CIS - diagnostic using Synchrotron radiation



Majumdar, I.; Parvan, V.; Greiner, D.; Schlatmann, R.; Lauermann, I.: Effect of Na from soda-lime glass substrate and as post-deposition on Cu(In,Ga)Se2 absorbers: A photoelectron spectroscopy study in ultra-high vacuum. , Applied Surface Science 514 (2020), p. 145941/1-10

Brandi, F.; Bäumel, M.; Molinari, V.; Shekova, I.; Lauermann, I.; Heil, T.; Antonietti, M.; Al-Naji, M.: Nickel on nitrogen-doped carbon pellets for continuous-flow hydrogenation of biomass-derived compounds in water. , Green Chemistry 22 (2020), p. 2755-2766

Pfrommer, J.; Steigert, A.; Göbel, C.; Lauermann, I.; Calvet, W.; Klenk, R.; Mikhailov, S.; Azarpira, A.; Lublow, M.; Selve, S.; Driess, M.; Schedel-Niedrig, T.: Novel, large area scalable polycrystalline Zn1-xCoxO films RF sputtered from a single mixed target for electrochemical water oxidation. , International Journal of Hydrogen Energy 45 (2020), p. 9380-9385


Fetyan, A.; El-Nagar, G.; Lauermann, I.; Schnucklake, M.; Schneider, J.; Roth, C.: Detrimental role of hydrogen evolution and its temperature-dependent impact on the performance of vanadium redox flow batteries. , Journal of Energy Chemistry 32 (2019), p. 57-62

Markushyna, Y.; Teutloff, C.; Kurpil, B.; Cruz, D.; Lauermann, I.; Zhao, Y.; Antonietti, M.; Savateev, A.: Halogenation aromatic hydrocarbons by halide anion oxidation with poly(heptazine imide) photocatalyst. , Applied Catalysis B: Environmental 248 (2019), p. 211–217

Calvet, W.; Ümsür, B.; Steigert, A.; Prietzel, K.; Greiner, D.; Kaufmann, C.A.; Unold, T.; Lux-Steiner, M.; Lauermann, I.: In situ investigation of as grown Cu(In,Ga)Se2 thin films by means of photoemission spectroscopy. , Journal of Vacuum Science & Technology A 37 (2019), p. 031510/1-6

Ren, J.; Weber, F.; Weigert, F.; Wang, Y.; Choudhury, S.; Xiao, J.; Lauermann, I.; Resch-Genger, U.; Bande, A.; Petit, T.: Influence of surface chemistry on optical, chemical and electronic properties of blue luminescent carbon dots. , Nanoscale 11 (2019), p. 2056-2064

Cruz, D.; Cerrillo, J.G.; Kumru, B.; Li, N.; Perea, J.D.; Schmidt, B.V.K.J.; Lauermann, I.; Brabec, C.J.; Antonietti, M.: Influence of Thiazole-Modified Carbon Nitride Nanosheets with Feasible Electronic Properties on Inverted Perovskite Solar Cells. , Journal of the American Chemical Society 141 (2019), p. 12322-12328

El-Nagar, G.A.; Delikay, Ö.; Lauermann, I.; Roth, C.: Platinum Nanostructure Tailoring for Fuel Cell Applications Using Levitated Water Droplets as Green Chemical Reactors. , ACS Applied Materials & Interfaces 11 (2019), p. 22398-22407

Christodoulou, C.; Wolter, B.; Ioakeimides, A.; Chouliaras, G.; Wiesner, S.; Lauermann, I.; Centeno, A.; Zurutuza, A.; Lux-Steiner, M.; Fostiropoulos, K.: Surface analysis and surface doping of graphene on indium-tin-oxide. , Thin Solid Films 682 (2019), p. 57-62


El-Nagar, G.A.; Lauermann, I.; Sarhanad, R.M.; Roth, C.: Hierarchically structured iron-doped silver (Ag–Fe) lotus flowers for an efficient oxygen reduction reaction. , Nanoscale 10 (2018), p. 7304-7310

Maticiuc, N.; Kodalle, T.; Lauche, J.; Wenisch, R.; Bertram, T.; Kaufmann, C.A.; Lauermann, I.: In vacuo XPS investigation of Cu(In,Ga)Se2 surface after RbF post-deposition treatment. , Thin Solid Films 665 (2018), p. 143-147


El-Nagar, G.A.; Hassan, M.A.; Lauermann, I.; Roth, C.: Efficient Direct Formic Acid Fuel Cells (DFAFCs) Anode Derived from Seafood waste: Migration Mechanism. , Scientific Reports 7 (2017), p. 17818/1-11

Mei, S.; Jafta, C.J.; Lauermann, I.; Ran, Q.; Kärgell, M.; Ballauff, M.; Lu, Y.: Porous Ti4O7 Particles with Interconnected-Pores Structure as High-Efficiency Polysulfide Mediator for Lithium-Sulfur Batteries. , Advanced Functional Materials 27 (2017), p. 1701176/1-10

Wachau, A.; Schulte, J.; Agoston, P.; Hübler, F.; Steigert, A.; Klenk, R.; Hergert, F.; Eschrich, H.; Probst, V.: Sputtered Zn(O,S) buffer layers for CIGS solar modules - from lab to pilot production. , Progress in Photovoltaics 25 (2017), p. 696-705

Olar, T.; Manoharan, A.; Draxl, C.; Calvet, W.; Ümsur, B.; Parvan, V.; Chacko, B.; Xie, H.; Saucedo, E.; Valle-Rios, L.E.; Neldner, K.; Schorr, S.; Lux-Steiner, M.Ch.; Lauermann, I.: Valence and conduction band edges of selenide and sulfide-based kesterites - a study by x-ray based spectroscopy and ab initio theory. , Semiconductor Science and Technology 32 (2017), p. 104010/1-7


Lauermann, I.; Steigert, A.: CISSY: A station for preparation and surface/interface analysis of thin film materials and devices. , Journal of Large Scale Research Facilities JLSRF 2 (2016), p. A-67

Xie, H.; Lopez-Marino, S.; Olar, T.; Sanchez, Y.; Neuschitzer, M.; Oliva, F.; Giraldo, S.; Izquierdo-Roca, V.; Lauermann, I.; Perez-Rodriguez, A.; Saucedo, E.: Impact of Na Dynamics at the Cu2ZnSn(S,Se)4/CdS Interface During Post Low Temperature Treatment of Absorbers. , ACS Applied Materials & Interfaces 8 (2016), p. 5017-5024


Olar, T.; Lauermann, I.; Xie, H.; Neuschitzer, M.; Saucedo, E.; Calvet, W.; Steigert, A.; Ümsür, B.; Chacko, B.; Parvan, V.; Gorgoi, M.; Senkovskiy, B.; Lux-Steiner, M.Ch.: Assessment of chemical and electronic surface properties of the Cu2ZnSn(SSe)4 after different etching procedures by synchrotron-based spectroscopies. , Energy Procedia 84 (2015), p. 8-16

Neuschitzer, M.; Sanchez, Y.; Olar, T.; Thersleff, T.; Lopez-Marino, S.; Oliva, F.; Espindola-Rodriguez, M.; Xie, H.; Placidi, M.; Izquierdo-Roca, V.; Lauermann, I.; Leifer, K.; Perez-Rodriguez, A.; Saucedo, E.: Complex Surface Chemistry of Kesterites: Cu/Zn Reordering after Low Temperature Postdeposition Annealing and Its Role in High Performance Devices. , Chemistry of Materials 27 (2015), p. 5279-5287

Heinemann, M.D.; Efimova, V.; Klenk, R.; Hoepfner, B.; Wollgarten, M.; Unold, T.; Schock, H.-W.; Kaufmann, C.: Cu(In,Ga)Se2 Superstrate Solar Cells: Prospects and Limitations. , Progress in Photovoltaics 23 (2015), p. 1228–1237

Ümsür, B.; Calvet, W.; Höpfner, B.; Steigert, A.; Lauermann, I.; Gorgoi, M.; Prietzel, K.; Navirian, H.; Kaufmann, C.; Unold, T.; Lux-Steiner, M.: Investigation of Cu-poor and Cu-rich Cu(In,Ga)Se2/CdS interfaces using hard X-ray photoelectron spectroscopy. , Thin Solid Films 582 (2015), p. 366-370

Calvet, W.; Ümsür, B.; Höpfner, B.; Lauermann, I.; Prietzel, K.; Kaufmann, C.A.; Unold, T.; Lux-Steiner, M.C.: Locally resolved investigation of wedged Cu(In,Ga)Se2 films prepared by physical vapor deposition using hard X-ray photoelectron and X-ray fluorescence spectroscopy. , Thin Solid Films 582 (2015), p. 361-365

Heinemann, M.D.; Greiner, D.; Unold, T.; Klenk, R.; Schock, H.-W.; Schlatmann, R.; Kaufmann, C.A.: The Importance of Sodium Control in CIGSe Superstrate Solar Cells. , IEEE Journal of Photovoltaics 5 (2015), p. 378-581

Höpfner, B.; Steigert, A.; Lauermann, I.; Lux-Steiner, M.Ch.: Transparent back contacts for chalcopyrites: Temperature dependency of Cu diffusion into i-ZnO substrates. , EPL 109 (2015), p. 28004/p1-p5


Höpfner, Britta: Diffusion und Phasenbildung bei der Abscheidung von Chalkopyritabsorbern auf transparenten oxidischen Leitern. , Freie Universität Berlin, 2014

Pistor, P.; Greiner, D.; Kaufmann, C.; Brunken, S.; Gorgoi, M.; Steigert, A.; Calvet, W.; Lauermann, I.; Klenk, R.; Unold, T.; Lux-Steiner, M.Ch.: Experimental indication for band gap widening of chalcopyrite solar cell absorbers after potassium fluoride treatment. , Applied Physics Letters 105 (2014), p. 063901/1-4

Caballero, R.; Nichterwitz, M.; Steigert, A.; Eicke, A.; Lauermann, I.; Schock, H.W.; Kaufmann, C.A.: Impact of Na on MoSe2 formation at the CIGSe/Mo interface in thin-film solar cells on polyimide foil at low process temperatures. , Acta Materialia 63 (2014), p. 54-62

Sarmieno-Pérez, R.; Botti, S.; Schnohr, C.S.; Lauermann, I.; Rubio Secades, A.; Johnson, B.: Local versus global electronic properties of chalcopyrite alloys: X-ray absorption spectroscopy and ab initio calculations. , Journal of Applied Physics 116 (2014), p. 093703/1-5


Paul, A.; Paul, N.; Jutimoosik, J.; Yimnirun, R.; Rujirawat, S.; Höpfner, B.; Lauermann, I.; Lux-Steiner, M.; Mattauch, S.; Böni, P.: Change in interface magnetism of an exchange-coupled system due to the presence of nonmagnetic spacers. , Physical Review B 87 (2013), p. 014431/1-18

Ennaoui, A.: Recent progress in scaling up highly efficient Zn(S,O)/Cu-chalcopyrite thin film solar cells and modules at HZB. , Renewable Energy 49 (2013), p. 68-71


Ortel, E.; Sokolov, S.; Zielke, C.; Lauermann, I.; Selve, S.; Weh, K.; Paul, B.; Polte, J.; Kraehnert, R.: Supported Mesoporous and Hierarchical Porous Pd/TiO2 Catalytic Coatings with Controlled Particle Size and Pore Structure. , Chemistry of Materials 24 (2012), p. 3828-3838

Grimm, A.; Kieven, D.; Lauermann, I.; Lux-Steiner, M.Ch.; Hergert, F.; Schwieger, R.; Klenk, R.: Zn(O, S) layers for chalcoyprite solar cells sputtered from a single target. , EPJ Photovoltaics 3 (2012), p. 30302/p1 - p4

Wiesner, S.; Hinrichs, V.; Steigert, A.; Greiner, D.; Ludwig, W.; Lauermann, I.; Rusu, M.; Lux-Steiner, M.Ch.: ZnO Thin Films with adjusted Surface Work Function for Organic Solar Cells. , In: Nowak, S. [Ed.] : 27th European Photovoltaic Solar Energy Conference and Exhibition ; Frankfurt, Main: EU PVSEC ; 24.9.2012-28.9.2012. München: WIP, 2012. - ISBN 3-936338-28-0, p. 2945-2947


Mönig, H.; Kaufmann, C.A.; Fischer, Ch.-H.; Grimm, A.; Caballero, R.; Johnson, B.; Eicke, A.; Lux-Steiner, M.Ch.; Lauermann, I.: Gallium gradients in chalcopyrite thin films: Depth profile analyses of films grown at different temperatures. , Journal of Applied Physics 110 (2011), p. 093509/1-7

Lauermann, I.; Bär, M.; Fischer, C.-H.: Synchrotron-based spectroscopy for the characterization of surfaces and interfaces in chalcopyrite thin-film solar cells. , Solar Energy Materials and Solar Cells 95 (2011), p. 1495-1508

Lauermann, I.: Untersuchung von Grenzflächen in Chalkopyrit-Dünnschichtsolarzellen. , Vakuum in Forschung und Praxis 23 (2011), p. 35-39


Pistor, P.; Kötschau, I.; Grimm, A.; Jung, C.; Lauermann, I.; Lux-Steiner, M.Ch.; Fischer, C.-H.: Extended soft X-ray emission spectroscopy: quantitative assessment of emission intensities. , Journal of Synchrotron Radiation 17 (2010), p. 791-798

Rusu, M.; Wiesner, S.; Lauermann, I.; Fischer, Ch.-H.; Fostiropoulos, K.; Audinot, J.; Fleming, Y.; Lux-Steiner, M.Ch.: Formation of charge-selective Mg–Ag electrodes to CuPc: C60 blend layers. , Applied Physics Letters 97 (2010), p. 073504/1-3

Mönig, H.; Fischer, Ch.-H.; Grimm, A.; Johnson, B.; Kaufmann, C.A.; Caballero, R.; Lauermann, I.; Lux-Steiner, M.Ch.: Surface Cu-depletion of Cu(In,Ga)Se-2 thin films: Further experimental evidence for a defect-induced surface reconstruction. , Journal of Applied Physics 107 (2010), p. 113540/1-5

Johnson, Benjamin: The Role of Cd and Ga in the Cu(In,Ga)S2/CdS Heterojunction Studied with X-Ray Spectroscopic Methods. , Technische Universität Berlin, 2010