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| 2013 | High yield fabrication of vertical interdigital electrodes with sub micrometer distance and their application in an organic photovoltaic device
Stelzl, F.; Schulz-Gericke, J.; Niggemann, M.; Würfel, U. | Journal Article |
| 2012 | Aerosol jet printed grid for ITO-free inverted organic solar cells
Kopola, P.; Zimmermann, B.; Filipovic, A.; Schleiermacher, H.F.; Greulich, J.; Rousu, S.; Hast, J.; Myllyla, R.; Würfel, U. | Journal Article |
| 2012 | Investigation of the degradation mechanisms of a variety of organic photovoltaic devices by combination of imaging techniques - The ISOS-3 inter-laboratory collaboration
Rösch, R.; Tanenbaum, D.M.; Jørgensen, M.; Seeland, M.; Bärenklau, M.; Hermenau, M.; Voroshazi, E.; Lloyd, M.T.; Galagan, Y.; Zimmermann, B.; Würfel, U.; Hösel, M.; Dam, H.F.; Gevorgyan, S.A.; Kudret, S.; Maes, W.; Lutsen, L.; Vanderzande, D.; Andriessen, R.; Teran-Escobar, G.; Lira-Cantu, M.; Rivaton, A.; Uzunolu, G.Y.; Germack, D.; Andreasen, B.; Madsen, M.V.; Norrman, K.; Hoppe, H.; Krebs, F.C. | Journal Article |
| 2012 | The ISOS-3 inter-laboratory collaboration focused on the stability of a variety of organic photovoltaic devices
Tanenbaum, D.M.; Hermenau, M.; Voroshazi, E.; Lloyd, M.T.; Galagan, Y.; Zimmermann, B.; Hosel, M.; Dam, H.F.; Jorgensen, M.; Gevorgyan, S.A.; Kudret, S.; Maes, W.; Lutsen, L.; Vanderzande, D.; Würfel, U.; Andriessen, R.; Rösch, R.; Hoppe, H.; Teran-Escobar, G.; Lira-Cantu, M.; Rivaton, A.; Uzunoglu, G.Y.; Germack, D.; Andreasen, B.; Madsen, M.V.; Norrman, K.; Krebs, F.C. | Journal Article |
| 2012 | Modeling the influence of doping on the performance of bulk heterojunction organic solar cells
Stelzl, F.F.; Würfel, U. | Journal Article |
| 2012 | Optoelectronic properties of hyperbranched polythiophenes
Mangold, H.S.; Richter, T.V.; Link, S.; Würfel, U.; Ludwigs, S. | Journal Article |
| 2012 | The use of polyurethane as encapsulating method for polymer solar cells - An inter laboratory study on outdoor stability in 8 countries
Sondergaard, R.R.; Makris, T.; Lianos, P.; Manor, A.; Katz, E.A.; Gong, W.; Tuladhar, S.M.; Nelson, J.; Tuomi, R.; Sommeling, P.; Veenstra, S.C.; Rivaton, A.; Dupuis, A.; Teran-Escobar, G.; Lira-Cantu, M.; Sapkota, S.B.; Zimmermann, B.; Würfel, U.; Matzarakis, A.; Krebs, F.C. | Journal Article |
| 2012 | Voltage-induced formation of accumulation layers at electrode interfaces in organic solar cells
Stelzl, F.F.; Schulz-Gericke, J.; Crossland, E.; Ludwigs, S.; Würfel, U. | Journal Article |
| 2011 | 9-alkylidene-9 H-fluorene-containing polymer for high-efficiency polymer solar cells
Du, C.; Li, C.; Li, W.; Chen, X.; Bo, Z.; Veit, C.; Ma, Z.; Wuerfel, U.; Zhu, H.; Hu, W.; Zhang, F. | Journal Article |
| 2011 | The Effect of additive on performance and shelf-stability of HSX-1/PCBM photovoltaic devices
Li, W.; Zhou, Y.; Andersson, V.B.; Andersson, M.L.; Thomann, Y.; Veit, C.; Tvingstedt, K.; Qin, R.; Bo, Z.; Inganäs, O.; Würfel, U.; Zhang, F. | Journal Article |
| 2011 | Full day modelling of V-shaped organic solar cell
Andersson, B.V.; Würfel, U.; Inganäs, O. | Journal Article |
| 2011 | Influence of the indium tin oxide/organic interface on open-circuit voltage, recombination, and cell degradation in organic small-molecule solar cells
Schäfer, S.; Petersen, A.; Wagner, T.A.; Kniprath, R.; Lingenfelser, D.; Zen, A.; Kirchartz, T.; Zimmermann, B.; Würfel, U.; Feng, X.; Mayer, T. | Journal Article |
| 2011 | An inter-laboratory stability study of roll-to-roll coated flexible polymer solar modules
Gevorgyan, S.A.; Medford, A.J.; Bundgaard, E.; Sapkota, S.B.; Schleiermacher, H.-F.; Zimmermann, B.; Würfel, U.; Chafiq, A.; Lira-Cantu, M.; Swonke, T.; Wagner, M.; Brabec, C.J.; Haillant, O.; Voroshazi, E.; Aernouts, T.; Steim, R.; Hauch, J.A.; Elschner, A.; Pannone, M.; Xiao, M.; Langzettel, A.; Laird, D.; Lloyd, M.T.; Rath, T.; Maier, E.; Trimmel, G.; Hermenau, M.; Menke, T.; Leo, K.; Rösch, R.; Seeland, M.; Hoppe, H.; Nagle, T.J.; Burke, K.B.; Fell, C.J.; Vak, D.; Singh, T.B.; Watkins, S.E.; Galagan, Y.; Manor, A.; Katz, E.A.; Kim, T.; Kim, K.; Sommeling, P.M.; Verhees, W.J.H.; Veenstra, S.C.; Riede, M.; Greyson Christoforo, M.; Currier, T.; Shrotriya, V.; Schwartz, G.; Krebs, F.C. | Journal Article |
| 2011 | ITO-free flexible inverted organic solar cell modules with high fill factor prepared by slot die coating
Zimmermann, B.; Schleiermacher, H.-F.; Niggemann, M.; Würfel, U. | Journal Article |
| 2011 | Mobility and fill factor correlation in geminate recombination limited solar cells
Andersson, L.M.; Müller, C.; Badada, B.H.; Zhang, F.; Würfel, U.; Inganäs, O. | Journal Article |
| 2010 | Quantum efficiency in complex systems. Pt. I: Biomolecular systems
: Weber, E.R. (Ed.); Thorwart, M. (Ed.); Würfel, U. (Ed.) | Book |
| 2010 | Room temperature vacuum-induced ligand removal and patterning of ZnO nanoparticles
Richter, T.V.; Stelzl, F.; Schulz-Gericke, J.; Kerscher, B.; Würfel, U.; Niggemann, M.; Ludwigs, S. | Journal Article |
| 2009 | Catalytic materials manufactured by the polyol process for monolithic dye-sensitized solar cells
Skupien, K.; Putyra, P.; Walter, J.; Kozlowski, R.H.; Khelashvili, G.; Hinsch, A.; Würfel, U. | Journal Article |
| 2009 | Determining the junction temperature for STC measurements of thin film solar cells
Seifert, H.; Hohl-Ebinger, J.; Würfel, U.; Zimmermann, B.; Warta, W. | Conference Paper |
| 2009 | Donor-acceptor-functionalized polymers for efficient light harvesting in the dye solar cell
Siegers, C.; Olah, B.; Würfel, U.; Hohl-Ebinger, J.; Hinsch, A.; Haag, R. | Journal Article |
| 2009 | Dye solar modules for facade applications. Recent results from project ColorSol
Hinsch, A.; Brandt, H.; Veurman, W.; Hemming, S.; Nittel, M.; Würfel, U.; Putyra, P.; Lang-Koetz, C.; Stabe, M.; Beucker, S.; Fichter, K. | Conference Paper, Journal Article |
| 2009 | Energy from the environment - organic solar cells
Niggemann, M.; Würfel, U.; Zimmermann, B.; Platzer, W. | Journal Article |
| 2009 | Longterm stability of efficient inverted P3HT:PCBM solar cells
Zimmermann, B.; Würfel, U.; Niggemann, M. | Journal Article |
| 2009 | A planar copolymer for high efficiency polymer solar cells
Qin, R.; Li, W.; Li, C.; Du, C.; Veit, C.; Schleiermacher, H.-F.; Andersson, M.; Bo, Z.; Liu, Z.; Inganas, O.; Wuerfel, U.; Zhang, F. | Journal Article |
| 2009 | A round robin study of flexible large-area roll-to-roll processed polymer solar cell modules
Krebs, F.C.; Gevorgyan, S.A.; Gholamkhass, B.; Holdcroft, S.; Schlenker, C.; Thompson, M.E.; Thompson, B.C.; Olson, D.; Ginley, D.S.; Shaheen, S.E.; Alshareef, H.N.; Murphy, J.W.; Youngblood, W.J.; Heston, N.C.; Reynolds, J.R.; Jia, S.; Laird, D.; Tuladhar, S.M.; Dane, J.G.A.; Atienzar, P.; Nelson, J.; Kroon, J.M.; Wienk, M.M.; Janssen, R.A.J.; Tvingstedt, K.; Zhang, F.; Andersson, M.; Inganäs, O.; Lira-Cantu, M.; Bettignies, R. de; Guillerez, S.; Aernouts, T.; Cheyns, D.; Lutsen, L.; Zimmermann, B.; Würfel, U.; Niggemann, M.; Schleiermacher, H.-F.; Liska, P.; Grätzel, M.; Lianos, P.; Katz, E.A.; Lohwasser, W.; Jannon, B. | Journal Article |
| 2009 | Tailoring of low bandgap polymer and its performance analysis in organic solar cells
Janietz, S.; Krueger, H.; Schleiermacher, H.-F.; Würfel, U.; Niggemann, M. | Journal Article |
| 2008 | Detailed experimental and theoretical investigation of the electron transport in a dye solar cell by means of a three-electrode configuration
Würfel, U.; Peters, M.; Hinsch, A. | Journal Article |
| 2008 | Material development for dye solar modules: Results from an integrated approach
Hinsch, A.; Behrens, S.; Berginc, M.; Bönnemann, H.; Brandt, H.; Drewitz, A.; Einsele, F.; Faßler, D.; Gerhard, D.; Gores, H.; Haag, R.; Herzig, T.; Himmler, S.; Khelashvili, G.; Koch, D.; Nazmutdinova, G.; Opara Krasovec, U.; Putyra, P.; Rau, U.; Sastrawan, R.; Schauer, T.; Schreiner, C.; Sensfuss, S.; Siegers, C.; Skupien, K.; Wachter, P.; Walter, J.; Wasserscheid, P.; Würfel, U.; Zistler, M. | Journal Article |
| 2008 | Overcoming kinetic limitations of electron injection in the dye solar cell via coadsorption and FRET
Siegers, C.; Würfel, U.; Zistler, M.; Gores, H.; Hohl-Ebinger, J.; Hinsch, A.; Haag, R. | Journal Article |
| 2007 | Developments towards low-cost dye solar modules
Hinsch, A.; Putyra, P.; Würfel, U.; Brandt, H.; Skupien, K.; Drewitz, A.; Einsele, F.; Gerhard, D.; Gores, H.; Hemming, S.; Himmler, S.; Khelashvili, G.; Nazmutdinova, G.; Opara Krasovec, U.; Rau, U.; Sensfuss, S.; Walter, J.; Wasserscheid, P. | Conference Paper |
| 2007 | A dyadic sensitizer for dye solar cells with high energy-transfer efficiency in the device
Siegers, C.; Hohl-Ebinger, J.; Zimmerrnann, B.; Würfel, U.; Mülhaupt, R.; Hinsch, A.; Haag, R. | Journal Article |
| 2007 | Nanocrystalline dye-sensitized solar cells having maximum performance
Kroon, J.M.; Bakker, N.J.; Smit, H.J.P.; Liska, P.; Thampi, K.R.; Wang, P.; Zakeeruddin, S.M.; Grätzel, M.; Hinsch, A.; Hore, S.; Würfel, U.; Sastrawan, R.; Durrant, J.R.; Palomares, E.; Pettersson, H.; Gruszecki, T.; Walter, J.; Skupien, K.; Tulloch, G.E. | Journal Article |
| 2006 | Direct measurement of the internal electron quasi-Fermi level in dye sensitized solar cells using a titanium secondary electrode
Lobato, K.; Peter, L.M.; Würfel, U. | Journal Article |
| 2006 | Solarzelle
Wuerfel, U.; Peters, M. | Patent |
| 2006 | Untersuchung zum Elektronentransport im nanoporösen TiO2 von Farbstoffsolarzellen
Würfel, U. | Dissertation |
| 2005 | Incorporating a secondary electrode in the dye solar cell
Würfel, U.; Peters, M.; Hinsch, A.; Kern, R. | Conference Paper |
| 2005 | Spatial electron distribution and its origin in the nanoporous TiO2 network of a dye solar cell
Würfel, U.; Wagner, J.; Hinsch, A. | Journal Article |
| 2005 | Towards manufacturing dye solar cells
Sastrawan, R.; Hinsch, A.; Beier, J.; Belledin, U.; Hemming, S.; Hore, S.; Kern, R.; Prahl, C.; Renz, J.; Vetter, C.; Würfel, U.; Luther, J.; Petrat, F.M.; Prodi-Schwab, A. | Conference Paper |
| 2004 | Dependence of spectral response of dye solar cells on bias light illumination
Hohl-Ebinger, J.; Hinsch, A.; Sastrawan, R.; Warta, W.; Würfel, U. | Conference Paper |
| 2003 | Recent concepts to improve the efficiency of dye solar cells
Hinsch, A.; Würfel, U.; Hore, S.; Sastrawan, R.; Kern, R.; Luther, J. | Conference Paper |