Prof. Dr. Beat Ruhstaller

Personal profile

Position at the ZHAW

www.zhaw.ch/icp/oepho

Membership of networks

• Google Scholar (Up-to-date Publication List and Citation Index)
• Electrosuisse Informationstechnische Gesellschaft (ITG)
• Swiss National Laboratory for Solid State Lighting
• Swiss Research Platform in Photovoltaics

Projects

• Advanced Materials and Characterization Tools for Quantum-Dot enhanced Displays / Deputy project leader / Project ongoing
• Defect Engineering, Advanced Modelling and Characterization for Next Generation Opto-Electronic-Ionic Devices / Deputy project leader / Project ongoing
• LED-basierte Wasseraufbereitung / Project co-leader / Project completed
• In-Mold Electronics-Project for OLED-Integration in plastics / Deputy project leader / Project completed
• PV2050: Simulation and Characterization / Deputy project leader / Project completed

Publications

• Sem, Stefano; Jenatsch, Sandra; Stavrou, Kleitos; Danos, Andrew; Monkman, Andrew P.; Ruhstaller, Beat,

  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.

  Available from: https://doi.org/10.1039/D1TC05594A

• Zeder, Simon; Ruhstaller, Beat; Aeberhard, Urs,

  2022.

  Assessment of photon recycling in perovskite solar cells by fully coupled optoelectronic simulation.

  Physical Review Applied.

  17(1), pp. 014023.

  Available from: https://doi.org/10.1103/PhysRevApplied.17.014023

• Aeberhard, Urs; Zeder, Simon J.; Ruhstaller, Beat,

  2022.

  Impact of photon recycling on the light extraction from metal halide perovskite light emitting diodes.

  Optical and Quantum Electronics.

  54(10), pp. 617.

  Available from: https://doi.org/10.1007/s11082-022-03791-9

• Regnat, Markus; Moon, Chang-Ki; Jenatsch, Sandra; Ruhstaller, Beat; Pernstich, Kurt P.,

  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).

  Available from: https://doi.org/10.1016/j.orgel.2022.106570

• Aeberhard, Urs; Zeder, Simon; Ruhstaller, Beat,

  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.

  Available from: https://doi.org/10.1364/OE.424091

• 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

• Jenatsch, Sandra; Züfle, Simon; Blülle, Balthasar; Ruhstaller, Beat,

  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).

  Available from: https://doi.org/10.1063/1.5132599

• Jagielski, Jakub; Solari, Simon F.; Jordan, Lucie; Scullion, Declan; Blülle, Balthasar; Li, Yen-Ting; Krumeich, Frank; Chiu, Yu-Cheng; Ruhstaller, Beat; Santos, Elton J. G.; Shih, Chih-Jen,

  2020.

  Scalable photonic sources using two-dimensional lead halide perovskite superlattices.

  Nature Communications.

  11(1).

  Available from: https://doi.org/10.1038/s41467-019-14084-3

• Hofmann, Alexander J.L.; Züfle, Simon; Shimizu, Kohei; Schmid, Markus; Wessels, Vivien; Jäger, Lars; Altazin, Stéphane; Ikegami, Keitaro; Khan, Motiur Rahman; Neher, Dieter; Ishii, Hisao; Ruhstaller, Beat; Brütting, Wolfgang,

  2019.

  Dipolar doping of organic semiconductors to enhance carrier injection.

  Physical Review Applied.

  12(6).

  Available from: https://doi.org/10.1103/PhysRevApplied.12.064052

• Regnat, Markus; Pernstich, Kurt P.; Kim, Kwon‐Hyeon; Kim, Jang‐Joo; Nüesch, Frank; Ruhstaller, Beat,

  2019.

  Routes for efficiency enhancement in fluorescent TADF exciplex host OLEDs gained from an electro‐optical device model.

  Advanced Electronic Materials.

  6(2), pp. 1900804.

  Available from: https://doi.org/10.1002/aelm.201900804

• Diethelm, Matthias; Schiller, Andreas; Kawecki, Maciej; Devižis, Andrius; Blülle, Balthasar; Jenatsch, Sandra; Knapp, Evelyne; Grossmann, Quirin; Ruhstaller, Beat; Nüesch, Frank; Hany, Roland,

  2019.

  The dynamic emission zone in sandwich polymer light‐emitting electrochemical cells.

  Advanced Functional Materials.

  2019(1906803).

  Available from: https://doi.org/10.1002/adfm.201906803

• Regnat, Markus; Pernstich, Kurt; Ruhstaller, Beat,

  2019.

  Influence of the bias-dependent emission zone on exciton quenching and OLED efficiency.

  Organic Electronics.

  70, pp. 219-226.

  Available from: https://doi.org/10.1016/j.orgel.2019.04.027

• Neukom, Martin T.; Schiller, Andreas; Züfle, Simon; Knapp, Evelyne; Ávila, Jorge; Pérez-del-Rey, Daniel; Dreessen, Chris; Zanoni, Kassio P.S.; Sessolo, Michele; Bolink, Henk J.; Ruhstaller, Beat,

  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.

  Available from: https://doi.org/10.1021/acsami.9b04991

• Regnat, Markus; Pernstich, Kurt P.; Züfle, Simon; Ruhstaller, Beat,

  2018.

  Analysis of the bias-dependent split emission zone in phosphorescent OLEDs.

  ACS Applied Materials & Interfaces.

  10(37), pp. 31552-31559.

  Available from: https://doi.org/10.1021/acsami.8b09595

• Fluhr, Daniel; Züfle, Simon; Muhsin, Burhan; Öttking, Rolf; Seeland, Marco; Roesch, Roland; Schubert, Ulrich S.; Ruhstaller, Beat; Krischok, Stefan; Hoppe, Harald,

  2018.

  Aluminum electrode insulation dynamics via interface oxidation by reactant diffusion in organic layers.

  Physica status solidi A.

  215(23).

  Available from: https://doi.org/10.1002/pssa.201800474

• Altazin, Stéphane; Stepanova, L.; Werner, J.; Niesen, B.; Ballif, C.; Ruhstaller, B.,

  2018.

  Design of perovskite/crystalline-silicon monolithic tandem solar cells.

  Optics Express.

  26(10), pp. A579-A590.

  Available from: https://doi.org/10.1364/OE.26.00A579

• Neukom, Martin; Züfle, Simon; Jenatsch, Sandra; Ruhstaller, Beat,

  2018.

  Opto-electronic characterization of third-generation solar cells.

  Science and Technology of Advanced Materials.

  19(1), pp. 291-316.

  Available from: https://doi.org/10.1080/14686996.2018.1442091

• Wang, Lei; Jenatsch, Sandra; Ruhstaller, Beat; Hinderling, Christian; Gesevičius, Donatas; Hany, Roland; Nüesch, Frank,

  2018.

  Organic salt semiconductor with high photoconductivity and long carrier lifetime.

  Advanced Functional Materials.

  28(16), pp. 1705724.

  Available from: https://doi.org/10.1002/adfm.201705724

• Jenatsch, Sandra; Altazin, Stéphane; Will, Paul Anton; Neukom, Martin T.; Knapp, Evelyne; Züfle, Simon; Lenk, Simone; Reineke, Sebastian; Ruhstaller, Beat,

  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).

  Available from: https://doi.org/10.1063/1.5044494

• 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

• Züfle, Simon; Altazin, Stéphane; Hofmann, Alexander; Jäger, Lars; Neukom, Martin T.; Brütting, Wolfgang; Ruhstaller, Beat,

  2017.

  Determination of charge transport activation energy and injection barrier in organic semiconductor devices.

  Journal of Applied Physics.

  122(115502).

  Available from: https://doi.org/10.1063/1.4992041

• Züfle, Simon; Altazin, Stéphane; Hofmann, Alexander; Jäger, Lars; Neukom, Martin; Schmidt, Tobias D.; Brütting, Wolfgang; Ruhstaller, Beat,

  2017.

  The use of charge extraction by linearly increasing voltage in polar organic light-emitting diodes.

  Journal of Applied Physics.

  121(175501).

  Available from: https://doi.org/10.1063/1.4982903

• 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

• Neukom, Martin; Züfle, Simon; Knapp, Evelyne; Makha, Mohammed; Hany, Roland; Ruhstaller, Beat,

  2017.

  Why perovskite solar cells with high efficiency show small IV-curve hysteresis.

  Solar Energy Materials & Solar Cells.

  169, pp. 159-166.

  Available from: https://doi.org/10.1016/j.solmat.2017.05.021

• 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

• Züfle, Simon; Neukom, Martin T.; Altazin, Stéphane; Zinggeler, Marc; Chrapa, Marek; Offermans, Ton; Ruhstaller, Beat,

  2015.

  An effective area approach to model lateral degradation in organic solar cells.

  Advanced Energy Materials.

  5(20).

  Available from: https://doi.org/10.1002/aenm.201500835

• 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

• Knapp, Evelyne; Ruhstaller, Beat,

  2015.

  Analysis of negative capacitance and self-heating in organic semiconductor devices.

  Journal of Applied Physics.

  117(13).

  Available from: https://doi.org/10.1063/1.4916981

• Eck, Michael; Van Pham, Chuyen; Züfle, Simon; Neukom, Martin; Sessler, Martin; Scheunemann, Dorothea; Erdem, Emre; Weber, Stefan; Borchert, Holger; Ruhstaller, Beat; Krüger, Michael,

  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.

  Available from: https://doi.org/10.1039/c4cp01566e

• Jenatsch, Sandra; Hany, Roland; Véron, Anna C.; Neukom, Martin; Züfle, Simon; Borgschulte, Andreas; Ruhstaller, Beat; Nüesch, Frank,

  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.

  Available from: https://doi.org/10.1021/jp5005314

• Lanz, Thomas; Bonmarin, Mathias; Stuckelberger, Michael; Schlumpf, Christian; Ballif, Christophe; Ruhstaller, Beat,

  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.

  Available from: https://doi.org/10.1109/JSTQE.2013.2250259

• Lanz, Thomas; Fang, Liang; Baik, Seung Jae; Lim, Kong Su; Ruhstaller, Beat,

  2012.

  Photocurrent increase in amorphous Si solar cells by increased reflectivity of LiF/Al electrodes.

  Solar Energy Materials & Solar Cells.

  107, pp. 259-262.

  Available from: https://doi.org/10.1016/j.solmat.2012.06.044

• Neukom, M. T.; Züfle, Simon; Ruhstaller, Beat,

  2012.

  Reliable extraction of organic solar cell parameters by combining steady-state and transient techniques.

  Organic Electronics.

  13(12), pp. 2910-2916.

  Available from: https://doi.org/10.1016/j.orgel.2012.09.008

• Knapp, Evelyne; Ruhstaller, Beat,

  2012.

  The role of shallow traps in dynamic characterization of organic semiconductor devices.

  Journal of Applied Physics.

  112(2).

  Available from: https://doi.org/10.1063/1.4739303

• Knapp, Evelyne; Ruhstaller, Beat,

  2011.

  Numerical analysis of steady-state and transient charge transport in organic semiconductor devices.

  Optical and Quantum Electronics.

  42(11–13), pp. 667-677.

  Available from: https://doi.org/10.1007/s11082-011-9443-1

• Lanz, Thomas; Ruhstaller, Beat; Battaglia, Corsin; Ballif, Christophe,

  2011.

  Extended light scattering model incorporating coherence for thin-film silicon solar cells.

  Journal of Applied Physics.

  110(3).

  Available from: https://doi.org/10.1063/1.3622328

• Knapp, Evelyne; Ruhstaller, Beat,

  2011.

  Numerical impedance analysis for organic semiconductors with exponential distribution of localized states.

  Applied Physics Letters.

  99(9).

  Available from: https://doi.org/10.1063/1.3633109

• Knapp, Evelyne; Häusermann, Roger; Schwarzenbach, Hansueli; Ruhstaller, Beat,

  2010.

  Numerical simulation of charge transport in disordered organic semiconductor devices.

  Journal of Applied Physics.

  108(5), pp. 054504-1-054504-8.

  Available from: https://doi.org/10.1063/1.3475505

• Häusermann, R.; Knapp, Evelyne; Moos, M.; Reinke, N. A.; Flatz, T.; Ruhstaller, Beat,

  2009.

  Coupled opto-electronic simulation of organic bulk-heterojunction solar cells : parameter extraction and sensitivity analysis.

  Journal of Applied Physics.

  106(10), pp. 104507.

  Available from: https://doi.org/10.1063/1.3259367

• Leger, J.M.; Carter, S.A.; Ruhstaller, Beat,

  2005.

  Recombination profiles in poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene] light-emitting electrochemical cells.

  Journal of Applied Physics.

  98(12).

  Available from: https://doi.org/10.1063/1.2149162

• Leger, J. M.; Carter, S. A.; Ruhstaller, Beat; Nothofer, H.-G.; Scherf, Ullrich; Tillmann, H.; Hörhold, H.-H.,

  2003.

  Thickness-dependent changes in the optical properties of PPV- and PF-based polymer light emitting diodes.

  Physical Review B.

  68(5).

  Available from: https://doi.org/10.1103/PhysRevB.68.054209

• Beierlein, T. A.; Ruhstaller, Beat; Gundlach, D. J.; Riel, H.; Karg, S.; Rost, C.; Riess, W.,

  2003.

  Investigation of internal processes in organic light-emitting devices using thin sensing layers.

  Synthetic Metals.

  138(1–2), pp. 213-221.

  Available from: https://doi.org/10.1016/S0379-6779(02)01269-9

• Riel, H.; Karg, S.; Beierlein, T.; Ruhstaller, Beat; Riess, W.,

  2003.

  Phosphorescent top-emitting organic light-emitting devices with improved light outcoupling.

  Applied Physics Letters.

  82(3).

  Available from: https://doi.org/10.1063/1.1537052

• Ruhstaller, Beat; Carter, S.; Barth, S.; Riel, H.; Riess, W.; Scott, J.C.,

  2001.

  Transient and steady-state behavior of space charges in multilayer organic light-emitting diodes.

  Journal of Applied Physics.

  89(8), pp. 4575.

  Available from: https://doi.org/10.1063/1.1352027

• Ruhstaller, Beat; Scott, J.C.; Brock, P.J.; Scherf, Ullrich; Carter, S.A.,

  2000.

  Bias-tuned reduction of self-absorption in polymer blend electroluminescence.

  Chemical Physics Letters.

  317(3-5), pp. 238-244.

  Available from: https://doi.org/10.1016/S0009-2614(99)01390-1

• Bliznyuk, Valery N.; Ruhstaller, Beat; Brock, P.J.; Scherf, Ullrich; Carter, S.A.,

  1999.

  Self-assembled nanocomposite polymer light-emitting diodes with improved efficiency and luminance.

  Advanced Materials.

  11(15), pp. 1257-1261.

  Available from: https://doi.org/10.1002/(SICI)1521-4095(199910)11:15<1257::AID-ADMA1257>3.0.CO;2-D

• Salis, G.; Ruhstaller, Beat; Ensslin, K.; Campman, K.; Maranowski, K.; Gossard, A. C.,

  1998.

  Subband densities in quantum wells under in-plane magnetic fields.

  Physical Review B.

  58(3), pp. 1436-1441.

  Available from: https://doi.org/10.1103/PhysRevB.58.1436

• Altazin, Stéphane; Penninck, Lieven; Ruhstaller, Beat,

  2018.

  Outcoupling technologies : concepts, simulation, and implementation

  .

  In:

  Handbook of organic light-emitting diodes.

  Tokyo:

  Springer.

  pp. 1-22.

  Available from: https://doi.org/10.1007/978-4-431-55761-6_21-1

• 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

• Regnat, M.; Pernstich, K. P.; Jenatsch, S.; Ruhstaller, B.,

  2021.

  Detailed explanation of the increased driving voltage in a TADF exciplex host OLED during prolonged operation via a quantitative device model [poster].

  In:

  13th Asian Conference on Organic Electronics (A-COE 2021), Online, 2-4 September 2021.

• Knapp, Evelyne; Battaglia, Mattia; Stadelmann, Thilo; Jenatsch, Sandra; Ruhstaller, Beat,

  2021.

  XGBoost trained on synthetic data to extract material parameters of organic semiconductors [paper].

  In:

  Proceedings of the 8th SDS.

  8th Swiss Conference on Data Science, Lucerne, Switzerland, 9 June 2021.

  IEEE.

  pp. 46-51.

  Available from: https://doi.org/10.1109/SDS51136.2021.00015

• Häusermann, Roger; Jenatsch, Sandra; Leganés Carballo, Jaime; Sharifidehsari, Hamed; Blülle, Balthasar; Züfle, Simon; Liaptsis, Georgios; Ruhstaller, Beat,

  2021.

  Optimizing charge transport and reducing excitonic loss channels in fluorescent doped TADF OLEDs [paper].

  In:

  SID International Symposium : Digest of Technical Papers.

  International Conference on Display Technology (ICDT), Wuhan, China, 11-14 October 2020.

  Wiley.

  pp. 341-344.

  Available from: https://doi.org/10.1002/sdtp.14686

• Jenatsch, Sandra; Züfle, Simon; Blülle, Balthasar; Ruhstaller, Beat,

  2021.

  Combining steady‐state, frequency, and time domain data for a comprehensive analysis of multilayer TADF OLEDs [paper].

  In:

  SID International Symposium : Digest of Technical Papers.

  International Conference on Display Technology (ICDT), Wuhan, China, 11-14 October 2020.

  Wiley.

  pp. 299-302.

  Available from: https://doi.org/10.1002/sdtp.14470

• Aeberhard, Urs; Zeder, Simon J.; Ruhstaller, Beat,

  2021.

  Photon recycling in perovskite solar cells assessed by a detailed-balance compatible dipole emission model [paper].

  In:

  2021 IEEE 48th Photovoltaic Specialists Conference (PVSC).

  48th IEEE Photovoltaic Specialists Conference (PVSC), Virtual Conference, 20-25 June 2021.

  IEEE.

  pp. 0278-0282.

  Available from: https://doi.org/10.1109/PVSC43889.2021.9518720

• Aeberhard, Urs; Zeder, Simon; Ruhstaller, Beat,

  2021.

  Rigorous simulation of photon recycling effects in perovskite solar cells and LEDs [paper].

  In:

  2021 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD).

  21st International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD), Turin (online), 13-17 September 2021.

  IEEE.

  pp. 63-64.

  Available from: https://doi.org/10.1109/NUSOD52207.2021.9541505

• Aeberhard, Urs; Häusermann, Roger; Schiller, Andreas; Blülle, Balthasar; Ruhstaller, Beat,

  2020.

  Analysis and optimization of perovskite-silicon tandem solar cells by full opto-electronic simulation [paper].

  In:

  2020 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD).

  20th International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD), Turin (online), 14-18 September 2020.

  IEEE.

  pp. 37-38.

  Available from: https://doi.org/10.1109/NUSOD49422.2020.9217773

• Jenatsch, Sandra; Züfle, Simon; Blülle, Balthasar; Ruhstaller, Beat,

  2020.

  Combining steady‐state, frequency, and time domain data for a comprehensive analysis of multilayer TADF OLEDs [paper].

  In:

  SID International Symposium : Digest of Technical Papers.

  Display Week 2020, online, 3-7 August 2020.

  Wiley.

  pp. 634-637.

  Available from: https://doi.org/10.1002/sdtp.13947

• Blülle, Balthasar; Altazin, Stéphane; Frouin, Bérengère; Stepanova, Lidia; Jenatsch, Sandra; Ruhstaller, Beat,

  2019.

  Light conversion and scattering properties of QD films for display applications : angle‐resolved optical spectroscopy and numerical simulation [paper].

  In:

  SID International Symposium : Digest of Technical Papers.

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

  Wiley.

  Available from: https://doi.org/10.1002/sdtp.13512

• 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

• Knapp, Evelyne; Ruhstaller, Beat,

  2015.

  Analysis of self-heating and negative capacitance in organic semiconductors devices [paper].

  In:

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

  Wiley.

  pp. 778-781.

  Available from: https://doi.org/10.1002/sdtp.10224

• 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.

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• Lanz, Thomas; Bonmarin, Mathias; Ruhstaller, Beat; Offermans, Ton,

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  Failure modes in all-plastic encapsulated flexible organic solar modules : experimental and computational analysis [poster].

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

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

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• Altazin, Stéphane; Perucco, Benjamin; Pagan, Nicolò; Lapagna, Kevin; Lanz, Thomas; Knaack, Reto; Knapp, Evelyne; Ruhstaller, Beat,

  2013.

  Multi-scale modeling of organic light-emitting devices [paper].

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• Aeberhard, Urs; Hiestand, Roman; Ruhstaller, Beat,

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  Simulation of beam shaping by micro‐textures for curved displays [paper].

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• Jenatsch, Sandra; Züfle, Simon; Will, Paul Anton; Bülle, Balthasar; Neukom, Martin; Lenk, Simone; Reineke, Sebastian; Braga, Daniele; Domanski, Konrad; Ruhstaller, Beat,

  2019.

  Quantitative analysis of charge transport in single‐carrier devices and OLEDs combining DC and AC data [paper].

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

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

  2018.

  Modelling crosstalk through common semiconductor layers in AMOLED displays.

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  26(9), pp. 546-554.

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

• Jenatsch, Sandra; Regnat, Markus; Hany, Roland; Diethelm, Matthias; Nüesch, Frank; Ruhstaller, Beat,

  2018.

  Time-dependent p–i–n structure and emission zone in sandwich-type light-emitting electrochemical cells.

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• 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].

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• Losio, Paolo Antonio; Feurer, Thomas; Buecheler, Stephan; Ruhstaller, Beat,

  2016.

  Evolutionary optimization of TCO/mesh electrical contacts in CIGS solar cells [paper].

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  32nd European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC 2016), Munich, Germany, 20-24 June 2016.

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

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

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• Knapp, Evelyne; Ruhstaller, Beat,

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  Analysis of self-heating and trapping in organic semiconductor devices [paper].

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• Altazin, Stéphane; Lanz, Thomas; Lapagna, Kevin; Ruhstaller, Beat,

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  Impact of light scattering for efficiency enhancement in organic solar cells [paper].

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• Ruhstaller, Beat; Flatz, T.; Sartoris, Guido; Kiy, M.; Beierlein, Tilman; Winnewisser, C.; Pretot, R.; Chebotareva, N.; v.d. Schaaf, P.,

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  Optoelectronic OLED modeling for characterization and optimization [paper].

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• Ruhstaller, Beat; Beierlein, Tilman A.; Gmür, Roman; Karg, Siegfried; Riel, Heike; Sartoris, Guido; Schwarzenbach, Hansueli; Riess, Walter,

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  Simulating electronic and optical processes in multilayer organic light-emitting devices.

  IEEE Journal of Selected Topics in Quantum Electronics.

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• Hocker, Thomas; Sartoris, Guido; Ruhstaller, Beat; Haller, Thomas; Schwarzenbach, Hansueli,

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• Beierlein, T. A.; Riel, H.; Ruhstaller, Beat; Hofmann, H.; Crone, B. K.; Karg, S.; Riess, W.,

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  Tuning of electrical and optical properties of organic LEDs using combinatorial device fabrication.

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• Regnat, M.; Jenatsch, S.; Züfle, S.; Pernstich, K. P.; Ruhstaller, B.,

  2021.

  Advanced characterization and device simulation towards better understanding of OLED degradation mechanisms.

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• Lanz, Thomas; Boccard, Mathieu; Despeisse, Matthieu; Battaglia, Corsin; Haug, Franz-Josef; Ballif, Christophe; Ruhstaller, Beat,

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  Light harvesting analysis of novel thin-film electrode architectures in microcrystalline silicon solar cells with hybrid Fourier and geometrical optics simulator.

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  European Materials Research Society (E-MRS) 2013 Spring Meeting, Strasbourg, France, 27-31 May 2013.

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