Dr. Christoph Kirsch

Work at ZHAW

Position at the ZHAW

Senior Lecturer at the Institute of Computational Physics

dublin.zhaw.ch/~kirs

Education and Continuing education

Expertise and research interests

Electrothermal simulations of solar panels and large-area OLEDs; Mathematical modeling, numerical simulation and optimization of optoelectronic devices; mathematical modeling and numerical simulation of multiphase flow in porous media; mathematical modeling and numerical simulation of electromagnetic waves in a plasma; mathematical models for wave propagation in media with thin slots; numerical methods for multiple scattering problems; numerical methods for problems in large/unbounded domains; numerical methods for wave propagation

Educational background

August 2015 – January 2017 Certificate of Advanced Studies in University Didactics
2009 – 2012 University of North Carolina at Chapel Hill, USA. Postdoc and lecturer
2007 – 2009 Otto-von-Guericke-Universität Magdeburg, Germany. Postdoc
2006 – 2007 Université Henri Poincaré, Nancy, France. Postdoc
2005 – 2006 INRIA Rocquencourt, France. Postdoc
2001 – 2005 Universität Basel, Switzerland. PhD, applied mathematics
1996 – 2001 ETH Zürich, Switzerland. MSc, mathematics

Projects

• Advanced Imaging and Machine Learning for PV Quality Assurance / Team member / Project ongoing
• Advanced Materials and Characterization Tools for Quantum-Dot enhanced Displays / Team member / Project ongoing
• Skinobi – Affordable Sensor to Track Skin Condition and Age / Team member / Project completed

Publications

• Kirsch, Christoph; Fehr, Daniel; Babity, Samuel; Polomska, Anna; Detmar, Michael; Bonmarin, Mathias; Brambilla, Davide,

  2022.

  Development of a diffusion-weighed mathematical model for intradermal drainage quantification.

  Drug Delivery and Translational Research.

  12(4), pp. 897-905.

  Available from: https://doi.org/10.1007/s13346-021-01114-1

• Comi, Ennio; Knapp, Evelyne; Weidmann, Stefano; Kirsch, Christoph; Jenatsch, Sandra; Hiestand, Roman; Ruhstaller, Beat,

  2021.

  Sinusoidal small-signal (AC) and steady-state (DC) analysis of large-area solar cells.

  Solar Energy Advances.

  1(100003).

  Available from: https://doi.org/10.1016/j.seja.2021.100003

• Diethelm, Matthias; Penninck, Lieven; Regnat, Markus; Offermans, Ton; Zimmermann, Birger; Kirsch, Christoph; Hiestand, Roman; Altazin, Stéphane; Ruhstaller, Beat,

  2020.

  Finite element modeling for analysis of electroluminescence and infrared images of thin-film solar cells.

  Solar Energy.

  209, pp. 186-193.

  Available from: https://doi.org/10.1016/j.solener.2020.08.058

• Zeder, Simon; Kirsch, Christoph; Aeberhard, Urs; Blülle, Balthasar; Jenatsch, Sandra; Ruhstaller, Beat,

  2020.

  Coupled 3D master equation and 1D drift‐diffusion approach for advanced OLED modeling.

  Journal of the Society for Information Display.

  28(5), pp. 440-449.

  Available from: https://doi.org/10.1002/jsid.903

• Steinmetz, Lukas; Kirsch, Christoph; Geers, Christoph; Petri-Fink, Alke; Bonmarin, Mathias,

  2020.

  Investigating a lock-in thermal imaging setup for the detection and characterization of magnetic nanoparticles.

  Nanomaterials.

  10(9).

  Available from: https://doi.org/10.3390/nano10091665

• Jabbari, Yasaman; Tsotsas, Evangelos; Kirsch, Christoph; Kharaghani, Abdolreza,

  2019.

  Determination of the moisture transport coefficient from pore network simulations of spontaneous imbibition in capillary porous media.

  Chemical Engineering Science.

  207, pp. 600-610.

  Available from: https://doi.org/10.1016/j.ces.2019.07.002

• Diethelm, Matthias; Penninck, Lieven; Altazin, Stéphane; Hiestand, Roman; Kirsch, Christoph; Ruhstaller, Beat,

  2018.

  Quantitative analysis of pixel crosstalk in AMOLED displays.

  Journal of Information Display.

  19(2), pp. 61-69.

  Available from: https://doi.org/10.1080/15980316.2018.1428232

• Altazin, Stéphane; Kirsch, Christoph; Knapp, Evelyne; Stous, Alexandre; Ruhstaller, Beat,

  2018.

  Refined drift-diffusion model for the simulation of charge transport across layer interfaces in organic semiconductor devices.

  Journal of Applied Physics.

  124(13), pp. 135501.

  Available from: https://doi.org/10.1063/1.5043245

• Kirsch, Christoph; Altazin, Stéphane; Hiestand, Roman; Beierlein, Tilman; Ferrini, Rolando; Offermans, Ton; Pennick, L.; Ruhstaller, Beat,

  2017.

  Electrothermal simulation of large-area semiconductor devices.

  The International Journal of Multiphysics.

  11(2), pp. 127-136.

  Available from: https://doi.org/10.21152/1750-9548.11.2.127

• Altazin, Stéphane; Züfle, Simon; Knapp, Evelyne; Kirsch, Christoph; Schmidt, T.D.; Jäger, L.; Noguchi, Y.; Brütting, W.; Ruhstaller, Beat,

  2016.

  Simulation of OLEDs with a polar electron transport layer.

  Organic Electronics.

  39, pp. 244-249.

  Available from: https://doi.org/10.1016/j.orgel.2016.10.014

• Le, Kieu Hiep; Kharaghani, Abdolreza; Kirsch, Christoph; Tsotsas, Evangelos,

  2016.

  Discrete pore network modeling of superheated steam drying.

  Drying Technology.

  35(13), pp. 1584-1601.

  Available from: https://doi.org/10.1080/07373937.2016.1264414

• Le, Kieu Hiep; Kharaghani, Abdolreza; Kirsch, Christoph; Tsotsas, Evangelos,

  2016.

  Pore network simulations of heat and mass transfer inside an unsaturated capillary porous wick in the dry-out regime.

  Transport in Porous Media.

  114(3), pp. 623-648.

  Available from: https://doi.org/10.1007/s11242-016-0737-4

• Jenatsch, Sandra; Geiger, Thomas; Heier, Jakob; Kirsch, Christoph; Nüesch, Frank; Paracchino, Adriana; Rentsch, Daniel; Ruhstaller, Beat; Véron, Anna C.; Hany, Roland,

  2015.

  Influence of chemically p-type doped active organic semiconductor on the film thickness versus performance trend in cyanine/C60 bilayer solar cells.

  Science and Technology of Advanced Materials.

  16(3).

  Available from: https://doi.org/10.1088/1468-6996/16/3/035003

• Liu, Yingchi; Tippets, Cary A.; Kirsch, Christoph; Mitran, Sorin; Samulski, Edward T.; Lopez, Rene,

  2013.

  Balance between light trapping and charge carrier collection : electro-photonic optimization of organic photovoltaics with ridge-patterned back electrodes.

  Journal of Applied Physics.

  113(24).

  Available from: https://doi.org/10.1063/1.4812235

• Liu, Yingchi; Kirsch, Christoph; Gadisa, Abay; Aryal, Mukti; Mitran, Sorin; Samulski, Edward T.; Lopez, Rene,

  2013.

  Effects of nano-patterned versus simple flat active layers in upright organic photovoltaic devices.

  Journal of Physics D: Applied Physics.

  46(2), pp. 024008.

  Available from: https://doi.org/10.1088/0022-3727/46/2/024008

• Kharaghani, Abdolreza; Kirsch, Christoph; Metzger, Thomas; Tsotsas, Evangelos,

  2013.

  Micro-scale fluid model for drying of highly porous particle aggregates.

  Computers & Chemical Engineering.

  52, pp. 46-54.

  Available from: https://doi.org/10.1016/j.compchemeng.2012.12.003

• Hosseini, Seyed Mohammad Hossein; Kharaghani, Abdolreza; Kirsch, Christoph; Gabbert, Ulrich,

  2013.

  Numerical simulation of Lamb wave propagation in metallic foam sandwich structures : a parametric study.

  Composite Structures.

  97, pp. 387-400.

  Available from: https://doi.org/10.1016/j.compstruct.2012.10.039

• Kirsch, Christoph; Mitran, Sorin,

  2012.

  Simulated annealing electro-photonic optimization of organic solar cells.

  Journal of Applied Physics.

  Available from: https://doi.org/10.1063/1.4748314

• Grote, Marcus J.; Kirsch, Christoph,

  2007.

  Nonreflecting boundary condition for time-dependent multiple scattering.

  Journal of Computational Physics.

  221(1), pp. 41-62.

  Available from: https://doi.org/10.1016/j.jcp.2006.06.007

• Grote, Marcus J.; Kirsch, Christoph,

  2004.

  Dirichlet-to-Neumann boundary conditions for multiple scattering problems.

  Journal of Computational Physics.

  201(2), pp. 630-650.

  Available from: https://doi.org/10.1016/j.jcp.2004.06.012

• Kharaghani, Abdolreza; Kirsch, Christoph; Metzger, Thomas; Tsotsas, Evangelos,

  2015.

  Liquid distribution and structural changes during convective drying of gels

  .

  In:

  Colloid process engineering.

  Springer.

  pp. 93-112.

  Available from: https://doi.org/10.1007/978-3-319-15129-8_5

• Comi, Ennio; Knapp, Evelyne; Battaglia, Mattia; Kirsch, Christoph; Weidmann, Stefano; Jenatsch, Sandra; Hiestand, Roman; Bonmarin, Mathias; Ruhstaller, Beat; et al.,

  2022.

  Electro-thermal model for lock-in infrared imaging of defects in perovskite solar cells [paper].

  In:

  EU PVSEC Proceedings.

  8th World Conference on Photovoltaic Energy Conversion, Milan, Italy, 26-30 September 2022.

  WIP.

  pp. 241-246.

  Available from: https://doi.org/10.4229/WCPEC-82022-2BO.8.3

• Zubiaga, Asier; Kirsch, Christoph; Boiger, Gernot Kurt; Bonmarin, Mathias,

  2021.

  A simple instrument to measure the thermal transport properties of the human skin [paper].

  In:

  Proceedings of the International Symposium on Medical Measurements and Applications.

  2021 IEEE International Symposium on Medical Measurements and Applications (MeMeA), Lausanne, Switzerland, 23-25 June 2021.

  IEEE.

  Available from: https://doi.org/10.1109/MeMeA52024.2021.9478754

• Braga, Daniele; Jenatsch, Sandra; Penninck, Lieven; Hiestand, Roman; Diethelm, Matthias; Altazin, Stéphane; Kirsch, Christoph; Ruhstaller, Beat,

  2019.

  Modeling electrical and optical cross‐talk between adjacent pixels in organic light‐emitting diode displays [paper].

  In:

  SID International Symposium : Digest of Technical Papers.

  International Conference on Display Technology (ICDT), Kunshan, China, 26-29 March 2019.

  Wiley.

  pp. 953-956.

  Available from: https://doi.org/10.1002/sdtp.13083

• Aeberhard, Urs; Altazin, Stéphane; Stepanova, Lidia; Stous, Alexandre; Blulle, Balthasar; Kirsch, Christoph; Knapp, Evelyne; Ruhstaller, Beat,

  2019.

  Numerical optimization of organic and hybrid multijunction solar cells [paper].

  In:

  2019 IEEE 46th Photovoltaic Specialists Conference (PVSC).

  2019 IEEE 46th Photovoltaic Specialists Conference (PVSC), Chicago, USA, 16-21 June 2019.

  IEEE.

  pp. 0105-0111.

  Available from: https://doi.org/10.1109/PVSC40753.2019.8980824

• Altazin, Stéphane; Reynaud, Clément; Mayer, Ursula Maria; Lanz, Thomas; Lapagna, Kevin; Knaack, Reto; Penninck, Lieven; Kirsch, Christoph; Pernstich, Kurt P.; Harkema, Stephan; Hermes, Dorothee; Ruhstaller, Beat,

  2015.

  Simulations, measurements and optimization of OLEDs with scattering layer [paper].

  In:

  SID international symposium : digest of technical papers.

  International Symposium of the Society for Information display (SID), San Jose, USA, 21 May - 5 June 2015.

  Wiley.

  pp. 564-567.

  Available from: https://doi.org/10.1002/sdtp.10478

• Altazin, Stéphane; Lapagna, Kevin; Lanz, Thomas; Kirsch, Christoph; Knaack, Reto; Ruhstaller, Beat,

  2014.

  Design tool for light scattering enhancement in OLEDs [paper].

  In:

  SID symposium : digest of technical papers.

  Organic Light-Emitting Diodes in Society of Information Display, San Diego, USA, 1-6 June 2014.

  Wiley.

  pp. 576-579.

  Available from: https://doi.org/10.1002/j.2168-0159.2014.tb00151.x

• Penninck, Lieven; Diethelm, Matthias; Altazin, Stéphane; Hiestand, Roman; Kirsch, Christoph; Ruhstaller, Beat,

  2018.

  Modelling crosstalk through common semiconductor layers in AMOLED displays.

  Journal of the Society for Information Display.

  26(9), pp. 546-554.

  Available from: https://doi.org/10.1002/jsid.671

• Altazin, Stéphane; Züfle, Simon; Knapp, Evelyne; Kirsch, Christoph; Schmidt, Tobias D.; Jäger, Lars; Brütting, Wolfgang; Ruhstaller, Beat,

  2016.

  Combining simulators and experiments to study the impact of polar OLED materials [paper].

  In:

  SID Symposium Digest of Technical Papers.

  SID International Symposium, San Francisco, USA, 22-27 May 2016.

  Wiley.

  pp. 1750-1753.

  Available from: https://doi.org/10.1002/sdtp.11059

• Altazin, Stéphane; Züfle, Simon; Knapp, Evelyne; Kirsch, Christoph; Schmidt, Tobias D.; Jäger, Lars; Brütting, Wolfgang; Ruhstaller, Beat,

  2016.

  On the role of polar molecules and the barrier for charge injection in OLEDs [paper].

  In:

  So, Franky; Adachi, Chihaya; Kim, Jang-Joo, eds.,

  Proceedings of SPIE, Organic Light Emitting Materials and Devices XX.

  SPIE Organic Photonics + Electronics, San Diego, USA, 28 August - 1 September 2016.

  Available from: https://doi.org/10.1117/12.2238620

• Comi, Ennio; Jenatsch, Sandra; Blülle, Balthasar; Battaglia, Mattia; Torre Cachafeiro, Miguel Angel; Kirsch, Christoph; Hiestand, Roman; Aeberhard, Urs; Ruhstaller, Beat; Knapp, Evelyne,

  2023.

  Investigation of time and location dependent variations in electroluminescence images of perovskite solar cells.

  In:

  Proceedings of the 40th European Photovoltaic Solar Energy Conference and Exhibition.

  40th European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC), Lisbon, Portugal, 18-22 September 2023.

  WIP Renewable Energies.

  pp. 020077-001-020077-022.

Publications before appointment at the ZHAW

dublin.zhaw.ch/~kirs/pub.html

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