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Room-temperature preparation of nanocrystalline TiO2 films and the influence of surface properties on dye-sensitized solar energy conversion.

The journal of physical chemistry. B

Zhang D, Downing JA, Knorr FJ, McHale JL.
PMID: 17064155
J Phys Chem B. 2006 Nov 02;110(43):21890-8. doi: 10.1021/jp0640880.

An extremely easy method is presented for producing surfactant-free films of nanocrystalline TiO2 at room temperature with excellent mechanical stability when deposited on glass or plastic electrodes for dye-sensitized solar energy conversion. Prolonged magnetic stirring of commercial TiO2 nanoparticles...

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Zhang D, Downing JA, Knorr FJ, et al. Room-temperature preparation of nanocrystalline TiO2 films and the influence of surface properties on dye-sensitized solar energy conversion. J Phys Chem B. 2006;110(43):21890-8doi: 10.1021/jp0640880.
Zhang, D., Downing, J. A., Knorr, F. J., & McHale, J. L. (2006). Room-temperature preparation of nanocrystalline TiO2 films and the influence of surface properties on dye-sensitized solar energy conversion. The journal of physical chemistry. B, 110(43), 21890-8. https://doi.org/10.1021/jp0640880
Zhang, Dongshe, et al. "Room-temperature preparation of nanocrystalline TiO2 films and the influence of surface properties on dye-sensitized solar energy conversion." The journal of physical chemistry. B vol. 110,43 (2006): 21890-8. doi: https://doi.org/10.1021/jp0640880
Zhang D, Downing JA, Knorr FJ, McHale JL. Room-temperature preparation of nanocrystalline TiO2 films and the influence of surface properties on dye-sensitized solar energy conversion. J Phys Chem B. 2006 Nov 02;110(43):21890-8. doi: 10.1021/jp0640880. PMID: 17064155.
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Impact of Coulomb scattering on the ultrafast gain recovery in InGaAs quantum dots.

Physical review letters

Gomis-Bresco J, Dommers S, Temnov VV, Woggon U, Laemmlin M, Bimberg D, Malic E, Richter M, Schöll E, Knorr A.
PMID: 19113738
Phys Rev Lett. 2008 Dec 19;101(25):256803. doi: 10.1103/PhysRevLett.101.256803. Epub 2008 Dec 16.

The application of quantum dot (QD) semiconductor optical amplifiers (SOAs) in above 100-Gbit Ethernet networks demands an ultrafast gain recovery on time scales similar to that of the input pulse approximately 100 GHz repetition frequency. Microscopic scattering processes have...

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Gomis-Bresco J, Dommers S, Temnov VV, et al. Impact of Coulomb scattering on the ultrafast gain recovery in InGaAs quantum dots. Phys Rev Lett. 2008;101(25):256803doi: 10.1103/PhysRevLett.101.256803.
Gomis-Bresco, J., Dommers, S., Temnov, V. V., Woggon, U., Laemmlin, M., Bimberg, D., Malic, E., Richter, M., Schöll, E., & Knorr, A. (2008). Impact of Coulomb scattering on the ultrafast gain recovery in InGaAs quantum dots. Physical review letters, 101(25), 256803. https://doi.org/10.1103/PhysRevLett.101.256803
Gomis-Bresco, J, et al. "Impact of Coulomb scattering on the ultrafast gain recovery in InGaAs quantum dots." Physical review letters vol. 101,25 (2008): 256803. doi: https://doi.org/10.1103/PhysRevLett.101.256803
Gomis-Bresco J, Dommers S, Temnov VV, Woggon U, Laemmlin M, Bimberg D, Malic E, Richter M, Schöll E, Knorr A. Impact of Coulomb scattering on the ultrafast gain recovery in InGaAs quantum dots. Phys Rev Lett. 2008 Dec 19;101(25):256803. doi: 10.1103/PhysRevLett.101.256803. Epub 2008 Dec 16. PMID: 19113738.
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Solvent effects on interfacial electron transfer from Ru(4,4'-dicarboxylic acid-2,2'-bipyridine)2(NCS)2 to nanoparticulate TiO2: spectroscopy and solar photoconversion.

The journal of physical chemistry. A

Pollard JA, Zhang D, Downing JA, Knorr FJ, McHale JL.
PMID: 16354034
J Phys Chem A. 2005 Dec 22;109(50):11443-52. doi: 10.1021/jp053595z.

Resonance Raman spectra are reported for Ru(4,4'-dicarboxylic acid-2,2'-bipyridine)2(NCS)2 (commonly called "N3") in ethanol solution and adsorbed on nanoparticulate colloidal TiO2 in ethanol (EtOH) and in acetonitrile (ACN), at wavelengths within the visible absorption band of the dye. Raman cross...

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Pollard JA, Zhang D, Downing JA, et al. Solvent effects on interfacial electron transfer from Ru(4,4'-dicarboxylic acid-2,2'-bipyridine)2(NCS)2 to nanoparticulate TiO2: spectroscopy and solar photoconversion. J Phys Chem A. 2005;109(50):11443-52doi: 10.1021/jp053595z.
Pollard, J. A., Zhang, D., Downing, J. A., Knorr, F. J., & McHale, J. L. (2005). Solvent effects on interfacial electron transfer from Ru(4,4'-dicarboxylic acid-2,2'-bipyridine)2(NCS)2 to nanoparticulate TiO2: spectroscopy and solar photoconversion. The journal of physical chemistry. A, 109(50), 11443-52. https://doi.org/10.1021/jp053595z
Pollard, Jennifer A, et al. "Solvent effects on interfacial electron transfer from Ru(4,4'-dicarboxylic acid-2,2'-bipyridine)2(NCS)2 to nanoparticulate TiO2: spectroscopy and solar photoconversion." The journal of physical chemistry. A vol. 109,50 (2005): 11443-52. doi: https://doi.org/10.1021/jp053595z
Pollard JA, Zhang D, Downing JA, Knorr FJ, McHale JL. Solvent effects on interfacial electron transfer from Ru(4,4'-dicarboxylic acid-2,2'-bipyridine)2(NCS)2 to nanoparticulate TiO2: spectroscopy and solar photoconversion. J Phys Chem A. 2005 Dec 22;109(50):11443-52. doi: 10.1021/jp053595z. PMID: 16354034.
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Liquid-vapor coexistence at a mesoporous substrate.

Physical review letters

Kityk AV, Hofmann T, Knorr K.
PMID: 18233008
Phys Rev Lett. 2008 Jan 25;100(3):036105. doi: 10.1103/PhysRevLett.100.036105. Epub 2008 Jan 24.

The condensation of hexane vapor onto a mesoporous Si substrate with a pore radius of 3.5 nm has been studied by means of volumetry and ellipsometry. The filling fraction of the pores and the coverage of the substrate have...

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Kityk AV, Hofmann T, Knorr K. Liquid-vapor coexistence at a mesoporous substrate. Phys Rev Lett. 2008;100(3):036105doi: 10.1103/PhysRevLett.100.036105.
Kityk, A. V., Hofmann, T., & Knorr, K. (2008). Liquid-vapor coexistence at a mesoporous substrate. Physical review letters, 100(3), 036105. https://doi.org/10.1103/PhysRevLett.100.036105
Kityk, A V, et al. "Liquid-vapor coexistence at a mesoporous substrate." Physical review letters vol. 100,3 (2008): 036105. doi: https://doi.org/10.1103/PhysRevLett.100.036105
Kityk AV, Hofmann T, Knorr K. Liquid-vapor coexistence at a mesoporous substrate. Phys Rev Lett. 2008 Jan 25;100(3):036105. doi: 10.1103/PhysRevLett.100.036105. Epub 2008 Jan 24. PMID: 18233008.
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Femtosecond pulse breakup in a semiconductor amplifier.

Optics letters

Hughes S, Knorr A, Koch SW.
PMID: 19876249
Opt Lett. 1996 Jul 15;21(14):1052-4. doi: 10.1364/ol.21.001052.

The linear propagation of ultrashort optical pulses in semiconductor gain media is investigated. It is shown that a pulse with a central frequency at the transparency point experiences a propagation-induced temporal breakup that is due to the carrier-induced refractive-index...

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Hughes S, Knorr A, Koch SW. Femtosecond pulse breakup in a semiconductor amplifier. Opt Lett. 1996;21(14):1052-4doi: 10.1364/ol.21.001052.
Hughes, S., Knorr, A., & Koch, S. W. (1996). Femtosecond pulse breakup in a semiconductor amplifier. Optics letters, 21(14), 1052-4. https://doi.org/10.1364/ol.21.001052
Hughes, S, et al. "Femtosecond pulse breakup in a semiconductor amplifier." Optics letters vol. 21,14 (1996): 1052-4. doi: https://doi.org/10.1364/ol.21.001052
Hughes S, Knorr A, Koch SW. Femtosecond pulse breakup in a semiconductor amplifier. Opt Lett. 1996 Jul 15;21(14):1052-4. doi: 10.1364/ol.21.001052. PMID: 19876249.
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Rafting trips into the cell.

Communicative & integrative biology

Lindner R, Knorr R.
PMID: 19907706
Commun Integr Biol. 2009 Sep;2(5):420-1. doi: 10.4161/cib.2.5.8945.

Lipid rafts are small, heterogeneous and short-lived assemblies of cholesterol, sphingolipids and few proteins in biological membranes. They can be converted to larger and more permanent membrane domains by coalescence. Cells appear to be able to modulate the size...

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Lindner R, Knorr R. Rafting trips into the cell. Commun Integr Biol. 2009;2(5):420-1doi: 10.4161/cib.2.5.8945.
Lindner, R., & Knorr, R. (2009). Rafting trips into the cell. Communicative & integrative biology, 2(5), 420-1. https://doi.org/10.4161/cib.2.5.8945
Lindner, Robert, and Knorr, Ruth. "Rafting trips into the cell." Communicative & integrative biology vol. 2,5 (2009): 420-1. doi: https://doi.org/10.4161/cib.2.5.8945
Lindner R, Knorr R. Rafting trips into the cell. Commun Integr Biol. 2009 Sep;2(5):420-1. doi: 10.4161/cib.2.5.8945. PMID: 19907706; PMCID: PMC2775239.
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Propagation-induced adiabatic following in a semiconductor amplifier.

Optics letters

Indik R, Knorr A, Binder R, Moloney JV, Koch SW.
PMID: 19844503
Opt Lett. 1994 Jul 01;19(13):966-8. doi: 10.1364/ol.19.000966.

A propagation-induced transition from linear amplification into an adiabatic following regime is predicted for femtosecond pulses in an inverted semiconductor medium. This process is accompanied by considerable pulse shortening.

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Indik R, Knorr A, Binder R, et al. Propagation-induced adiabatic following in a semiconductor amplifier. Opt Lett. 1994;19(13):966-8doi: 10.1364/ol.19.000966.
Indik, R., Knorr, A., Binder, R., Moloney, J. V., & Koch, S. W. (1994). Propagation-induced adiabatic following in a semiconductor amplifier. Optics letters, 19(13), 966-8. https://doi.org/10.1364/ol.19.000966
Indik, R, et al. "Propagation-induced adiabatic following in a semiconductor amplifier." Optics letters vol. 19,13 (1994): 966-8. doi: https://doi.org/10.1364/ol.19.000966
Indik R, Knorr A, Binder R, Moloney JV, Koch SW. Propagation-induced adiabatic following in a semiconductor amplifier. Opt Lett. 1994 Jul 01;19(13):966-8. doi: 10.1364/ol.19.000966. PMID: 19844503.
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Transition from van der Waals to H bond dominated interaction in n-propanol physisorbed on graphite.

Physical review letters

Wolff M, Kruchten F, Huber P, Knorr K, Volkmann UG.
PMID: 21568580
Phys Rev Lett. 2011 Apr 15;106(15):156103. doi: 10.1103/PhysRevLett.106.156103. Epub 2011 Apr 13.

Multilayer sorption isotherms of 1-propanol on graphite have been measured by means of high-resolution ellipsometry within the liquid regime of the adsorbed film for temperatures ranging from 180 to 260 K. In the first three monolayers the molecules are...

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Wolff M, Kruchten F, Huber P, et al. Transition from van der Waals to H bond dominated interaction in n-propanol physisorbed on graphite. Phys Rev Lett. 2011;106(15):156103doi: 10.1103/PhysRevLett.106.156103.
Wolff, M., Kruchten, F., Huber, P., Knorr, K., & Volkmann, U. G. (2011). Transition from van der Waals to H bond dominated interaction in n-propanol physisorbed on graphite. Physical review letters, 106(15), 156103. https://doi.org/10.1103/PhysRevLett.106.156103
Wolff, Matthias, et al. "Transition from van der Waals to H bond dominated interaction in n-propanol physisorbed on graphite." Physical review letters vol. 106,15 (2011): 156103. doi: https://doi.org/10.1103/PhysRevLett.106.156103
Wolff M, Kruchten F, Huber P, Knorr K, Volkmann UG. Transition from van der Waals to H bond dominated interaction in n-propanol physisorbed on graphite. Phys Rev Lett. 2011 Apr 15;106(15):156103. doi: 10.1103/PhysRevLett.106.156103. Epub 2011 Apr 13. PMID: 21568580.
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Expression of chemoresistance-related genes and heat shock protein 72 in hyperthermic isolated limb perfusion of malignant melanoma: an experimental study.

Journal of oncology

Knorr C, Pelz JO, Göhl J, Hohenberger W, Meyer T.
PMID: 20634932
J Oncol. 2010;2010:138758. doi: 10.1155/2010/138758. Epub 2010 Jun 20.

Hyperthermic isolated limb perfusion (HILP) is considered an established treatment for multiple locoregional intransit metastases in malignant melanoma of the extremities. Various mechanisms such as the expression of chemoresistance genes and heat shock proteins by the tumor may be...

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Knorr C, Pelz JO, Göhl J, et al. Expression of chemoresistance-related genes and heat shock protein 72 in hyperthermic isolated limb perfusion of malignant melanoma: an experimental study. J Oncol. 2010;2010:138758doi: 10.1155/2010/138758.
Knorr, C., Pelz, J. O., Göhl, J., Hohenberger, W., & Meyer, T. (2010). Expression of chemoresistance-related genes and heat shock protein 72 in hyperthermic isolated limb perfusion of malignant melanoma: an experimental study. Journal of oncology, 2010138758. https://doi.org/10.1155/2010/138758
Knorr, C, et al. "Expression of chemoresistance-related genes and heat shock protein 72 in hyperthermic isolated limb perfusion of malignant melanoma: an experimental study." Journal of oncology vol. 2010 (2010): 138758. doi: https://doi.org/10.1155/2010/138758
Knorr C, Pelz JO, Göhl J, Hohenberger W, Meyer T. Expression of chemoresistance-related genes and heat shock protein 72 in hyperthermic isolated limb perfusion of malignant melanoma: an experimental study. J Oncol. 2010;2010:138758. doi: 10.1155/2010/138758. Epub 2010 Jun 20. PMID: 20634932; PMCID: PMC2903950.
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Carrier relaxation in epitaxial graphene photoexcited near the Dirac point.

Physical review letters

Winnerl S, Orlita M, Plochocka P, Kossacki P, Potemski M, Winzer T, Malic E, Knorr A, Sprinkle M, Berger C, de Heer WA, Schneider H, Helm M.
PMID: 22182122
Phys Rev Lett. 2011 Dec 02;107(23):237401. doi: 10.1103/PhysRevLett.107.237401. Epub 2011 Nov 28.

We study the carrier dynamics in epitaxially grown graphene in the range of photon energies from 10 to 250 meV. The experiments complemented by microscopic modeling reveal that the carrier relaxation is significantly slowed down as the photon energy...

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Winnerl S, Orlita M, Plochocka P, et al. Carrier relaxation in epitaxial graphene photoexcited near the Dirac point. Phys Rev Lett. 2011;107(23):237401doi: 10.1103/PhysRevLett.107.237401.
Winnerl, S., Orlita, M., Plochocka, P., Kossacki, P., Potemski, M., Winzer, T., Malic, E., Knorr, A., Sprinkle, M., Berger, C., de Heer, W. A., Schneider, H., & Helm, M. (2011). Carrier relaxation in epitaxial graphene photoexcited near the Dirac point. Physical review letters, 107(23), 237401. https://doi.org/10.1103/PhysRevLett.107.237401
Winnerl, S, et al. "Carrier relaxation in epitaxial graphene photoexcited near the Dirac point." Physical review letters vol. 107,23 (2011): 237401. doi: https://doi.org/10.1103/PhysRevLett.107.237401
Winnerl S, Orlita M, Plochocka P, Kossacki P, Potemski M, Winzer T, Malic E, Knorr A, Sprinkle M, Berger C, de Heer WA, Schneider H, Helm M. Carrier relaxation in epitaxial graphene photoexcited near the Dirac point. Phys Rev Lett. 2011 Dec 02;107(23):237401. doi: 10.1103/PhysRevLett.107.237401. Epub 2011 Nov 28. PMID: 22182122.
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A comparative study on chirped-pulse upconversion and direct multichannel MCT detection.

Optics express

Knorr J, Rudolf P, Nuernberger P.
PMID: 24514645
Opt Express. 2013 Dec 16;21(25):30693-706. doi: 10.1364/OE.21.030693.

A comparative study is carried out on two spectroscopic techniques employed to detect ultrafast absorption changes in the mid-infrared spectral range, namely direct multichannel detection via HgCdTe (MCT) photodiode arrays and the newly established technique of chirped-pulse up-conversion (CPU)....

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Knorr J, Rudolf P, Nuernberger P. A comparative study on chirped-pulse upconversion and direct multichannel MCT detection. Opt Express. 2013;21(25):30693-706doi: 10.1364/OE.21.030693.
Knorr, J., Rudolf, P., & Nuernberger, P. (2013). A comparative study on chirped-pulse upconversion and direct multichannel MCT detection. Optics express, 21(25), 30693-706. https://doi.org/10.1364/OE.21.030693
Knorr, Johannes, et al. "A comparative study on chirped-pulse upconversion and direct multichannel MCT detection." Optics express vol. 21,25 (2013): 30693-706. doi: https://doi.org/10.1364/OE.21.030693
Knorr J, Rudolf P, Nuernberger P. A comparative study on chirped-pulse upconversion and direct multichannel MCT detection. Opt Express. 2013 Dec 16;21(25):30693-706. doi: 10.1364/OE.21.030693. PMID: 24514645.
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Ultrafast relaxation dynamics via acoustic phonons in carbon nanotubes.

Nano letters

Dyatlova OA, Köhler C, Malic E, Gomis-Bresco J, Maultzsch J, Tsagan-Mandzhiev A, Watermann T, Knorr A, Woggon U.
PMID: 22432930
Nano Lett. 2012 May 09;12(5):2249-53. doi: 10.1021/nl2043997. Epub 2012 Apr 13.

Carbon nanotubes as one-dimensional nanostructures are ideal model systems to study relaxation channels of excited charged carriers. The understanding of the ultrafast scattering processes is the key for exploiting the huge application potential that nanotubes offer, e.g., for light-emitting...

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Dyatlova OA, Köhler C, Malic E, et al. Ultrafast relaxation dynamics via acoustic phonons in carbon nanotubes. Nano Lett. 2012;12(5):2249-53doi: 10.1021/nl2043997.
Dyatlova, O. A., Köhler, C., Malic, E., Gomis-Bresco, J., Maultzsch, J., Tsagan-Mandzhiev, A., Watermann, T., Knorr, A., & Woggon, U. (2012). Ultrafast relaxation dynamics via acoustic phonons in carbon nanotubes. Nano letters, 12(5), 2249-53. https://doi.org/10.1021/nl2043997
Dyatlova, Olga A, et al. "Ultrafast relaxation dynamics via acoustic phonons in carbon nanotubes." Nano letters vol. 12,5 (2012): 2249-53. doi: https://doi.org/10.1021/nl2043997
Dyatlova OA, Köhler C, Malic E, Gomis-Bresco J, Maultzsch J, Tsagan-Mandzhiev A, Watermann T, Knorr A, Woggon U. Ultrafast relaxation dynamics via acoustic phonons in carbon nanotubes. Nano Lett. 2012 May 09;12(5):2249-53. doi: 10.1021/nl2043997. Epub 2012 Apr 13. PMID: 22432930.
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Showing 13 to 24 of 333 entries