Search Results - "Warman, J. M"

High-energy radiation monitoring based on radio-fluorogenic co-polymerization II: fixed fluorescent images of collimated x-ray beams using an RFCP gel by Warman, J M, Luthjens, L H, de Haas, M P

“…We have produced an optically clear, close to water-equivalent gel that is radio-fluorogenic, i.e. fluoresces in UV light after exposure to high-energy…”
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Record Charge Carrier Mobility in a Room-Temperature Discotic Liquid-Crystalline Derivative of Hexabenzocoronene by Craats, A. M. van de, Warman, J. M., Fechtenkötter, A., Brand, J. D., Harbison, M. A., Müllen, K.

“…The largest charge mobility yet for discotic materials has been achieved with a series of hexaalkyl‐substituted hexabenzocoronene derivatives (see Figure)…”
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The Core-Size Effect on the Mobility of Charge in Discotic Liquid Crystalline Materials by van de Craats, A. M., Warman, J. M.

“…The maximum one‐dimensional mobility of charge within the insulated cores of columnarly stacked discotic molecules increases with increasing size (the number…”
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The Mobility and Decay Kinetics of Charge Carriers in Pulse-Ionized Microcrystalline PCBM Powder by de Haas, M. P., Warman, J. M., Anthopoulos, T. D., de Leeuw, D. M.

“…The mobility and decay kinetics of charge carriers produced by nanosecond pulsed ionization of a microcrystalline powder sample of phenyl‐C61‐butyric acid…”
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The Negative Effect of High-Temperature Annealing on Charge-Carrier Lifetimes in Microcrystalline PCBM by Warman, J. M., de Haas, M. P., Anthopoulos, T. D., de Leeuw, D. M.

“…Annealing microcrystalline phenyl‐ C61‐butyric acid methyl ester (PCBM) above 100 °C results in the formation of hole traps. This is observed as an…”
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Aligned Thin Films of Discotic Hexabenzocoronenes: Anisotropy in the Optical and Charge Transport Properties by Piris, J., Debije, M. G., Stutzmann, N., Laursen, B. W., Pisula, W., Watson, M. D., Bjørnholm, T., Müllen, K., Warman, J. M.

“…The anisotropy in the optical absorption and photoconductivity of thin layers of mesomorphic derivatives of hexa‐peri‐hexabenzocoronene (HBC) have been…”
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High-energy radiation monitoring based on radio-fluorogenic co-polymerization. I: Small volume in situ probe by Warman, J M, de Haas, M P, Luthjens, L H

“…A method of radiation dosimetry is described which is based on the radiation-induced initiation of polymerization of a bulk monomer (e.g. methyl methacrylate)…”
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Optoelectronic Properties of Quasi-Linear, Self-Assembled Platinum Complexes: Pt-Pt Distance Dependence by Debije, M. G., de Haas, M. P., Warman, J. M., Fontana, M., Stutzmann, N., Kristiansen, M., Caseri, W. R., Smith, P., Hoffmann, S., Sølling, T. I.

“…Charge‐carrier mobilities of various self‐assembled platinum complexes were measured by time‐resolved microwave conductivity techniques in the temperature…”
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Mechanism of Charge Transport in Anisotropic Layers of a Phthalocyanine Polymer by Gattinger, P, Rengel, H, Neher, D, Gurka, M, Buck, M, van de Craats, A. M, Warman, J. M

“…Solid samples of phthalocyaninato-polysiloxanes (PcPS) have been analyzed by electrical dark conductivity experiments and by pulse-radiolysis time-resolved…”
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The Mobility and Decay Kinetics of Charge Carriers in Discotic Hexabenzocoronenes by Piris, J., Debije, M. G., Watson, M. D., Müllen, K., Warman, J. M.

“…The temperature dependence of the mobility and decay kinetics of charge carriers in discotic hexa‐peri‐hexabonzocoronene derivatives has been measured using…”
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Electrodeless Measurement of the In-Plane Anisotropy in the Photoconductivity of an Aligned Polyfluorene Film by Grozema, F. C., Savenije, T. J., Vermeulen, M. J. W., Siebbeles, L. D. A., Warman, J. M., Meisel, A., Neher, D., Nothofer, H.-G., Scherf, U.

“…Quantitative data on the in‐plane anisotropy of charge transportin an aligned polyfluorene (PF) film can be obtained thanks to the technique described in this…”
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Charge migration in supramolecular stacks of peripherally substituted porphyrins by Schouten, Pieter G, Warman, John M, de Haas, Matthijs P, Anne Fox, Marye, Pan, Horng-Long

“…The formation of supramolecular structures seems to be necessary to support and direct charge and energy migration in molecular electronic devices…”
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Predicting polarizabilities and lifetimes of excitons on conjugated polymer chains by van der Horst, J.-W., Bobbert, P.A., de Jong, P.H.L., Michels, M.A.J., Siebbeles, L.D.A., Warman, J.M., Gelinck, G.H., Brocks, G.

“…The properties of excitons on three different conjugated polymers in solution are investigated both experimentally and theoretically. The theoretical…”
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Fixed fluorescent images of an 80 MeV proton pencil beam by Warman, J M, de Haas, MP, Luthjens, L H, Denkova, A G, Kavatsyuk, O, van Goethem, M-J, Kiewiet, H H, Brandenburg, S

“…We have used an organic radio-fluorogenic gel to make fixed fluorescent images of the track of an 80 MeV proton pencil beam NB this is not a scintillation…”
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Stepwise versus Direct Long-Range Charge Separation in Molecular Triads by Willemse, R. J, Piet, J. J, Warman, J. M, Hartl, F, Verhoeven, J. W, Brouwer, A. M

“…Trifunctional electron donor−donor−acceptor molecules are described in which photoinduced charge separation, D2−D1−A* → D2−D1 +−A-, is followed by a charge…”
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Charge transport in mesomorphic derivatives of perylene by van de Craats, A.M., Warman, J.M., Schlichting, P., Rohr, U., Geerts, Y., Müllen, K.

“…Charge carrier mobilities have been measured in the solid and liquid crystalline phases of peripherally alkyl-chain substituted perylene derivatives using the…”
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The influence of chain-to-core coupling on the charge transport and mesomorphic properties of discotic materials by van de Craats, A.M., Warman, J.M.

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Photo-Induced Charge Separation in a Blend of Perylenediimide and Hexabenzocoronene Derivatives Studied by FP-TRMC by Piris, J., de Haas, M.P., Warman, J.M., Müllen, K., Fechtenkötter, A., van de Craats, A.M., Schmidt-Mende, L., Friend, R.H.

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Electrodeless measurement of photoconductivity in thin polymer films by Wegewijs, B., Piris, J., Dicker, G., Savenije, T.J., de Haas, M.P., Warman, J.M.

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Highly mobile electrons and holes on isolated chains of the semiconducting polymer poly(phenylene vinylene) by de Haas, Matthijs P, Hoofman, Romano J. O. M, Siebbeles, Laurens D. A, Warman, John M

“…The nature of the charge carriers in 'conducting' polymers is of considerable interest at present,, largely on the basis of the technological potential of…”
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