CISSY

CIS - diagnostic using Synchrotron radiation

Publications

2024

Kumar, S.H.B.V.; Muydinov, R.; Maticiuc, N.; Alktash, N.; Rusu, M.; Seibertz, B.B.O.; Köbler, H.; Abate, A.; Unold, T.; Lauermann, I.; Szyszka, B.: Hollow Cathode Gas Flow Sputtering of Nickel Oxide Thin Films for Hole-Transport Layer Application in Perovskite Solar Cells. , Advanced Energy & Sustainability Research early view (2024), p. 2300201
doi: 10.1002/aesr.202300201

2023

Jerigova, M.; Markushyna, Y.; Teixeira, I. F.; Badamdorj, B.; Isaacs, M.; Cruz, D.; Lauermann, I.; Muñoz-Márquez, M.Á.; Tarakina, N.V.; López-Salas, N.; Savateev, O.; Jimenéz-Calvo, P.: Green Light Photoelectrocatalysis with Sulfur-Doped Carbon Nitride: Using Triazole-Purpald for Enhanced Benzylamine Oxidation and Oxygen Evolution Reactions. , Advanced Science 10 (2023), p. 2300099/1-16
doi: 10.1002/advs.202300099

Kafedjiska, I.; Farias-Basulto, G.A.; Reyes-Figueroa, P.; Bertram, T.; Al-Ashouri, A.; Kaufmann, C.A.; Wenisch, R.; Albrecht, S.; Schlatmann, R.; Lauermann, I.: Integration of rough RTP absorbers into CIGS-perovskite monolithic tandems by NiOx(:Cu)+SAM Hole-transporting Bi-layers. , Solar Energy Materials and Solar Cells 254 (2023), p. 112248/1-10
doi: 10.1016/j.solmat.2023.112248

2022

Aktas, E.; Pudi, R.; Phung, N.; Wenisch, R.; Gregori, L.; Meggiolaro, D.; Flatken, M.A.; De Angelis, F.; Lauermann, I.; Abate, A.; Palomares, E.: Role of Terminal Group Position in Triphenylamine-Based Self-Assembled Hole-Selective Molecules in Perovskite Solar Cells. , ACS Applied Materials & Interfaces 14 (2022), p. 17461-17469
doi: 10.1021/acsami.2c01981

Steigert, A.; Kojda, D.; Ibaceta-Jaña, J.; Abou-Ras, D.; Gunder, R.; Alktash, N.; Habicht, K.; Wagner, M.R.; Klenk, R.; Raoux, S.; Szyszka, B.; Lauermann, I.; Muydinov, R.: Water-assisted crystallization of amorphous indium zinc oxide films. , Materials Today Communications 31 (2022), p. 103213/1-10
doi: 10.1016/j.mtcomm.2022.103213

2021

Bao, F.; Kemppainen, E.; Dorbandt, I.; Xi, F.; Bors, R.; Maticiuc, N.; Wenisch, R.; Bagacki, R.; Schary, C.; Michalczik, U.; Bogdanoff, P.; Lauermann, I.; Krol, R. van de; Schlatmann, R.; Calnan, S.: Host, Suppressor, and Promoter - The Roles of Ni and Fe on Oxygen Evolution Reaction Activity and Stability of NiFe Alloy Thin Films in Alkaline Media. , ACS Catalysis 11 (2021), p. 10537-10552
doi: 10.1021/acscatal.1c01190

Maleki, M.; Tichter, T.; El-Nagar, G.A.; Lauermann, I.; Roth, C.: Hybrid Electrospun Nanofibers as Electrocatalyst for Vanadium Redox Flow Batteries: Theory and Experiment. , ChemElectroChem 8 (2021), p. 218 –226
doi: 10.1002/celc.202001380

Wang, H.; Delacroix, S.; Zieleniewska, A.; Hou, J.; Tarakina, N.V.; Cruz, D.; Lauermann, I.; Ferguson, A.J.; Blackburn, J.L.; Strauss, V.: In Situ Synthesis of Molybdenum Carbide Nanoparticles Incorporated into Laser-Patterned Nitrogen-Doped Carbon for Room Temperature VOC Sensing. , Advanced Functional Materials 31 (2021), p. 2104061/1-11
doi: 10.1002/adfm.202104061

Aktas, E.; Phung, N.; Köbler, H.; González, D.A.; Méndez, M.; Kafedjiska, I.; Turren-Cruz, S.-H.; Wenisch, R.; Lauermann, I.; Abate, A.; Palomares, E.: Understanding the perovskite/self-assembled selective contact interface for ultra-stable and highly efficient p–i–n perovskite solar cells. , Energy & Environmental Science 14 (2021), p. 3976–3985
doi: 10.1039/d0ee03807e

2020

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
doi: 10.1016/j.apsusc.2020.145941

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
doi: 10.1039/c9gc03826d

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
doi: 10.1016/j.ijhydene.2020.01.216

2019

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
doi: 10.1016/j.jechem.2018.06.010

Lauermann, I.; Salis, E.; Gerber, A.; Wenzel Andreasen, J.; Gevorgyan, S.A.; Betts, T.; Blagovest, M.; Gottschalg, R.; Osman Kodolbas, A.; Yilmaz, O.; Leidl, R.; Rennhofer, M.; Zamini, S.; Acciarri, M.; Binetti, S.; Lotter, E.; Bakker, K.; Kroon, J.; Soppe, W.; Razongles, G.; Mercaldo, L.V.; Roca, F.; Romano, A.; Hohl-Ebinger, J.; Warta, W.; Balenzategui, J.L.; Trigo, J.F.; Neubert, S.; Schlatmann, R.; Pavanello, D.; Müllejans, H.: European thin film tandem device proficiency test-practical outcomes and preliminary results. , In: 36th European Photovoltaic Solar Energy Conference and Exhibition. München: WIP, 2019. - ISBN 3-936338-60-4, p. 649-653
doi: 10.4229/EUPVSEC20192019-3BV.1.6

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
doi: 10.1016/j.apcatb.2019.02.016

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
doi: 10.1116/1.5089412

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
doi: 10.1039/c8nr08595a

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
doi: 10.1021/jacs.9b03639

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
doi: 10.1021/acsami.9b05156

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
doi: 10.1016/j.tsf.2019.05.012

2018

Parvan, V.; Mizrak, A.; Majumdar, I.; Ümsür, B.; Calvet, W.; Greiner, D.; Kaufmann, C.A.; Dittrich, T.; Avancini, E.; Lauermann, I.: Cu(In,Ga)Se2 surface treatment with Na and NaF: A combined photoelectron spectroscopy and surface photovoltage study in ultra-high vacuum. , Applied Surface Science 444 (2018), p. 436-441
doi: 10.1016/j.apsusc.2018.03.014

Kodalle, T.; Heinemann, M.D.; Greiner, D.; Yetkin, H.A.; Klupsch, M.; Li, C.; Aken, P.A. van; Lauermann, I.; Schlatmann, R.; Kaufmann, C.A.: Elucidating the Mechanism of an RbF Post Deposition Treatment in CIGS Thin Film Solar Cells. , Solar RRL 2 (2018), p. 1800156/1-9
doi: 10.1002/solr.201800156

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
doi: 10.1039/C8NR00020D

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
doi: 10.1016/j.tsf.2018.09.026

Wang, Y.; Wenisch, R.; Schlatmann, R.; Lauermann, I.: Inorganic Materials as Hole Selective Contacts and Intermediate Tunnel Junction Layer for Monolithic Perovskite-CIGSe Tandem Solar Cells. , Advanced Energy Materials (2018), p. 1801692/1-18
doi: 10.1002/aenm.201801692

2017

El-Nagar, G.A.; Hassan, M.A.; Fetyan, A.; Kayarkatte, M.K.; Lauermann, I.; Roth, C.: A Promising N-doped Carbon-Metal Oxide Hybrid Electrocatalyst Derived from Crustacean’s Shells: Oxygen Reduction and Oxygen Evolution. , Applied Catalysis B: Environmental 214 (2017), p. 137-147
doi: 10.1016/j.apcatb.2017.05.030

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
doi: 10.1038/s41598-017-17978-8

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
doi: 10.1002/adfm.201701176

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
doi: 10.1002/pip.2880

Ümsür, Bünyamin: Surface Engineering of Cu(In,Ga)Se2 by KF and CdS – a Study by High-Energy Photoemission Spectroscopy. , Berlin, Freie Universität Berlin, Diss., 2017

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
doi: 10.1088/1361-6641/aa89db

2016

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
doi: 10.17815/jlsrf-2-84

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
doi: 10.1021/acsami.5b12243

2015

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
doi: 10.1016/j.egypro.2015.12.289

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
doi: 10.1021/acs.chemmater.5b01473

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
doi: 10.1002/pip.2536

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
doi: 10.1016/j.tsf.2014.08.049

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
doi: 10.1016/j.tsf.2014.11.067

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
doi: 10.1109/JPHOTOV.2014.2360332

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
doi: 10.1209/0295-5075/109/28004

2014

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
doi: 10.1063/1.4892882

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
doi: 10.1016/j.actamat.2013.09.051

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
doi: 10.1063/1.4893579

2013

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
doi: 10.1103/PhysRevB.87.014431

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
doi: 10.1016/j.renene.2012.01.064

2012

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
doi: 10.1021/cm301081w

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
doi: 10.1051/epjpv/2012011

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
doi: 10.4229/27thEUPVSEC2012-3DV.4.59

2011

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
doi: 10.1063/1.3656986

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
doi: 10.1016/j.solmat.2010.12.042

Lauermann, I.: Untersuchung von Grenzflächen in Chalkopyrit-Dünnschichtsolarzellen. , Vakuum in Forschung und Praxis 23 (2011), p. 35-39
doi: 10.1002/vipr.201100452

2010

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
doi: 10.1107/S0909049510031444

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
doi: 10.1063/1.3481395

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
doi: 10.1063/1.3427539

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

CISSY