Search Results - "GUTOWSKI, Jürgen"

Electron Tunneling from Colloidal CdSe Quantum Dots to ZnO Nanowires Studied by Time-Resolved Luminescence and Photoconductivity Experiments by Bley, Stephanie, Diez, Michael, Albrecht, Friederike, Resch, Sebastian, Waldvogel, Siegfried R, Menzel, Andreas, Zacharias, Margit, Gutowski, Jürgen, Voss, Tobias

“…CdSe quantum dots (QDs) with different organic linker molecules are attached to ZnO nanowires (NWs) to study the luminescence dynamics and the electron…”
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Influence of polymer coating on the low-temperature photoluminescence properties of ZnO nanowires by Richters, Jan-Peter, Voss, Tobias, Wischmeier, Lars, Rückmann, Ilja, Gutowski, Jürgen

“…We report on low temperature photoluminescence studies of ZnO nanowires embedded in different polymers. Comparing the spectra of as-grown and embedded ZnO…”
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The State of Strain in Single GaN Nanocolumns As Derived from Micro-Photoluminescence Measurements by Thillosen, Nicolas, Sebald, Kathrin, Hardtdegen, Hilde, Meijers, Ralph, Calarco, Raffaella, Montanari, Simone, Kaluza, Nicoleta, Gutowski, Jürgen, Lüth, Hans

“…In the present paper, studies on the state of strain in single and ensembles of nanocolumns investigated by photoluminescence spectroscopy will be presented…”
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Nonlinear optics with ZnO nanowires by Voss, Tobias, Kudyk, Iryna, Wischmeier, Lars, Gutowski, Jürgen

“…Second‐harmonic generation and two‐photon induced photoluminescence from arrays of ZnO nanowires and single nanowires under excitation with femtosecond pulses…”
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Tunable Bragg polaritons and nonlinear emission from a hybrid metal-unfolded ZnSe-based microcavity by Rahman, SK. Shaid-Ur, Klein, Thorsten, Gutowski, Jürgen, Klembt, Sebastian, Sebald, Kathrin

“…Strong light-matter interaction in Bragg structures possesses several advantages over conventional microcavity system. These structures provide an opportunity…”
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Relationship between the V OC Tuning Effect and the Interface Activation Energy Due to the Third Component Concentration in Ternary Organic Solar Cells by Castro-Chacón, Andres, Castro-Carranza, Alejandra, Amargós-Reyes, Olivia, Maldonado, José-Luis, Hernández-Cristóbal, Orlando, Guzmán-Caballero, David, Mejía, Israel, Vázquez, Aldo, Gutowski, Jürgen, Nolasco, Jairo C

“…The open-circuit voltage (V OC) tuning effect due to the variation of the low concentration of the third component in ternary organic solar cells has been…”
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The impact of nanoperforation on persistent photoconductivity and optical quenching effects in suspended GaN nanomembranes by Volciuc, Olesea, Braniste, Tudor, Tiginyanu, Ion, Stevens-Kalceff, Marion A., Ebeling, Jakob, Aschenbrenner, Timo, Hommel, Detlef, Ursaki, Veaceslav, Gutowski, Jürgen

“…We report on fabrication of suspended ∼15 nm thick GaN membranes nanoperforated in an ordered fashion using direct writing of negative charges by focused ion…”
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Crystalline phase in Alq3 films grown by the hot-wall method by Seto, Satoru, Yamada, Satoru, Kitazaki, Asami, Sebald, Kathrin, Rückmann, Ilja, Gutowski, Jürgen

“…We deposited tris-(8-hydroxyquinoline) aluminum (Alq3) films on glass substrates by using the hot-wall method. The Alq3 films were deposited for changing…”
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Microphotoluminescence studies on GaN-based airpost pillar microcavities containing InGaN quantum wells and quantum dots by Sebald, Kathrin, Lohmeyer, Henning, Kalden, Joachim, Seyfried, Moritz, Figge, Stephan, Kruse, Carsten, Dartsch, Heiko, Tessarek, Christian, Hommel, Detlef, Gutowski, Jürgen

“…We report on the optical properties of monolithic GaN‐based airpost pillar microcavities (MCs) with embedded InGaN quantum wells or quantum dots (QDs),…”
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Free‐Standing ZnSe‐Based Microdisk Resonators: Influence of Edge Roughness on the Optical Quality and Reducing Degradation with Supported Geometry by Seemann, Wilken, Kothe, Alexander, Tessarek, Christian, Schmidt, Gesa, Qiao, Siqi, von den Driesch, Nils, Wiersig, Jan, Pawlis, Alexander, Callsen, Gordon, Gutowski, Jürgen

“…Microdisk resonators offer a small mode volume and are therefore commonly investigated for their suitability as platforms for low‐threshold lasing. In…”
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Excitation-induced dephasing and biexcitonic effects in the coherent control of excitonic polarization in pulse-transmission experiments by VOSS, Tobias, BREUNIG, Hans Georg, RÜCKMANN, Ilja, GUTOWSKI, Jürgen

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Effects of FeCl3 as oxidizing agent on the conduction mechanisms in polypyrrole (PPy)/pc-ZnO hybrid heterojunctions grown by oxidative chemical vapor deposition by Castro-Carranza, Alejandra, Nolasco, Jairo C., Bley, Stephanie, Rückmann, Max, Meierhofer, Florian, Mädler, Lutz, Voss, Tobias, Gutowski, Jürgen

“…ABSTRACT P‐type polypyrrole (PPy) films are deposited on glass and on n‐type polycrystalline ZnO (pc–ZnO) substrates by oxidative chemical vapor deposition…”
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Coherent control of exciton-biexciton beats: direction selectivity of four-wave-mixing signals in experiment and microscopic theory by Voss, Tobias, Rückmann, Ilja, Gutowski, Jürgen, Axt, Vollrath Martin, Kuhn, Tilmann

“…In experiments and simulations based on a microscopic theory the optical coherent control of exciton–biexciton beats in coherent four‐wave‐mixing signals from…”
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Coherent control of excitonic excitations in II-VI quantum wells by Voss, Tobias, Breunig, Hans Georg, Rückmann, Ilja, Gutowski, Jürgen

“…We present results of experimental work in which the coherent‐control technique has been applied to study the coherent manipulation of excitonic polarization…”
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Detection of Hydrogen Dissolved in Liquid Media: A Review and Outlook by Castro-Carranza, Alejandra, Vega-Hernández, Pablo, Nolasco, Jairo C., Ladstätter-Weißenmayer, Annette, Eickhoff, Martin, Gutowski, Jürgen

“…As hydrogen continues to become rather promising for the generation of clean and sustainable energy, effective and low‐cost sensors are progressively necessary…”
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Formation of InP nanomembranes and nanowires under fast anodic etching of bulk substrates by Monaico, Eduard, Tiginyanu, Ion, Volciuc, Olesea, Mehrtens, Thorsten, Rosenauer, Andreas, Gutowski, Jürgen, Nielsch, Kornelius

“…We demonstrate that fast anodic etching of bulk crystalline substrates of n-InP via photolithographically defined windows leads to the formation of…”
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Observation of a hybrid state of Tamm plasmons and microcavity exciton polaritons by Rahman, SK. Shaid-Ur, Klein, Thorsten, Klembt, Sebastian, Gutowski, Jürgen, Hommel, Detlef, Sebald, Kathrin

“…We present evidence for the existence of a hybrid state of Tamm plasmons and microcavity exciton polaritons in a II-VI material based microcavity sample…”
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Optical Properties and Carrier Dynamics in Inorganic and Hybrid Inorganic/Organic ZnO‐ and GaN‐Based Nanowire Structures by Jaros, Angelina, Bley, Stephanie, Zimmermann, Kseniia, Krieg, Linus, Castro‐Carranza, Alejandra, Gutowski, Jürgen, Meierhofer, Florian, Voss, Tobias

“…In this paper, results on the optical properties and carrier dynamics in inorganic and hybrid inorganic/organic semiconductor nanowire structures based on the…”
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Coherent control of the exciton and exciton-biexciton transitions in the generation of nonlinear wave-mixing signals in a semiconductor quantum well by Voss, Tobias, Rückmann, Ilja, Gutowski, Jürgen, Axt, Vollrath Martin, Kuhn, Tilmann

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Effects of FeCl 3 as oxidizing agent on the conduction mechanisms in polypyrrole (PPy)/pc–ZnO hybrid heterojunctions grown by oxidative chemical vapor deposition by Castro‐Carranza, Alejandra, Nolasco, Jairo C., Bley, Stephanie, Rückmann, Max, Meierhofer, Florian, Mädler, Lutz, Voss, Tobias, Gutowski, Jürgen

“…P‐type polypyrrole (PPy) films are deposited on glass and on n‐type polycrystalline ZnO (pc–ZnO) substrates by oxidative chemical vapor deposition under three…”
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