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Prof. Dr.  Jan Schmidt

https://orcid.org/0000-0002-4851-4452
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Publications

  1. 2025
  2. Published

    Electronic Passivation of Crystalline Silicon Surfaces Using Spatial‐Atomic‐Layer‐Deposited HfO2 Films and HfO2/SiNx Stacks

    Schmidt, J., Winter, M., Souren, F., Bolding, J. & Vries, H. D., 30 Jan 2025, In: physica status solidi (RRL) – Rapid Research Letters. 19, 2, 2400255.

    Research output: Contribution to journal › Article › Research › peer review

  3. 2023
  4. Published

    Impact of Fast-Firing Conditions on Light- and Elevated-Temperature-Induced Degradation (LeTID) in Ga-Doped Cz-Si

    Winter, M., Walter, D. C. & Schmidt, J., 30 Aug 2023, In: IEEE journal of photovoltaics. 13, 6, p. 849-857 9 p.

    Research output: Contribution to journal › Article › Research › peer review

  5. Published

    Contactless quasi-steady-state photoconductance (QSSPC) characterization of metal halide perovskite thin films

    Grimm, B., Wolter, S. J. & Schmidt, J., 10 Jul 2023, In: Scientific reports. 13, 1, 11163.

    Research output: Contribution to journal › Article › Research › peer review

  6. Published

    Composition and electronic structure of SiOx/TiOy/Al passivating carrier selective contacts on n‑type silicon solar cells

    Flathmann, C., Meyer, T., Titova, V., Schmidt, J. & Seibt, M., 2023, In: Scientific reports. 2023, 13, 3124.

    Research output: Contribution to journal › Article › Research › peer review

  7. 2022
  8. Published

    Diode Factor in Solar Cells with Metastable Defects and Back Contact Recombination

    Wang, T., Ehre, F., Weiss, T. P., Veith-Wolf, B., Titova, V., Valle, N., Melchiorre, M., Ramírez, O., Schmidt, J. & Siebentritt, S., 24 Nov 2022, In: Advanced energy materials. 12, 44, 2202076.

    Research output: Contribution to journal › Article › Research › peer review

  9. Published

    Light and elevated temperature induced degradation and recovery of gallium-doped Czochralski-silicon solar cells

    Winter, M., Walter, D. C., Min, B., Peibst, R., Brendel, R. & Schmidt, J., 16 May 2022, In: Scientific reports. 12, 1, 8089.

    Research output: Contribution to journal › Article › Research › peer review

  10. Published

    On the kinetics of the exchange of hydrogen between hydrogen-boron pairs and hydrogen dimers in crystalline silicon

    Walter, D. C., Voronkov, V. V., Falster, R., Bredemeier, D. & Schmidt, J., 27 Apr 2022, In: Journal of applied physics. 131, 16, 165702.

    Research output: Contribution to journal › Article › Research › peer review

  11. Reassessment of the intrinsic bulk recombination in crystalline silicon

    Niewelt, T., Steinhauser, B., Richter, A., Veith-Wolf, B. A., Fell, A., Hammann, B., Grant, N., Black, L., Tan, J., Youssef, A., Murphy, J., Schmidt, J., Schubert, M. & Glunz, S. W., Jan 2022, In: Solar Energy Materials and Solar Cells. 235, 111467.

    Research output: Contribution to journal › Article › Research › peer review

  12. 2021
  13. Published

    Carrier Lifetime Stability of Boron-Doped Czochralski-Grown Silicon Materials for Years After Regeneration in an Industrial Belt Furnace

    Helmich, L., Walter, D. C., Pernau, T. & Schmidt, J., 26 Oct 2021, In: IEEE Journal of Photovoltaics. 12, 1, p. 198-203 6 p.

    Research output: Contribution to journal › Article › Research › peer review

  14. Published

    Impact of hydrogen on the boron-oxygen-related lifetime degradation and regeneration kinetics in crystalline silicon

    Helmich, L., Walter, D. C., Falster, R., Voronkov, V. V. & Schmidt, J., Oct 2021, In: Solar Energy Materials and Solar Cells. 232, 111340.

    Research output: Contribution to journal › Article › Research › peer review

  15. Published

    Selectivity of TiOx ‐Based Electron‐Selective Contacts on n‐Type Crystalline Silicon and Solar Cell Efficiency Potential

    Titova, V. & Schmidt, J., 16 Sept 2021, In: physica status solidi (RRL) – Rapid Research Letters. 15, 9, 2100246.

    Research output: Contribution to journal › Article › Research › peer review

  16. Published

    Carrier Lifetime Degradation and Regeneration in Gallium- and Boron-Doped Monocrystalline Silicon Materials

    Winter, M., Walter, D. & Schmidt, J., 20 Apr 2021, In: IEEE journal of photovoltaics. 11, 4, p. 866 - 872 7 p., 9408946.

    Research output: Contribution to journal › Article › Research › peer review

  17. Published

    Extraction of PEDOT:PSS/c‐Si Junction Properties by Modeling of Injection‐Dependent Lifetime Measurements Including Depletion Region Modulation

    Halbich, M. & Schmidt, J., 7 Apr 2021, In: Physica Status Solidi - Rapid Research Letters. 15, 4, 2100008.

    Research output: Contribution to journal › Article › Research › peer review

  18. 2020
  19. Published

    Atomic‐Layer‐Deposited Al2O3 as Effective Barrier against the Diffusion of Hydrogen from SiNx:H Layers into Crystalline Silicon during Rapid Thermal Annealing

    Helmich, L., Walter, D. C., Bredemeier, D. & Schmidt, J., 1 Dec 2020, In: Physica Status Solidi - Rapid Research Letters. 14, 12, 2000367.

    Research output: Contribution to journal › Article › Research › peer review

  20. Published

    Ultra-thin passivation layers in Cu(In,Ga)Se2 thin-film solar cells: full-area passivated front contacts and their impact on bulk doping

    Werner, F., Veith-Wolf, B., Melchiorre, M., Babbe, F., Schmidt, J. & Siebentritt, S., 5 May 2020, In: Scientific reports. 10, 7530.

    Research output: Contribution to journal › Article › Research › peer review

  21. Published

    Oxidation as Key Mechanism for Efficient Interface Passivation in Cu(In,Ga)Se2 Thin-Film Solar Cells

    Werner, F., Veith-Wolf, B., Spindler, C., Barget, M. R., Babbe, F., Guillot, J., Schmidt, J. & Siebentritt, S., 4 May 2020, In: Physical review applied. 13, 5, 054004.

    Research output: Contribution to journal › Article › Research › peer review

  22. Published

    Degradation and Regeneration of n+-Doped Poly-Si Surface Passivation on p-Type and n-Type Cz-Si under Illumination and Dark Annealing

    Winter, M., Bordihn, S., Peibst, R., Brendel, R. & Schmidt, J., 22 Jan 2020, In: IEEE journal of photovoltaics. 10, 2, p. 423-430 8 p., 8964568.

    Research output: Contribution to journal › Article › Research › peer review

  23. Published

    Fast and Slow Stages of Lifetime Degradation by Boron–Oxygen Centers in Crystalline Silicon

    Schmidt, J., Bothe, K., Voronkov, V. V. & Falster, R., 9 Jan 2020, In: physica status solidi (b). 257, 1, 1900167.

    Research output: Contribution to journal › Article › Research › peer review

  24. 2019
  25. Published

    Light-induced lifetime degradation effects at elevated temperature in Czochralski-grown silicon beyond boron-oxygen-related degradation

    Winter, M., Walter, D. C., Bredemeier, D. & Schmidt, J., Oct 2019, In: Solar Energy Materials and Solar Cells. 201, 110060.

    Research output: Contribution to journal › Article › Research › peer review

  26. Published

    Easy-to-apply methodology to measure the hydrogen concentration in boron-doped crystalline silicon

    Walter, D. C., Bredemeier, D., Falster, R., Voronkov, V. V. & Schmidt, J., 15 Sept 2019, In: Solar Energy Materials and Solar Cells. 200, 109970.

    Research output: Contribution to journal › Article › Research › peer review

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