Search Results - "Werner Schock, Hans"

Cu2ZnSnS4 thin film solar cells by fast coevaporation by Schubert, Björn-Arvid, Marsen, Björn, Cinque, Sonja, Unold, Thomas, Klenk, Reiner, Schorr, Susan, Schock, Hans-Werner

“…Solar cells based on kesterite‐type Cu2ZnSnS4 (CZTS) were fabricated on molybdenum coated soda lime glass by evaporation using ZnS, Sn, Cu, and S sources. The…”
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Gallium gradients in Cu(In,Ga)Se2 thin‐film solar cells by Witte, Wolfram, Abou‐Ras, Daniel, Albe, Karsten, Bauer, Gottfried H., Bertram, Frank, Boit, Christian, Brüggemann, Rudolf, Christen, Jürgen, Dietrich, Jens, Eicke, Axel, Hariskos, Dimitrios, Maiberg, Matthias, Mainz, Roland, Meessen, Max, Müller, Mathias, Neumann, Oliver, Orgis, Thomas, Paetel, Stefan, Pohl, Johan, Rodriguez‐Alvarez, Humberto, Scheer, Roland, Schock, Hans‐Werner, Unold, Thomas, Weber, Alfons, Powalla, Michael

“…The gallium gradient in Cu(In,Ga)Se2 (CIGS) layers, which forms during the two industrially relevant deposition routes, the sequential and co‐evaporation…”
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Cu(In,Ga)Se2 superstrate solar cells: prospects and limitations by Heinemann, Marc Daniel, Efimova, Varvara, Klenk, Reiner, Hoepfner, Britta, Wollgarten, Markus, Unold, Thomas, Schock, Hans-Werner, Kaufmann, Christian A.

“…Superstrate solar cells were prepared by thermal evaporation of Cu(In,Ga)Se2 onto ZnO coated glass substrates. For the first time, photo‐conversion…”
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Time-resolved investigation of Cu(In,Ga)Se2 growth and Ga gradient formation during fast selenisation of metallic precursors by Mainz, Roland, Weber, Alfons, Rodriguez-Alvarez, Humberto, Levcenko, Sergiu, Klaus, Manuela, Pistor, Paul, Klenk, Reiner, Schock, Hans-Werner

“…Ga segregation at the backside of Cu(In,Ga)Se2 solar cell absorbers is a commonly observed phenomenon for a large variety of sequential fabrication processes…”
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Photovoltaic materials, history, status and outlook by Goetzberger, Adolf, Hebling, Christopher, Schock, Hans-Werner

“…This paper reviews the history, the present status and possible future developments of photovoltaic (PV) materials for terrestrial applications. After a brief…”
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Confined and Chemically Flexible Grain Boundaries in Polycrystalline Compound Semiconductors by Abou-Ras, Daniel, Schmidt, Sebastian S., Caballero, Raquel, Unold, Thomas, Schock, Hans-Werner, Koch, Christoph T., Schaffer, Bernhard, Schaffer, Miroslava, Choi, Pyuck-Pa, Cojocaru-Mirédin, Oana

“…Grain boundaries (GBs) in polycrystalline Cu(In,Ga)Se2 thin films exhibit only slightly enhanced recombination, as compared with the grain interiors, allowing…”
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High efficiency low temperature grown Cu(In,Ga)Se2 thin film solar cells on flexible substrates using NaF precursor layers by Caballero, Raquel, Kaufmann, Christian A., Eisenbarth, Tobias, Unold, Thomas, Klenk, Reiner, Schock, Hans-Werner

“…We report a total‐area efficiency of 15.9% for flexible Cu(In,Ga)Se2 thin film solar cells on polyimide foil (cell area 0.95 cm2). The absorber layer was grown…”
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Investigation of the Sub-Bandgap Photoresponse in CuGaS2 : Fe for Intermediate Band Solar Cells by Marsen, Björn, Klemz, Sascha, Unold, Thomas, Schock, Hans-Werner

“…ABSTRACT Transition‐metal doped chalcopyrite thin films have been proposed as a suitable absorber material for intermediate band solar cells. In this work,…”
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Formation of CuInSe2 and CuGaSe2 Thin-Films Deposited by Three-Stage Thermal Co-Evaporation: A Real-Time X-Ray Diffraction and Fluorescence Study by Rodriguez-Alvarez, Humberto, Weber, Alfons, Lauche, Jakob, Kaufmann, Christian Alexander, Rissom, Thorsten, Greiner, Dieter, Klaus, Manuela, Unold, Thomas, Genzel, Christoph, Schock, Hans-Werner, Mainz, Roland

“…Thin film solar cells based on co‐evaporated Cu(In,Ga)Se2 absorber films present the highest efficiencies among current polycrystalline thin‐film technologies…”
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Comparative material study on RF and DC magnetron sputtered ZnO:Al films by Kluth, Oliver, Schöpe, Gunnar, Rech, Bernd, Menner, Richard, Oertel, Mike, Orgassa, Kay, Werner Schock, Hans

“…ZnO:Al films were prepared on glass substrates by RF and DC sputtering from ceramic ZnO:Al 2O 3 targets. The film properties of RF sputtered ZnO:Al showed a…”
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Cu2-xS Surface Phases and Their Impact on the Electronic Structure of CuInS2 Thin Films - A Hidden Parameter in Solar Cell Optimization by Bär, Marcus, Klaer, Joachim, Weinhardt, Lothar, Wilks, Regan G., Krause, Stefan, Blum, Monika, Yang, Wanli, Heske, Clemens, Schock, Hans-Werner

“…The surface properties of CuInS2 (CIS) thin‐film solar cell absorbers are investigated by a combination of electron and soft X‐ray spectroscopies. Spatially…”
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Current routes in polycrystalline CuInSe2 and Cu(In,Ga)Se2 films by AZULAY, Doron, MILLO, Oded, BALBERG, Isaac, SCHOCK, Hans-Werner, VISOLY-FISHER, Iris, CAHEN, David

“…Local electrical transport measurements with scanning probe microscopy on polycrystalline (PX) p-CuInSe2 and p-Cu(In,Ga)Se2 films show that the photovoltaic…”
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The effect of NaF precursors on low temperature growth of CIGS thin film solar cells on polyimide substrates by Caballero, Raquel, Kaufmann, Christian A., Eisenbarth, Tobias, Unold, Thomas, Schorr, Susan, Hesse, Raik, Klenk, Reiner, Schock, Hans-Werner

“…The aim of this work is to study the effect of Na on low temperature growth of CIGS solar cells on polyimide (PI) substrates. The Na is introduced via…”
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CIGS-based solar cells for the next millennium by Schock, Hans-Werner, Noufi, Rommel

“…Thin‐film photovoltaic (PV) solar cells based on Cu(In,Ga)Se2 (CIGS) have two key distinctive features: highest performance of any true thin‐film solar cell…”
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Structure and phase relations in the 2(CuInS2)–Cu2ZnSnS4 solid solution system by Schorr, Susan, Tovar, Michael, Hoebler, Hans-Joachim, Schock, Hans-Werner

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Investigation of the Sub‐Bandgap Photoresponse in CuGaS 2  : Fe for Intermediate Band Solar Cells by Marsen, Björn, Klemz, Sascha, Unold, Thomas, Schock, Hans‐Werner

“…ABSTRACT Transition‐metal doped chalcopyrite thin films have been proposed as a suitable absorber material for intermediate band solar cells. In this work,…”
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Cu(In,Ga)Se2 Solar Cells: Device Stability Based on Chemical Flexibility by Guillemoles, Jean-François, Rau, Uwe, Kronik, Leeor, Schock, Hans-Werner, Cahen, David

“…Is “self‐healing” the source of the stability of Cu(In, Ga)Se2‐based solar modules? The proven remarkable stability and radiation hardness of Cu(In,Ga)Se2…”
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Role of the CdS buffer layer as an active optical element in Cu(In,Ga)Se2 thin-film solar cells by Orgassa, Kay, Rau, Uwe, Nguyen, Quang, Werner Schock, Hans, Werner, Jürgen H.

“…ZnO/CdS/Cu(In,Ga)Se2 (CIGS) thin‐film heterojunction solar cells with CdS buffer layers of thicknesses between 0 and 85 nm are characterized by…”
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Comprehensive insights into point defect and defect cluster formation in CuInSe2 by Stephan, Christiane, Schorr, Susan, Tovar, Michael, Schock, Hans-Werner

“…The concentration of native point defects in CuInSe2 powder material as a function of stoichiometry has been experimentally determined by neutron powder…”
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Time‐resolved investigation of Cu(In,Ga)Se 2 growth and Ga gradient formation during fast selenisation of metallic precursors by Mainz, Roland, Weber, Alfons, Rodriguez‐Alvarez, Humberto, Levcenko, Sergiu, Klaus, Manuela, Pistor, Paul, Klenk, Reiner, Schock, Hans‐Werner

“…Abstract Ga segregation at the backside of Cu(In,Ga)Se 2 solar cell absorbers is a commonly observed phenomenon for a large variety of sequential fabrication…”
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