Dr. Dirk Hauschild

Dr. Dirk Hauschild

Current positons
  • Scientist at KIT IPS
  • Adjunct Assistant Professor at the Department of Chemistry & Biochemistry, University of Nevada, Las Vegas (UNLV)
  • Responsible for the "EFFCIS" project (BMWi) at KIT ITCP
Previous positions
  • Postdoc at KIT LAS
  • PhD student at the University of Würzburg
Field of research
  • Investigation of the chemical and electronic structure of surfaces and interfaces of materials for energy conversion, in particular thin-film solar cells and catalysts using electron and soft x-ray spectroscopies
  • Studying in situ chemical reactions at surfaces and interfaces using synchrotron-based technique
Research Highlights
  • L. Weinhardt, D. Hauschild, and C. Heske, “Surface and Interface Properties in Thin-Film Solar Cells: Using Soft X-rays and Electrons to unravel the Electronic and Chemical Structure”, Advanced Materials 31, 1806660 (2019). DOI: 10.1002/adma.201806660
  • D. Hauschild, F. Meyer, A. Benkert‚ D. Kreikemeyer-Lorenzo, T. Dalibor, J. Palm, M. Blum, W. Yang, R.G. Wilks, M. Bär, F. Reinert, C. Heske, and L. Weinhardt, “Improving Performance by Na Doping of a Buffer Layer – Chemical and Electronic Structure of the InxSy:Na /CuIn(S,Se)2 Thin-Film Solar Cell Interface”, Prog. Photovoltaics Res. Appl. 26, 359-366 (2018). DOI: 10.1002/pip.2993
  • D. Hauschild, D. Kreikemeyer-Lorenzo, P. Jackson, T. Magorian Friedlmeier, D. Hariskos, F. Reinert, M. Powalla, C. Heske, and L. Weinhardt, ”Impact of a RbF Postdeposition Treatment on the Electronic Structure of the CdS/Cu(In,Ga)Se2 Heterojunction in High-Efficiency Thin-Film Solar Cells”, ACS Energy Lett. 2, 2383 (2017). DOI: 10.1021/acsenergylett.7b00720

Publications


  1. Direct Observation of Reactant, Intermediate, and Product Species for Nitrogen Oxide-Selective Catalytic Reduction on Cu-SSZ-13 Using In Situ Soft X-ray Spectroscopy
    Seitz, L. C.; Doronkin, D. E.; Hauschild, D.; Casapu, M.; Zengel, D.; Zimina, A.; Kreikemeyer-Lorenzo, D.; Blum, M.; Yang, W.; Grunwaldt, J.-D.; Heske, C.; Weinhardt, L.
    2022. The Journal of Physical Chemistry C. doi:10.1021/acs.jpcc.2c04736
  2. Using the inelastic background in hard x-ray photoelectron spectroscopy for a depth-resolved analysis of the CdS/Cu(In,Ga)Se₂ interface
    Hauschild, D.; Steininger, R.; Hariskos, D.; Witte, W.; Tougaard, S.; Heske, C.; Weinhardt, L.
    2021. Journal of vacuum science & technology / A, 39 (6), Article no: 063216. doi:10.1116/6.0001336
  3. Efficient passivation of n-type and p-type silicon surface defects by hydrogen sulfide gas reaction
    Das, U. K.; Theisen, R.; Hua, A.; Upadhyaya, A.; Lam, I.; Mouri, T. K.; Jiang, N.; Hauschild, D.; Weinhardt, L.; Yang, W.; Rohatgi, A.; Heske, C.
    2021. Journal of physics / Condensed matter, 33 (46), Article no: 464002. doi:10.1088/1361-648X/ac1ec8
  4. InO:H-Based Hole-Transport-Layer-Free Tin/Lead Perovskite Solar Cells for Efficient Four-Terminal All-Perovskite Tandem Solar Cells
    Moghadamzadeh, S.; Hossain, I. M.; Loy, M.; Ritzer, D. B.; Hu, H.; Hauschild, D.; Mertens, A.; Becker, J.-P.; Haghighirad, A. A.; Ahlswede, E.; Weinhardt, L.; Lemmer, U.; Nejand, B. A.; Paetzold, U. W.
    2021. ACS applied materials & interfaces, 13 (39), 46488–46498. doi:10.1021/acsami.1c06457
  5. X-SPEC: a 70 eV to 15 keV undulator beamline for X-ray and electron spectroscopies
    Weinhardt, L.; Steininger, R.; Kreikemeyer-Lorenzo, D.; Mangold, S.; Hauschild, D.; Batchelor, D.; Spangenberg, T.; Heske, C.
    2021. Journal of synchrotron radiation, 28 (Part2), 609–617. doi:10.1107/S1600577520016318
  6. Impact of n-Butylammonium Bromide on the Chemical and Electronic Structure of Double-Cation Perovskite Thin Films
    Hauschild, D.; Seitz, L.; Gharibzadeh, S.; Steininger, R.; Jiang, N.; Yang, W.; Paetzold, U. W.; Heske, C.; Weinhardt, L.
    2021. ACS Applied Materials and Interfaces, 13 (44), 53202–53210. doi:10.1021/acsami.1c15707
  7. Coupling methylammonium and formamidinium cations with halide anions: Hybrid orbitals, hydrogen bonding, and the role of dynamics
    Kamal, C.; Weinhardt, L.; Odelius, M.; Hauschild, D.; Seitz, L.; Steininger, R.; Yang, W.; Heske, C.
    2021. Journal of Physical Chemistry C, 125 (46), 25917–25926. doi:10.1021/acs.jpcc.1c08932
  8. Impact of substrate temperature during NaF and KF post-deposition treatments on chemical and optoelectronic properties of alkali-free Cu(In,Ga)Se₂ thin film solar cell absorbers
    Eslam, A.; Wuerz, R.; Hauschild, D.; Weinhardt, L.; Hempel, W.; Powalla, M.; Heske, C.
    2021. Thin Solid Films, 739, Article no: 138979. doi:10.1016/j.tsf.2021.138979
  9. Sulfate Speciation Analysis Using Soft X-ray Emission Spectroscopy
    Weinhardt, L.; Hauschild, D.; Steininger, R.; Jiang, N.; Blum, M.; Yang, W.; Heske, C.
    2021. Analytical chemistry, 93 (23), 8300–8308. doi:10.1021/acs.analchem.1c01187
  10. Steep sulfur gradient in CZTSSe solar cells by HS-assisted rapid surface sulfurization
    Taskesen, T.; Pareek, D.; Hauschild, D.; Haertel, A.; Weinhardt, L.; Yang, W.; Pfeiffelmann, T.; Nowak, D.; Heske, C.; Gütay, L.
    2021. RSC Advances, 11 (21), 12687–12695. doi:10.1039/d1ra00494h
  11. Dynamic Effects and Hydrogen Bonding in Mixed-Halide Perovskite Solar Cell Absorbers
    Wilks, R. G.; Erbing, A.; Sadoughi, G.; Starr, D. E.; Handick, E.; Meyer, F.; Benkert, A.; Iannuzzi, M.; Hauschild, D.; Yang, W.; Blum, M.; Weinhardt, L.; Heske, C.; Snaith, H. J.; Odelius, M.; Bär, M.
    2021. The journal of physical chemistry letters, 12, 3885–3890. doi:10.1021/acs.jpclett.1c00745
  12. Chemical Structure of a Carbon-Rich Layer at the Wet-Chemical Processed CuZnSn(S,Se)/Mo Interface
    Hauschild, D.; Wachs, S. J.; Kogler, W.; Seitz, L.; Carter, J.; Schnabel, T.; Krause, B.; Blum, M.; Yang, W.; Ahlswede, E.; Heske, C.; Weinhardt, L.
    2021. IEEE Journal of Photovoltaics. doi:10.1109/JPHOTOV.2021.3059423
  13. Observation of Double Excitations in the Resonant Inelastic X-ray Scattering of Nitric Oxide
    Fouda, A. E. A.; Seitz, L. C.; Hauschild, D.; Blum, M.; Yang, W.; Heske, C.; Weinhardt, L.; Besley, N. A.
    2020. The journal of physical chemistry letters, 11 (18), 7476–7482. doi:10.1021/acs.jpclett.0c01981
  14. Impact of UV-induced ozone and low-energy Ar-ion cleaning on the chemical structure of Cu(In,Ga)(S,Se)absorber surfaces
    Van Maris, V. R.; Hauschild, D.; Niesen, T. P.; Eraerds, P.; Dalibor, T.; Palm, J.; Blum, M.; Yang, W.; Heske, C.; Weinhardt, L.
    2020. Journal of applied physics, 128 (15), Art. Nr.: 155301. doi:10.1063/5.0020253
  15. Sulfurization as a promising surface passivation approach for both n- and p-type Si
    Das, U.; Theisen, R.; Hanket, G.; Upadhyaya, A.; Rohatgi, A.; Hua, A.; Weinhardt, L.; Hauschild, D.; Heske, C.
    2020. 47th IEEE Photovoltaic Specialists Conference (PVSC), 1167–1170, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/PVSC45281.2020.9300395
  16. Hybrid chemical bath deposition-CdS/sputter-Zn(O,S) alternative buffer for Cu2ZnSn(S,Se)4 based solar cells editors-pick
    Kogler, W.; Schnabel, T.; Ahlswede, E.; Taskesen, T.; Gütay, L.; Hauschild, D.; Weinhardt, L.; Heske, C.; Seeger, J.; Hetterich, M.; Powalla, M.
    2020. Journal of applied physics, 127 (16), 165301. doi:10.1063/1.5142550
  17. Vacuum‐Assisted Growth of Low‐Bandgap Thin Films (FAMASnPbI) for All‐Perovskite Tandem Solar Cells
    Abdollahi Nejand, B.; Hossain, I. M.; Jakoby, M.; Moghadamzadeh, S.; Abzieher, T.; Gharibzadeh, S.; Schwenzer, J. A.; Nazari, P.; Schackmar, F.; Hauschild, D.; Weinhardt, L.; Lemmer, U.; Richards, B. S.; Howard, I. A.; Paetzold, U. W.
    2020. Advanced energy materials, 10 (5), Article: 1902583. doi:10.1002/aenm.201902583
  18. Perovskite Solar Cells: Record Open‐Circuit Voltage Wide‐Bandgap Perovskite Solar Cells Utilizing 2D/3D Perovskite Heterostructure
    Gharibzadeh, S.; Abdollahi Nejand, B.; Jakoby, M.; Abzieher, T.; Hauschild, D.; Moghadamzadeh, S.; Schwenzer, J. A.; Brenner, P.; Schmager, R.; Haghighirad, A. A.; Weinhardt, L.; Lemmer, U.; Richards, B. S.; Howard, I. A.; Paetzold, U. W.
    2019. Advanced energy materials, 9 (21), 1970079. doi:10.1002/aenm.201970079
  19. Interfacial Silicide Formation and Stress Evolution during Sputter Deposition of Ultrathin Pd Layers on a-Si
    Krause, B.; Abadias, G.; Furgeaud, C.; Michel, A.; Resta, A.; Coati, A.; Garreau, Y.; Vlad, A.; Hauschild, D.; Baumbach, T.
    2019. ACS applied materials & interfaces, 11 (42), 39315–39323. doi:10.1021/acsami.9b11492
  20. Modifications of the CZTSe/Mo back-contact interface by plasma treatments
    Chen, W.; Taskesen, T.; Nowak, D.; Mikolajczak, U.; Sayed, M. H.; Pareek, D.; Ohland, J.; Schnabel, T.; Ahlswede, E.; Hauschild, D.; Weinhardt, L.; Heske, C.; Parisi, J.; Gütay, L.
    2019. RSC Advances, 9 (46), 26850–26855. doi:10.1039/c9ra02847a
  21. Intermixing at the InS/CuZnSn(S,Se) Heterojunction and Its Impact on the Chemical and Electronic Interface Structure
    Hauschild, D.; Mezher, M.; Schnabel, T.; Spiering, S.; Kogler, W.; Carter, J.; Blum, M.; Yang, W.; Ahlswede, E.; Heske, C.; Weinhardt, L.
    2019. ACS applied energy materials, 2 (6), 4098–4104. doi:10.1021/acsaem.9b00263
  22. Local electronic structure of the peptide bond probed by resonant inelastic soft X-ray scattering
    Weinhardt, L.; Benkert, A.; Meyer, F.; Blum, M.; Hauschild, D.; Wilks, R. G.; Bär, M.; Yang, W.; Zharnikov, M.; Reinert, F.; Heske, C.
    2019. Physical chemistry, chemical physics. doi:10.1039/c9cp02481f
  23. Cadmium free Cu₂ZnSnS₄ solar cells with 9.7% efficiency
    Larsen, J. K.; Larsson, F.; Törndahl, T.; Saini, N.; Riekehr, L.; Ren, Y.; Biswal, A.; Hauschild, D.; Weinhardt, L.; Heske, C.; Platzer-Björkman, C.
    2019. Advanced energy materials, 1900439. doi:10.1002/aenm.201900439
  24. Record Open‐Circuit Voltage Wide‐Bandgap Perovskite Solar Cells Utilizing 2D/3D Perovskite Heterostructure
    Gharibzadeh, S.; Abdollahi Nejand, B.; Jakoby, M.; Abzieher, T.; Hauschild, D.; Moghadamzadeh, S.; Schwenzer, J. A.; Brenner, P.; Schmager, R.; Haghighirad, A. A.; Weinhardt, L.; Lemmer, U.; Richards, B. S.; Howard, I. A.; Paetzold, U. W.
    2019. Advanced energy materials, 9 (21), Article: 1803699. doi:10.1002/aenm.201803699
  25. Surface and Interface Properties in Thin-Film Solar Cells: Using Soft X-rays and Electrons to Unravel the Electronic and Chemical Structure
    Weinhardt, L.; Hauschild, D.; Heske, C.
    2019. Advanced materials, 31 (26), Article: 1806660. doi:10.1002/adma.201806660
  26. Rubidium Fluoride Post-Deposition Treatment: Impact on the Chemical Structure of the Cu(In,Ga)Se2 Surface and CdS/Cu(In,Ga)Se2 Interface in Thin-Film Solar Cells
    Kreikemeyer-Lorenzo, D.; Hauschild, D.; Jackson, P.; Friedlmeier, T. M.; Hariskos, D.; Blum, M.; Yang, W.; Reinert, F.; Powalla, M.; Heske, C.; Weinhardt, L.
    2018. ACS applied materials & interfaces, 10 (43), 37602–37608. doi:10.1021/acsami.8b10005
  27. Improving performance by Na doping of a buffer layer—chemical and electronic structure of the InxSy:Na/CuIn(S,Se)2 thin‐film solar cell interface
    Hauschild, D.; Meyer, F.; Benkert, A.; Kreikemeyer-Lorenzo, D.; Dalibor, T.; Palm, J.; Blum, M.; Yang, W.; Wilks, R. G.; Bär, M.; Reinert, F.; Heske, C.; Weinhardt, L.
    2018. Progress in photovoltaics, 26 (5), 359–366. doi:10.1002/pip.2993
  28. Site-specific electronic structure of imidazole and imidazolium in aqueous solutions
    Meyer, F.; Blum, M.; Benkert, A.; Hauschild, D.; Jeyachandran, Y. L.; Wilks, R. G.; Yang, W.; Bär, M.; Reinert, F.; Heske, C.; Zharnikov, M.; Weinhardt, L.
    2018. Physical chemistry, chemical physics, 20 (12), 8302–8310. doi:10.1039/C7CP07885D
  29. Impact of a RbF Postdeposition Treatment on the Electronic Structure of the CdS/Cu(In,Ga)Se2 Heterojunction in High-Efficiency Thin-Film Solar Cells
    Hauschild, D.; Kreikemeyer-Lorenzo, D.; Jackson, P.; Friedlmeier, T. M.; Hariskos, D.; Reinert, F.; Powalla, M.; Heske, C.; Weinhardt, L.
    2017. ACS energy letters, 2 (10), 2383–2387. doi:10.1021/acsenergylett.7b00720
  30. X-ray Emission Spectroscopy of Proteinogenic Amino Acids at All Relevant Absorption Edges
    Meyer, F.; Blum, M.; Benkert, A.; Hauschild, D.; Jeyachandran, Y. L.; Wilks, R. G.; Yang, W.; Bär, M.; Heske, C.; Reinert, F.; Zharnikov, M.; Weinhardt, L.
    2017. The journal of physical chemistry <Washington, DC> / B, 121 (27), 6549–6556. doi:10.1021/acs.jpcb.7b04291
  31. Titanium Dioxide Nanoparticles : Synthesis, X-Ray Line Analysis and Chemical Composition Study
    Chenari, H. M.; Seibel, C.; Hauschild, D.; Reinert, F.; Abdollahian, H.
    2016. Materials research, 19 (6), 1319–1323. doi:10.1590/1980-5373-MR-2016-0288
  32. Soft X-ray Spectroscopy of a Complex Heterojunction in High-Efficiency Thin-Film Photovoltaics: Intermixing and Zn Speciation at the Zn(O,S)/Cu(In,Ga)Se₂ Interface
    Mezher, M.; Garris, R.; Mansfield, L. M.; Blum, M.; Hauschild, D.; Horsley, K.; Duncan, D. A.; Yang, W.; Bär, M.; Weinhardt, L.; Ramanathan, K.; Heske, C.
    2016. ACS applied materials & interfaces, 8 (48), 33256–33263. doi:10.1021/acsami.6b09245
  33. A closer look at initial CdS growth on high-efficiency Cu(In, Ga)Se<inf>2</inf> absorbers using surface-sensitive methods
    Friedlmeier, T. M.; Jackson, P.; Kreikemeyer-Lorenzo, D.; Hauschild, D.; Kiowski, O.; Hariskos, D.; Weinhardt, L.; Heske, C.; Powalla, M.
    2016. 2016 IEEE 43rd Photovoltaic Specialists Conference (PVSC), Portland, OR, USA, 5–10 June 2016, 0457–0461, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/PVSC.2016.7749634
  34. Band-Gap Widening at the Cu(In,Ga)(S,Se)(2) Surface: A Novel Determination Approach Using Reflection Electron Energy Loss Spectroscopy
    Hauschild, D.; Handick, E.; Goehl-Gusenleitner, S.; Meyer, F.; Schwab, H.; Benkert, A.; Pohlner, S.; Palm, J.; Tougaard, S.; Heske, C.; Weinhardt, L.; Reinert, F.
    2016. ACS applied materials & interfaces, 8 (32), 21101–21105. doi:10.1021/acsami.6b06358
  35. Isotope Effects in the Resonant Inelastic Soft X-ray Scattering Maps of Gas-Phase Methanol
    Benkert, A.; Meyer, F.; Hauschild, D.; Blum, M.; Yang, W.; Wilks, R. G.; Baer, M.; Reinert, F.; Heske, C.; Weinhardt, L.
    2016. The journal of physical chemistry <Washington, DC> / A, 120 (14), 2260–2267. doi:10.1021/acs.jpca.6b02636
  36. Annealing-induced effects on the chemical structure of the In₂S₃/CuIn(S,Se)₂ thin-film solar cell interface
    Hauschild, D.; Meyer, F.; Benkert, A.; Kreikemeyer-Lorenzo, D.; Pohlner, S.; Palm, J.; Blum, M.; Yang, W.; Wilks, R. G.; Bär, M.; Heske, C.; Weinhardt, L.; Reinert, F.
    2015. The journal of physical chemistry <Washington, DC> / C, 119 (19), 10412–10416. doi:10.1021/acs.jpcc.5b01622
  37. Complete determination of molecular orbitals by measurement of phase symmetry and electron density
    Wießner, M.; Hauschild, D.; Sauer, C.; Feyer, V.; Schöll, A.; Reinert, F.
    2014. Nature Communications, 5, Art.-Nr. 4156. doi:10.1038/ncomms5156
  38. Quantitative analysis of electron energy loss spectra and modelling of optical properties of multilayer systems for extreme ultraviolet radiation regime
    Gusenleitner, S.; Handick, E.; Hauschild, D.; Reinert, F.
    2014. Journal of applied physics, 115 (12), 123513. doi:10.1063/1.4869201
  39. "Building Block Picture" of the electronic structure of aqueous cysteine derived from resonant Inelastic soft X-ray scattering
    Meyer, F.; Blum, M.; Benkert, A.; Hauschild, D.; Nagarajan, S.; Wilks, R. G.; Andersson, J.; Yang, W.; Zharnikov, M.; Bär, M.; Heske, C.; Reinert, F.; Weinhardt, L.
    2014. The journal of physical chemistry <Washington, DC> / B, 118, 13142–13150. doi:10.1021/jp5089417
  40. Impact of environmental conditions on the chemical surface properties of Cu(In,Ga)(S,Se)₂ thin-film solar cell absorbers
    Hauschild, D.; Meyer, F.; Pohlner, S.; Lechner, R.; Dietmüller, R.; Palm, J.; Heske, C.; Weinhardt, L.; Reinert, F.
    2014. Journal of applied physics, 115, 183707/1–5. doi:10.1063/1.4876257
  41. Factor analysis and advanced inelastic background analysis in XPS: Unraveling time dependent contamination growth on multilayers and thin films
    Gusenleitner, S.; Hauschild, D.; Graber, T.; Ehm, D.; Tougaard, S.; Reinert, F.
    2013. Surface science, 616, 161–165. doi:10.1016/j.susc.2013.05.017
  42. Electronic and geometric structure of the PTCDA/Ag(110) interface probed by angle-resolved photoemission
    Wießner, M.; Hauschild, D.; Schöll, A.; Reinert, F.; Feyer, V.; Winkler, K.; Krömker, B.
    2012. Physical Review B, 86 (4), Art.-Nr. 045417. doi:10.1103/PhysRevB.86.045417
  43. Aging effects of Cu(In, Ga)(S, Se)2 absorbers in thin-film solar sells studied by spectroscopy
    Hauschild, D.; Meyer, F.; Pohlner, S.; Lechner, R.; Dietmüller, R.; Palm, J.; Weinhardt, L.; Reinert, F.
    2012. Poster: Spring Meeting of the European Materials Research Society, Strasbourg, F, May 14-18, 2012