Prof. Dr. Beat Ruhstaller

Work at ZHAW

Position

Head of Organic Electronics and Photovoltaics

Projects

• Packaging technology, stability evaluation, and non-destructive testing for commercialization of perovskite solar modules / Deputy project leader / ongoing
• Rationally Designed Thin Contact Layers enabling Large-Scale Perovskite-on-Silicon Tandem Photovoltaics / Co-project leader / ongoing
• Defect Engineering, Advanced Modelling and Characterization for Next Generation Opto-Electronic-Ionic Devices / Deputy project leader / ongoing
• Fabrication of single crystal perovskite memristor / Project leader / completed
• Advanced Materials and Characterization Tools for Quantum-Dot enhanced Displays / Deputy project leader / completed
• PV2050: Simulation and Characterization / Deputy project leader / completed

Publications

Articles in scientific journal, peer-reviewed

• Aeberhard, U. et al. (2026) 'Electro-thermal energy yield simulations for bifacial all-perovskite tandem modules', EPJ Photovoltaics, 17(12). doi: 10.1051/epjpv/2026005.
• Zeder, S. J. et al. (2025) 'Impact of luminescent coupling on perovskite‐silicon tandem external quantum efficiency quantified by comprehensive opto‐electronic simulation', Solar RRL, 9(24), p. e202500823. doi: 10.1002/solr.202500823.
• Torre Cachafeiro, M. A. et al. (2025) 'Visualising ionic screening in perovskite solar cells : a bumpy ride along the J-V curve', EES Solar, 1(5), pp. 762–774. doi: 10.1039/d5el00133a.
• Zeder, S. J. et al. (2025) 'Optimizing perovskite LEDs and tandem PV cells : the role of photon-recycling and luminescent coupling in presence of strong light scattering', APL Energy, 3(2), p. 026110. doi: 10.1063/5.0268284.
• Othman, M. et al. (2025) 'Suppression of stacking faults for stable formamidinium‐rich perovskite absorbers', Advanced Materials, 37(26), p. 2502142. doi: 10.1002/adma.202502142.
• Stanzani, E. et al. (2025) 'Evidence for localized trap formation during TADF OLED degradation', Organic Electronics, 139(107204). doi: 10.1016/j.orgel.2025.107204.
• Schiller, A. et al. (2024) 'Assessing the influence of illumination on ion conductivity in perovskite solar cells', The Journal of Physical Chemistry Letters, 15(45), pp. 11252–11258. doi: 10.1021/acs.jpclett.4c02403.
• Kissling, G. P., Ruhstaller, B. and Pernstich, K. P. (2023) 'Measuring frontier orbital energy levels of OLED materials using cyclic voltammetry in solution', Organic Electronics, 122(106888). doi: 10.1016/j.orgel.2023.106888.
• Battaglia, M. et al. (2023) 'Deep ensemble inverse model for image-based estimation of solar cell parameters', APL Machine Learning, 1(3), p. 036108. doi: 10.1063/5.0139707.
• Regnat, M. et al. (2022) 'Pinpointing the origin of the increased driving voltage during prolonged operation in a phosphorescent OLED based on an exciplex host', Organic Electronics, 108(106570). doi: 10.1016/j.orgel.2022.106570.
• Aeberhard, U., Zeder, S. J. and Ruhstaller, B. (2022) 'Impact of photon recycling on the light extraction from metal halide perovskite light emitting diodes', Optical and Quantum Electronics, 54(10), p. 617. doi: 10.1007/s11082-022-03791-9.
• Aeberhard, U. et al. (2022) 'Analysis and optimization of organic tandem solar cells by full opto-electronic simulation', Frontiers in Photonics, 3(891565). doi: 10.3389/fphot.2022.891565.
• Sem, S. et al. (2022) 'Determining non-radiative decay rates in TADF compounds using coupled transient and steady state optical data', Journal of Materials Chemistry C, 10(12), pp. 4878–4885. doi: 10.1039/D1TC05594A.
• Zeder, S., Ruhstaller, B. and Aeberhard, U. (2022) 'Assessment of photon recycling in perovskite solar cells by fully coupled optoelectronic simulation', Physical Review Applied, 17(1), p. 014023. doi: 10.1103/PhysRevApplied.17.014023.
• Comi, E. et al. (2021) 'Sinusoidal small-signal (AC) and steady-state (DC) analysis of large-area solar cells', Solar Energy Advances, 1(100003). doi: 10.1016/j.seja.2021.100003.
• Aeberhard, U., Zeder, S. and Ruhstaller, B. (2021) 'Reconciliation of dipole emission with detailed balance rates for the simulation of luminescence and photon recycling in perovskite solar cells', Optics Express, 29(10), pp. 14773–14788. doi: 10.1364/OE.424091.
• Diethelm, M. et al. (2020) 'Finite element modeling for analysis of electroluminescence and infrared images of thin-film solar cells', Solar Energy, 209, pp. 186–193. doi: 10.1016/j.solener.2020.08.058.
• Zeder, S. et al. (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. doi: 10.1002/jsid.903.
• Jagielski, J. et al. (2020) 'Scalable photonic sources using two-dimensional lead halide perovskite superlattices', Nature Communications, 11(1). doi: 10.1038/s41467-019-14084-3.
• Jenatsch, S. et al. (2020) 'Combining steady-state with frequency and time domain data to quantitatively analyze charge transport in organic light-emitting diodes', Journal of Applied Physics, 127(3). doi: 10.1063/1.5132599.
• Hofmann, A. J. L. et al. (2019) 'Dipolar doping of organic semiconductors to enhance carrier injection', Physical Review Applied, 12(6), p. 064052. doi: 10.1103/PhysRevApplied.12.064052.
• Regnat, M. et al. (2019) 'Routes for efficiency enhancement in fluorescent TADF exciplex host OLEDs gained from an electro‐optical device model', Advanced Electronic Materials, 6(2), p. 1900804. doi: 10.1002/aelm.201900804.
• Diethelm, M. et al. (2019) 'The dynamic emission zone in sandwich polymer light‐emitting electrochemical cells', Advanced Functional Materials, 2019(1906803). doi: 10.1002/adfm.201906803.
• Regnat, M., Pernstich, K. and Ruhstaller, B. (2019) 'Influence of the bias-dependent emission zone on exciton quenching and OLED efficiency', Organic Electronics, 70, pp. 219–226. doi: 10.1016/j.orgel.2019.04.027.
• Neukom, M. T. et al. (2019) 'Consistent device simulation model describing perovskite solar cells in steady-state, transient, and frequency domain', ACS Applied Materials & Interfaces, 11(26), pp. 23320–23328. doi: 10.1021/acsami.9b04991.
• Jenatsch, S. et al. (2018) 'Quantitative analysis of charge transport in intrinsic and doped organic semiconductors combining steady-state and frequency-domain data', Journal of Applied Physics, 124(105501). doi: 10.1063/1.5044494.
• Altazin, S. et al. (2018) 'Design of perovskite/crystalline-silicon monolithic tandem solar cells', Optics Express, 26(10), pp. A579–A590. doi: 10.1364/OE.26.00A579.
• Diethelm, M. et al. (2018) 'Quantitative analysis of pixel crosstalk in AMOLED displays', Journal of Information Display, 19(2), pp. 61–69. doi: 10.1080/15980316.2018.1428232.
• Fluhr, D. et al. (2018) 'Aluminum electrode insulation dynamics via interface oxidation by reactant diffusion in organic layers', Physica status solidi A, 215(23). doi: 10.1002/pssa.201800474.
• Altazin, S. et al. (2018) 'Refined drift-diffusion model for the simulation of charge transport across layer interfaces in organic semiconductor devices', Journal of Applied Physics, 124(13), p. 135501. doi: 10.1063/1.5043245.
• Neukom, M. et al. (2018) 'Opto-electronic characterization of third-generation solar cells', Science and Technology of Advanced Materials, 19(1), pp. 291–316. doi: 10.1080/14686996.2018.1442091.
• Wang, L. et al. (2018) 'Organic salt semiconductor with high photoconductivity and long carrier lifetime', Advanced Functional Materials, 28(16), p. 1705724. doi: 10.1002/adfm.201705724.
• Regnat, M. et al. (2018) 'Analysis of the bias-dependent split emission zone in phosphorescent OLEDs', ACS Applied Materials & Interfaces, 10(37), pp. 31552–31559. doi: 10.1021/acsami.8b09595.
• Kirsch, C. et al. (2017) 'Electrothermal simulation of large-area semiconductor devices', The International Journal of Multiphysics, 11(2), pp. 127–136. doi: 10.21152/1750-9548.11.2.127.
• Neukom, M. et al. (2017) 'Why perovskite solar cells with high efficiency show small IV-curve hysteresis', Solar Energy Materials & Solar Cells, 169, pp. 159–166. doi: 10.1016/j.solmat.2017.05.021.
• Züfle, S. et al. (2017) 'Determination of charge transport activation energy and injection barrier in organic semiconductor devices', Journal of Applied Physics, 122(115502). doi: 10.1063/1.4992041.
• Züfle, S. et al. (2017) 'The use of charge extraction by linearly increasing voltage in polar organic light-emitting diodes', Journal of Applied Physics, 121(175501). doi: 10.1063/1.4982903.
• Altazin, S. et al. (2016) 'Simulation of OLEDs with a polar electron transport layer', Organic Electronics, 39, pp. 244–249. doi: 10.1016/j.orgel.2016.10.014.
• Züfle, S. et al. (2015) 'An effective area approach to model lateral degradation in organic solar cells', Advanced Energy Materials, 5(20). doi: 10.1002/aenm.201500835.
• Jenatsch, S. et al. (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). doi: 10.1088/1468-6996/16/3/035003.
• Knapp, E. and Ruhstaller, B. (2015) 'Analysis of negative capacitance and self-heating in organic semiconductor devices', Journal of Applied Physics, 117(13). doi: 10.1063/1.4916981.
• Eck, M. et al. (2014) 'Improved efficiency of bulk heterojunction hybrid solar cells by utilizing CdSe quantum dot–graphene nanocomposites', Physical Chemistry Chemical Physics, 16(24), pp. 12251–12260. doi: 10.1039/c4cp01566e.
• Jenatsch, S. et al. (2014) 'Influence of molybdenum oxide interface solvent sensitivity on charge trapping in bilayer cyanine solar cells', The Journal of Physical Chemistry C, 118(30), pp. 17036–17045. doi: 10.1021/jp5005314.
• Lanz, T. et al. (2013) 'Electrothermal finite-element modeling for defect characterization in thin-film silicon solar modules', IEEE Journal of Selected Topics in Quantum Electronics, 19(5), pp. 1–8. doi: 10.1109/JSTQE.2013.2250259.
• Lanz, T. et al. (2012) 'Photocurrent increase in amorphous Si solar cells by increased reflectivity of LiF/Al electrodes', Solar Energy Materials & Solar Cells, 107, pp. 259–262. doi: 10.1016/j.solmat.2012.06.044.
• Neukom, M. T., Züfle, S. and Ruhstaller, B. (2012) 'Reliable extraction of organic solar cell parameters by combining steady-state and transient techniques', Organic Electronics, 13(12), pp. 2910–2916. doi: 10.1016/j.orgel.2012.09.008.
• Knapp, E. and Ruhstaller, B. (2012) 'The role of shallow traps in dynamic characterization of organic semiconductor devices', Journal of Applied Physics, 112(2). doi: 10.1063/1.4739303.
• Knapp, E. and Ruhstaller, B. (2011) 'Numerical impedance analysis for organic semiconductors with exponential distribution of localized states', Applied Physics Letters, 99(9). doi: 10.1063/1.3633109.
• Knapp, E. and Ruhstaller, B. (2011) 'Numerical analysis of steady-state and transient charge transport in organic semiconductor devices', Optical and Quantum Electronics, 42(11–13), pp. 667–677. doi: 10.1007/s11082-011-9443-1.
• Lanz, T. et al. (2011) 'Extended light scattering model incorporating coherence for thin-film silicon solar cells', Journal of Applied Physics, 110(3). doi: 10.1063/1.3622328.
• Knapp, E. et al. (2010) 'Numerical simulation of charge transport in disordered organic semiconductor devices', Journal of Applied Physics, 108(5), pp. 054504–1–054504–8. doi: 10.1063/1.3475505.
• Häusermann, R. et al. (2009) 'Coupled opto-electronic simulation of organic bulk-heterojunction solar cells : parameter extraction and sensitivity analysis', Journal of Applied Physics, 106(10), p. 104507. doi: 10.1063/1.3259367.
• Leger, J. M., Carter, S. A. and Ruhstaller, B. (2005) 'Recombination profiles in poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene] light-emitting electrochemical cells', Journal of Applied Physics, 98(12). doi: 10.1063/1.2149162.
• Leger, J. M. et al. (2003) 'Thickness-dependent changes in the optical properties of PPV- and PF-based polymer light emitting diodes', Physical Review B, 68(5). doi: 10.1103/PhysRevB.68.054209.
• Beierlein, T. A. et al. (2003) 'Investigation of internal processes in organic light-emitting devices using thin sensing layers', Synthetic Metals, 138(1–2), pp. 213–221. doi: 10.1016/S0379-6779(02)01269-9.
• Riel, H. et al. (2003) 'Phosphorescent top-emitting organic light-emitting devices with improved light outcoupling', Applied Physics Letters, 82(3). doi: 10.1063/1.1537052.
• Ruhstaller, B. et al. (2001) 'Transient and steady-state behavior of space charges in multilayer organic light-emitting diodes', Journal of Applied Physics, 89(8), p. 4575. doi: 10.1063/1.1352027.
• Ruhstaller, B. et al. (2000) 'Bias-tuned reduction of self-absorption in polymer blend electroluminescence', Chemical Physics Letters, 317(3-5), pp. 238–244. doi: 10.1016/S0009-2614(99)01390-1.
• Bliznyuk, V. N. et al. (1999) 'Self-assembled nanocomposite polymer light-emitting diodes with improved efficiency and luminance', Advanced Materials, 11(15), pp. 1257–1261. doi: 10.1002/(SICI)1521-4095(199910)11:15<1257::AID-ADMA1257>3.0.CO;2-D.
• Salis, G. et al. (1998) 'Subband densities in quantum wells under in-plane magnetic fields', Physical Review B, 58(3), pp. 1436–1441. doi: 10.1103/PhysRevB.58.1436.

Book chapters, peer-reviewed

Altazin, S., Penninck, L. and Ruhstaller, B. (2018) 'Outcoupling technologies : concepts, simulation, and implementation', in Handbook of organic light-emitting diodes. Tokyo: Springer, pp. 1–22. doi: 10.1007/978-4-431-55761-6_21-1.

Written conference contributions, peer-reviewed

• Krucker, T. et al. (2025) 'The influence of SAMs on the performance and stability of perovskite solar cells'.
• Stanzani, E. et al. (2025) 'Clear distinction between triplet‐polaron quenching (TPQ) and triplet‐triplet annihilation (TTA) in OLEDs via combined characterization and simulation', in SID Symposium Digest of Technical Papers. Wiley, pp. 2241–2244. doi: 10.1002/sdtp.18685.
• Georgakopoulos-Paltidis, V. et al. (2025) 'Numerical analysis of trap‐induced negative capacitance in organic light‐emitting diodes', in SID Symposium Digest of Technical Papers. Wiley, pp. 638–641. doi: 10.1002/sdtp.18889.
• Blülle, B. et al. (2025) 'Exciton dynamics and degradation mechanism in TADF OLEDs assessed by modulated electroluminescence spectroscopy', in SID Display Week Symposium, San José, CA, USA, 11 - 16 May 2025.
• Stanzani, E. et al. (2024) 'Comprehensive exploration of exciton quenching in OLEDs through combined characterization and computational simulation', in SID Symposium Digest of Technical Papers. Wiley, pp. 401–404. doi: 10.1002/sdtp.17093.
• Regnat, M. et al. (eds) (2024) Modeling the impact of the illumination geometry on the light conversion efficiency in quantum dot down-conversion films, International Conference on Display Technology (ICDT), Hefei, China, 31 March - 3 April 2024.
• Comi, E. et al. (2022) 'Electro-thermal model for lock-in infrared imaging of defects in perovskite solar cells', in EU PVSEC Proceedings. WIP, pp. 241–246. doi: 10.4229/WCPEC-82022-2BO.8.3.
• Aeberhard, U. et al. (2022) 'Effects of self‐absorption and photon recycling in metal‐halide Perovskite LEDs assessed by full opto‐electronic device simulation', in SID Display Week Symposium, San José, CA, USA, 10-13 May 2022.
• Sem, S. et al. (2022) 'Estimating non‐radiative decay rates in TADF emitters using steady‐state and transient optical data', in SID Display Week Symposium, San José, CA, USA, 10-13 May 2022.
• Aeberhard, U., Zeder, S. and Ruhstaller, B. (2021) 'Rigorous simulation of photon recycling effects in perovskite solar cells and LEDs', in 2021 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD). IEEE, pp. 63–64. doi: 10.1109/NUSOD52207.2021.9541505.
• Aeberhard, U., Zeder, S. J. and Ruhstaller, B. (2021) 'Photon recycling in perovskite solar cells assessed by a detailed-balance compatible dipole emission model', in 2021 IEEE 48th Photovoltaic Specialists Conference (PVSC). IEEE, pp. 0278–0282. doi: 10.1109/PVSC43889.2021.9518720.
• Regnat, M. et al. (2021) 'Detailed explanation of the increased driving voltage in a TADF exciplex host OLED during prolonged operation via a quantitative device model', in 13th Asian Conference on Organic Electronics (A-COE 2021), Online, 2-4 September 2021.
• Knapp, E. et al. (2021) 'XGBoost trained on synthetic data to extract material parameters of organic semiconductors', in Proceedings of the 8th SDS. IEEE, pp. 46–51. doi: 10.1109/SDS51136.2021.00015.
• Häusermann, R. et al. (2021) 'Optimizing charge transport and reducing excitonic loss channels in fluorescent doped TADF OLEDs', in SID International Symposium : Digest of Technical Papers. Wiley, pp. 341–344. doi: 10.1002/sdtp.14686.
• Jenatsch, S. et al. (2021) 'Combining steady‐state, frequency, and time domain data for a comprehensive analysis of multilayer TADF OLEDs', in SID International Symposium : Digest of Technical Papers. Wiley, pp. 299–302. doi: 10.1002/sdtp.14470.
• Aeberhard, U. et al. (2020) 'Computational device optimization and parameter extraction for perovskite-based solar cells', in Freundlich, A., Sugiyama, M., and Collin, S. (eds) Physics, Simulation, and Photonic Engineering of Photovoltaic Devices IX. SPIE, p. 112750B. doi: 10.1117/12.2545507.
• Aeberhard, U. et al. (2020) 'Analysis and optimization of perovskite-silicon tandem solar cells by full opto-electronic simulation', in 2020 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD). IEEE, pp. 37–38. doi: 10.1109/NUSOD49422.2020.9217773.
• Jenatsch, S. et al. (2020) 'Combining steady‐state, frequency, and time domain data for a comprehensive analysis of multilayer TADF OLEDs', in SID International Symposium : Digest of Technical Papers. Wiley, pp. 634–637. doi: 10.1002/sdtp.13947.
• Braga, D. et al. (2019) 'Modeling electrical and optical cross‐talk between adjacent pixels in organic light‐emitting diode displays', in SID International Symposium : Digest of Technical Papers. Wiley, pp. 953–956. doi: 10.1002/sdtp.13083.
• Aeberhard, U. et al. (2019) 'Numerical optimization of organic and hybrid multijunction solar cells', in 2019 IEEE 46th Photovoltaic Specialists Conference (PVSC). IEEE, pp. 0105–0111. doi: 10.1109/PVSC40753.2019.8980824.
• Blülle, B. et al. (2019) 'Light conversion and scattering properties of QD films for display applications : angle‐resolved optical spectroscopy and numerical simulation', in SID International Symposium : Digest of Technical Papers. Wiley. doi: 10.1002/sdtp.13512.
• Altazin, S. et al. (2015) 'Simulations, measurements and optimization of OLEDs with scattering layer', in SID international symposium : digest of technical papers. Wiley, pp. 564–567. doi: 10.1002/sdtp.10478.
• Knapp, E. and Ruhstaller, B. (2015) 'Analysis of self-heating and negative capacitance in organic semiconductors devices', in International Symposium of the Society for Information display (SID), San Jose, USA, 21 May - 5 June 2015. Wiley, pp. 778–781. doi: 10.1002/sdtp.10224.
• Altazin, S. et al. (2014) 'Design tool for light scattering enhancement in OLEDs', in Digest of Technical Papers. Wiley, pp. 576–579. doi: 10.1002/j.2168-0159.2014.tb00151.x.
• Lanz, T. et al. (2014) 'Failure modes in all-plastic encapsulated flexible organic solar modules : experimental and computational analysis', in Graetzel, M. and Nazeeruddin, M. (eds) Proceedings of the 6th International Conference on Hybrid and Organic Photovoltaics (HOPV14). nanoGe.
• Altazin, S. et al. (2013) 'Multi-scale modeling of organic light-emitting devices', in SID International Symposium: Digest of Technical Papers. Wiley, pp. 1486–1489. doi: 10.1002/j.2168-0159.2013.tb06529.x.

Other publications

• Zeder, S. et al. (2023) 'Photon recycling in metal halide perovskites : its modeling and relevance to optoelectronic devices', in Martínez-Pastor, J. P., Boix, P. P., and Xing, G. (eds) Metal Halide Perovskites for Generation, Manipulation and Detection of Light. Amsterdam: Elsevier, pp. 507–545. doi: 10.1016/B978-0-323-91661-5.00001-5.
• Aeberhard, U., Hiestand, R. and Ruhstaller, B. (2020) 'Simulation of beam shaping by micro‐textures for curved displays', in SID International Symposium : Digest of Technical Papers. Wiley, pp. 957–959. doi: 10.1002/sdtp.14030.
• Jenatsch, S. et al. (2019) 'Quantitative analysis of charge transport in single‐carrier devices and OLEDs combining DC and AC data', in SID International Symposium : Digest of Technical Papers, pp. 1895–1898. doi: 10.1002/sdtp.13333.
• Penninck, L. et al. (2018) 'Modelling crosstalk through common semiconductor layers in AMOLED displays', Journal of the Society for Information Display, 26(9), pp. 546–554. doi: 10.1002/jsid.671.
• Jenatsch, S. et al. (2018) 'Time-dependent p–i–n structure and emission zone in sandwich-type light-emitting electrochemical cells', ACS Photonics, 5(4), pp. 1591–1598. doi: 10.1021/acsphotonics.8b00047.
• Altazin, S. et al. (2016) 'Combining simulators and experiments to study the impact of polar OLED materials', in SID Symposium Digest of Technical Papers. Wiley, pp. 1750–1753. doi: 10.1002/sdtp.11059.
• Losio, P. A. et al. (2016) 'Evolutionary optimization of TCO/mesh electrical contacts in CIGS solar cells', in Proceedings of the EU PVSEC 2016 (Munich). WIP Wirtschaft und Infrastruktur, pp. 1237–1240. doi: 10.21256/zhaw-1987.
• Altazin, S. et al. (2016) 'On the role of polar molecules and the barrier for charge injection in OLEDs', in So, F., Adachi, C., and Kim, J.-J. (eds) Proceedings of SPIE. doi: 10.1117/12.2238620.
• Knapp, E. and Ruhstaller, B. (2015) 'Analysis of self-heating and trapping in organic semiconductor devices', in So, F., Adachi, C., and Kim, J.-J. (eds) Organic Light Emitting Materials and Devices XIX. SPIE. doi: 10.1117/12.2185712.
• Altazin, S. et al. (2013) 'Impact of light scattering for efficiency enhancement in organic solar cells', in 28th European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC), Paris, France, 30 September - 4 October 2013. WIP. doi: 10.21256/zhaw-1994.
• Ruhstaller, B. et al. (2006) 'Optoelectronic OLED modeling for characterization and optimization', in Organic Electronics Conference and Exhibition, Frankfurt, Germany, 25-27 September 2006.
• Ruhstaller, B. et al. (2004) 'Parameter extraction and validation of an electronic and optical model for organic light-emitting devices', in Wachutka, G. and Schrag, G. (eds) Simulation of Semiconductor Processes and Devices 2004. Springer, pp. 157–161. doi: 10.21256/zhaw-1995.
• Ruhstaller, B. and Schwarzenbach, H. U. (2004) 'Virtuelle Experimente für die Ingenieurausbildung', ZHWInfo, 19, p. 45.
• Hocker, T. et al. (2003) 'Mikro- und Nanotechnologie am Center for Computational Physics', ZHWInfo, 17.
• Ruhstaller, B. et al. (2003) 'Simulating electronic and optical processes in multilayer organic light-emitting devices', IEEE Journal of Selected Topics in Quantum Electronics, 9(3), pp. 723–731. doi: 10.1109/JSTQE.2003.818852.
• Beierlein, T. A. et al. (2002) 'Tuning of electrical and optical properties of organic LEDs using combinatorial device fabrication', Journal of the Society for Information Display, 10(4), pp. 311–315. doi: 10.1889/1.1827883.

Oral conference contributions and abstracts

• Jenatsch, S. et al. (2025) 'Assessing the origins and impacts of inhomogeneities in perovskite solar cells by imaging techniques and device simulations', in Proceedings of the MATSUS Fall 2025 Conference. Fundació de la comunitat valenciana SCITO. doi: 10.29363/nanoge.matsusfall.2025.213.
• Torre Cachafeiro, M. et al. (2025) 'Ionic screening and its impact on J-V curves in carbon-based perovskite solar cells', in Proceedings of International Conference on Perovskite Thin Film Photovoltaics and Perovskite Photonics and Optoelectronics (NIPHO25). Fundació de la comunitat valenciana SCITO. doi: 10.29363/nanoge.nipho.2025.004.
• Braga, D. et al. (2025) 'Investigating inhomogeneities and turn-on dynamics in carbon-based perovskite solar cells using advanced imaging and simulation techniques', in Proceedings of the International Conference on Hybrid and Organic Photovoltaics. Fundació de la comunitat valenciana SCITO. doi: 10.29363/nanoge.hopv.2025.025.
• Schiller, A. et al. (2024) 'Assessing the influence of illumination on ion conductivity in perovskite solar cells', in Proceedings of the MATSUS Spring 2025 Conference. Fundació de la comunitat valenciana SCITO. doi: 10.29363/nanoge.matsusspring.2025.418.
• Comi, E. et al. (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. München: WIP, pp. 020077–001–020077–022.
• Regnat, M. et al. (2021) 'Advanced characterization and device simulation towards better understanding of OLED degradation mechanisms', in 21st International Meeting on Information Display (IMID 2021), Seoul, Korea, 25-27 August 2021.
• Lanz, T. et al. (2013) 'Light harvesting analysis of novel thin-film electrode architectures in microcrystalline silicon solar cells with hybrid Fourier and geometrical optics simulator', in European Materials Research Society (E-MRS) 2013 Spring Meeting, Strasbourg, France, 27-31 May 2013.

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