Search Results - "Rogach, A.L."

Toward Encoding Combinatorial Libraries: Charge-Driven Microencapsulation of Semiconductor Nanocrystals Luminescing in the Visible and Near IR by Gaponik, N., Radtchenko, I.L., Sukhorukov, G.B., Weller, H., Rogach, A.L.

“…Charge‐driven microencapsulation of water‐soluble CdTe nanocrystals has been used to create both single‐color tagged microspheres (see Figure) and multicolored…”
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Colloidally Prepared CdHgTe and HgTe Quantum Dots with Strong Near-Infrared Luminescence by Rogach, A.L., Harrison, M.T., Kershaw, S.V., Kornowski, A., Burt, M.G., Eychmüller, A., Weller, H.

“…Several series of CdHgTe composite nanocrystals were prepared using thiol‐capped CdTe nanocrystal precursors to which subsequent layers of HgTe and CdTe were…”
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Synthesis of surface-modified colloidal semiconductor nanocrystals and study of photoinduced charge separation and transport in nanocrystal-polymer composites by Talapin, D.V., Poznyak, S.K., Gaponik, N.P., Rogach, A.L., Eychmüller, A.

“…This paper provides an overview of semiconductor nanocrystals, which were synthesized either by an aqueous technique in the presence of different thiols as…”
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Development of IR-emitting colloidal II-VI quantum-dot materials by Kershaw, S.V., Harrison, M., Rogach, A.L., Kornowski, A.

“…The current state-of-the-art of colloidal II-VI nanocrystal formation using the aqueous/thiol synthesis route is described. Work on single component and…”
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Organization of Matter on Different Size Scales: Monodisperse Nanocrystals and Their Superstructures by Rogach, A.L., Talapin, D.V., Shevchenko, E.V., Kornowski, A., Haase, M., Weller, H.

“…Advanced colloidal syntheses enable the preparation of monodisperse semiconductors and magnetic alloy nanocrystals. They can be further used as building blocks…”
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Evaluation of the dielectric function of colloidal Cd1−xHgxTe quantum dot films by spectroscopic ellipsometry by Bejaoui, A., Alonso, M.I., Garriga, M., Campoy-Quiles, M., Goñi, A.R., Hetsch, F., Kershaw, S.V., Rogach, A.L., To, C.H., Foo, Y., Zapien, J.A.

“…[Display omitted] •Structural and optical investigation of layer-by-layer films with CdHgTe quantum dots.•Determination of the dielectric function of the…”
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Cytotoxicity of nanoparticle-loaded polymer capsules by Kirchner, C., Javier, A. Muñoz, Susha, A.S., Rogach, A.L., Kreft, O., Sukhorukov, G.B., Parak, W.J.

“…Cytotoxic effects of micrometer-sized polymer capsules composed out of alternating layers of polystyrenesulfonate (PSS) and polyallylamine hydrochloride (PAH)…”
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Luminescence Properties of Thiol-Stabilized CdTe Nanocrystals by Kapitonov, A. M, Stupak, A. P, Gaponenko, S. V, Petrov, E. P, Rogach, A. L, Eychmüller, A

“…Thiol-capped CdTe nanocrystals with cubic zinc blende structure are synthesized in aqueous solution. Their steady-state and time-resolved luminescence…”
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Wet chemical synthesis and spectroscopic study of CdHgTe nanocrystals with strong near-infrared luminescence by Harrison, M.T, Kershaw, S.V, Burt, M.G, Eychmüller, A, Weller, H, Rogach, A.L

“…Several series of CdHgTe composite nanocrystals were prepared using a wet-chemical colloidal technique. The synthesis began using CdTe nanocrystal precursors…”
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II–VI semiconductor nanocrystals in thin films and colloidal crystals by Rogach, Andrey L, Kotov, Nicholas A, Koktysh, Dmitry S, Susha, Andrei S, Caruso, Frank

“…Semiconductor nanocrystals whose optical properties are largely determined by the quantum confinement effect are currently being extensively studied in both…”
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Anti-Stokes Photoluminescence in II-VI Colloidal Nanocrystals by Rakovich, Yu.P., Filonovich, S.A., Gomes, M.J.M., Donegan, J.F., Talapin, D.V., Rogach, A.L., Eychmüller, A.

“…For the first time highly efficient photon energy up‐conversion (anti‐Stokes photoluminescence) has been observed in colloids of CdTe nanocrystals (NCs) and…”
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Spontaneous emission of dye molecules, semiconductor nanocrystals, and rare-earth ions in opal-based photonic crystals by Gaponenko, S.V., Bogomolov, V.N., Petrov, E.P., Kapitonov, A.M., Yarotsky, D.A., Kalosha, I.I., Eychmueller, A.A., Rogach, A.L., McGilp, J., Woggon, U., Gindele, F.

“…Photonic crystals based on silica colloidal crystals (artificial opals) exhibit pronounced stopbands for electromagnetic wave propagation and the corresponding…”
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Up-conversion luminescence via a below-gap state in CdSe/ZnS quantum dots by Rakovich, Yu.P., Donegan, J.F., Filonovich, S.A., Gomes, M.J.M., Talapin, D.V., Rogach, A.L., Eychmüller, A.

“…We report on the efficient photoluminescence up-conversion in colloidally-prepared core-shell CdSe/ZnS quantum dots. We demonstrate that the efficiency of…”
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Exploring integration prospects of opal-based photonic crystals by Romanov, S.G., Ferrand, P., Egen, M., Zentel, R., Ahopelto, J., Gaponik, N., Eychmüller, A., Rogach, A.L., Sotomayor Torres, C.M.

“…Different methods of functionalisation of thin opal films are discussed, including synthesis of opals on pre-patterned substrates, post-synthesis electron beam…”
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Three-dimensional photon confinement in a spherical microcavity with CdTe quantum dots: Raman spectroscopy by Rakovich, Yu.P., Gerlach, M., Donegan, J.F., Gaponik, N., Rogach, A.L.

“…We have studied the Raman spectra of a system consisting of a polystyrene latex microsphere coated by CdTe colloidal quantum dots. The cavity-induced…”
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Confined Optical Vibrations in CdTe Quantum Dots and Clusters by Rolo, A.G., Vasilevskiy, M.I., Gaponik, N.P., Rogach, A.L., Gomes, M.J.M.

“…Absorption of far‐infrared (FIR) radiation and Raman scattering in CdTe nano‐crystals (spherical quantum dots (QDs) of several nanometers in size) and…”
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Reorganization of Langmuir monolayers on solid surfaces by Zhavnerko, G.K, Zhavnerko, K.A, Agabekov, V.E, Gallyamov, M.O, Yaminsky, I.V, Rogach, A.L

“…Langmuir–Blodgett (LB) monolayers of behenic acid, beeswax and long-chain amphiphilic amides were prepared on graphite and mica surfaces by the horizontal…”
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Composite Langmuir–Blodgett films of behenic acid and CdTe nanoparticles: the structure and reorganization on solid surfaces by Zhavnerko, Genady K, Agabekov, Vladimir E, Gallyamov, Marat O, Yaminsky, Igor V, Rogach, Andrey L

“…Composite monolayer films of behenic acid and CdTe nanoparticles capped with either 1-thioglycerol or thioglycolic acid were prepared by the vertical and…”
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Dipole–dipole interaction effect on the optical response of quantum dot ensembles by Boev, V.I., Filonovich, S.A., Vasilevskiy, M.I., Silva, C.J., Gomes, M.J.M., Talapin, D.V., Rogach, A.L.

“…The effect of concentration on the optical absorption and photoluminescence (PL) spectra was studied for ensembles of chemically prepared semiconductor quantum…”
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Spontaneous emission of organic molecules and semiconductor nanocrystals in a photonic crystal by Gaponenko, S.V, Bogomolov, V.N, Petrov, E.P, Kapitonov, A.M, Eychmueller, A.A, Rogach, A.L, Kalosha, I.I, Gindele, F, Woggon, U

“…Photonic crystals based on artificial colloidal silica crystals (opals) exhibit pronounced stop bands for electromagnetic wave propagation and the…”
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