Search Results - "Klar, T A"

Biomolecular Recognition Based on Single Gold Nanoparticle Light Scattering by Raschke, G, Kowarik, S, Franzl, T, Sönnichsen, C, Klar, T. A, Feldmann, J, Nichtl, A, Kürzinger, K

“…A method for biomolecular recognition is reported using light scattering of a single gold nanoparticle functionalized with biotin. Addition of streptavidin and…”
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Gold Nanoparticles Quench Fluorescence by Phase Induced Radiative Rate Suppression by Dulkeith, E, Ringler, M, Klar, T. A, Feldmann, J, Muñoz Javier, A, Parak, W. J

“…The fluorescence quantum yield of Cy5 molecules attached to gold nanoparticles via ssDNA spacers is measured for Cy5-nanoparticle distances between 2 and 16…”
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Bright White-Light Emission from Semiconductor Nanocrystals: by Chance and by Design by Sapra, S., Mayilo, S., Klar, T. A., Rogach, A. L., Feldmann, J.

“…The synthesis and characterization of two bright white‐light‐emitting semiconductor nanocrystal (NC)‐based systems is reported. CdS NCs emit white light…”
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Voltage-Induced Adsorbate Damping of Single Gold Nanorod Plasmons in Aqueous Solution by Dondapati, S. K, Ludemann, M, Müller, R, Schwieger, S, Schwemer, A, Händel, B, Kwiatkowski, D, Djiango, M, Runge, E, Klar, T. A

“…Unbiased gold nanoparticles are negatively charged in aqueous solution but not hydrated. Optical spectroscopy of voltage-clamped single gold nanoparticles…”
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Super-Efficient Exciton Funneling in Layer-by-Layer Semiconductor Nanocrystal Structures by Klar, T. A., Franzl, T., Rogach, A. L., Feldmann, J.

“…In semiconductor nanocrystals the electronic energy gap is determined not only by the material but also by the size of the nanocrystals. This allows the…”
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Negative permittivity of ZnO thin films prepared from aluminum and gallium doped ceramics via pulsed-laser deposition by Bodea, M. A., Sbarcea, G., Naik, G. V., Boltasseva, A., Klar, T. A., Pedarnig, J. D.

“…Aluminum and gallium doped zinc oxide thin films with negative dielectric permittivity in the near infrared spectral range are grown by pulsed laser…”
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Gold Nanoshells Improve Single Nanoparticle Molecular Sensors by Raschke, G, Brogl, S, Susha, A. S, Rogach, A. L, Klar, T. A, Feldmann, J, Fieres, B, Petkov, N, Bein, T, Nichtl, A, Kürzinger, K

“…Molecular sensors based on scattering spectroscopy of single gold nanoparticles can be improved three-fold by the use of gold nanoshells instead of solid gold…”
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Moving Nanoparticles with Raman Scattering by Ringler, M, Klar, T. A, Schwemer, A, Susha, A. S, Stehr, J, Raschke, G, Funk, S, Borowski, M, Nichtl, A, Kürzinger, K, Phillips, R. T, Feldmann, J

“…We show how to change optically the distance between two protein-linked gold nanoparticles by Raman-induced motion of the linker protein. Rayleigh scattering…”
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Radiative and Nonradiative Rates of Phosphors Attached to Gold Nanoparticles by Soller, T, Ringler, M, Wunderlich, M, Klar, T. A, Feldmann, J, Josel, H.-P, Markert, Y, Nichtl, A, Kürzinger, K

“…Gold nanoparticles manipulate the quantum efficiency of phosphorescent molecules, which are attached via biotin−streptavidin recognition at a distance of 4 nm…”
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Fast energy transfer in layer-by-layer assembled CdTe nanocrystal bilayers by Franzl, T., Koktysh, D. S., Klar, T. A., Rogach, A. L., Feldmann, J., Gaponik, N.

“…We report on efficient resonant energy transfer in bilayers of water-soluble CdTe quantum dots. The bilayers of CdTe nanocrystals of two different sizes capped…”
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Shaping emission spectra of fluorescent molecules with single plasmonic nanoresonators by Ringler, M, Schwemer, A, Wunderlich, M, Nichtl, A, Kürzinger, K, Klar, T A, Feldmann, J

“…We show that plasmonic nanoresonators composed of two gold nanoparticles change not only the intensity but also the spectral shape of the emission of…”
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Optical properties of InN grown on Si(111) substrate by Sakalauskas, E., Schley, P., Räthel, J., Klar, T. A., Müller, R., Pezoldt, J., Tonisch, K., Grandal, J., Sánchez-García, M. A., Calleja, E., Vilalta-Clemente, A., Ruterana, P., Goldhahn, R.

“…A comprehensive characterization of the optical properties of wurtzite InN films grown by molecular beam epitaxy on Si(111) substrates is presented. Two types…”
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Streptavidin Reduces Oxygen Quenching of Biotinylated Ruthenium(II) and Palladium(II) Complexes by Soller, T, Ringler, M, Wunderlich, M, Klar, T. A, Feldmann, J, Josel, H.-P, Koci, J, Markert, Y, Nichtl, A, Kürzinger, K

“…Transition metal complexes such as biotinylated ruthenium(II) tris(bipyridyl) and palladium(II) porphyrin show an increase in luminescence intensity and…”
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Bone‐forming cells with pronounced spread into the third dimension in polymer scaffolds fabricated by two‐photon polymerization by Heitz, J., Plamadeala, C., Wiesbauer, M., Freudenthaler, P., Wollhofen, R., Jacak, J., Klar, T. A., Magnus, B., Köstner, D., Weth, A., Baumgartner, W., Marksteiner, R.

“…The main aim of this work was to stimulate bone‐forming cells to produce three‐dimensional networks of mineralized proteins such as those occurring in bones…”
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Raman and Luminescent Spectra of Sulfonated Zn Phthalocyanine Enhanced by Gold Nanoparticles by Kavelin, V., Fesenko, O., Dubyna, H., Vidal, C., Klar, T. A., Hrelescu, C., Dolgov, L.

“…Sulfonated Zn phthalocyanine, as a prospective photosensitizer in the photodynamic therapy of tumors, is investigated by means of Raman, infrared, and…”
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Negative-Index Metamaterials: Going Optical by Klar, T.A., Kildishev, A.V., Drachev, V.P., Shalaev, V.M.

“…The race toward engineering metamaterials comprising of negative refractive indexes in the optical range started with the realization of negative-index…”
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Creating λ/3 focal holes with a Mach-Zehnder interferometer by ENGEL, E, HUSE, N, KLAR, T. A, HELL, S. W

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Fluorescence quenching of dye molecules near gold nanoparticles: radiative and nonradiative effects by Dulkeith, E, Morteani, A C, Niedereichholz, T, Klar, T A, Feldmann, J, Levi, S A, van Veggel, F C J M, Reinhoudt, D N, Möller, M, Gittins, D I

“…The radiative and nonradiative decay rates of lissamine dye molecules, chemically attached to differently sized gold nanoparticles, are investigated by means…”
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Sub-Microsecond Molecular Thermometry Using Thermal Spin Flips by Stehr, J., Lupton, J. M., Reufer, M., Raschke, G., Klar, T. A., Feldmann, J.

“…The application of platinumporphyrin (an organic semiconductor) as a sensitive molecular thermometer is demonstrated. The instantaneous temperature controls…”
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