quantum yields (PLQYs) of thin spin coated films of the conjugated polymer…”
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Self-absorption effects in a LEC with low Stokes shift by Wenzl, F.P, Pachler, P, List, E.J.W, Somitsch, D, Knoll, P, Patil, S, Guentner, R, Scherf, U, Leising, G

“…The electroluminescence spectra both in forward and reverse directions of a light-emitting electrochemical cell prepared from a methyl-substituted ladder-type…”
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Novel approaches to polymer blends based on polymer nanoparticles by Neher, Dieter, Landfester, Katharina, Scherf, Ullrich, Kietzke, Thomas, Montenegro, Rivelino, Güntner, Roland

“…Polymer layers can exhibit significantly improved performances if they possess a multicomponent phase-separated morphology. We present two approaches to…”
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Effect of temperature and pressure on the optical properties of polyfluorene by Martin, C.M., Guha, S., Chandrasekhar, M., Chandrasekhar, H.R., Guentner, R., Scandiucci de Freitas, P., Scherf, U.

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The role of keto defect sites for the emission properties of polyfluorene-type materials by List, Emil J.W, Gaal, M, Guentner, Roland, de Freitas, Patricia Scandiucci, Scherf, Ullrich

“…In this paper we report on the identification of a dominant degradation mechanism of blue light emitting polyfluorene (PFs) type polymers, which turns the…”
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Influence of molecular weight on the phase behavior and structure formation of branched side-chain hairy-rod polyfluorene in bulk phase by Knaapila, M, Stepanyan, R, Torkkeli, M, Lyons, B P, Ikonen, T P, Almásy, L, Foreman, J P, Serimaa, R, Güntner, R, Scherf, U, Monkman, A P

“…We report on an experimental study of the self-organization and phase behavior of hairy-rod pi -conjugated branched side-chain polyfluorene,…”
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Effect of temperature and pressure on the optical properties of polyfluorene by MARTIN, C. M, GUHA, S, CHANDRASEKHAR, M, CHANDRASEKHAR, H. R, GUENTNER, R, SCANDIUCCI DE FREITAS, P, SCHERF, U

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Hydrostatic pressure dependence of the luminescence and Raman frequencies in polyfluorene by Martin, C. M, Guha, S, Chandrasekhar, M, Chandrasekhar, H. R, Guentner, R, de Freitas, P. Scanduicci, Scherf, U

“…We present studies of the photoluminescence (PL), absorption and Raman scattering from poly[2,7-(9,9'-bis(2-ethylhexyl))fluorene] under hydrostatic pressures…”
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Temperature dependent photoluminescence of organic semiconductors with varying backbone conformation by Guha, S, Rice, J. D, Yau, Y. T, Martin, C. M, Chandrasekhar, M, Chandrasekhar, H. R, Guentner, R, de Freitas, P. Scandiucci, Scherf, U

“…We present photoluminescence studies as a function of temperature from a series of conjugated polymers and a conjugated molecule with distinctly different…”
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