People
Dr. Uli Würfel
Responsible Investigator
Organic Solar Cells,
Fraunhofer Institute for Solar Energy Systems ISE, Freiburg
Phone: +49 761 203 4796
Email: uli.wuerfel@fmf.uni-freiburg.de
Projects within livMatS
- Electrochemical and Photoelectrochemical Actuators (PhotoECact)
- Solstore II - Development of photosupercapacitors and photobatteries with high power and energy densities and long-term stability
- (Photo)electrochemical production of H2O2 for H2O2-fueled adaptive processes i.e. H2O2-fueled chemistry and demonstratory (H2O2-Synthesis)
- Inorganic and Organic SolStore
- Development, characterisation and integration of flexible solar modules as energy supply unit in a livMatS demonstrator
Doctoral Researchers (first supervisor)
Publications in livMatS
- Energy Harvesting and Storage with a High Voltage Organic Inorganic Photo-Battery for Internet of Things Applications
Büttner, J., Delgado Andrés, R., Wessling, R., Wang, Y., Esser, B., Würfel, U. & Fischer, A. (2024). Energy Harvesting and Storage with a High Voltage Organic Inorganic Photo-Battery for Internet of Things Applications. Energy Technology. doi: 10.1002/ente.202301421 - Over 1000 V DC Voltage from Organic Solar Mini-Modules*
Jiang, E., List, M., Jamali, A., Würfel, U. (2024): Over 1000 V DC Voltage from Organic Solar Mini-Modules (2024). ACS Energy Letters 2024, 9, 908-910. doi: 10.1021/acsenergylett.3c02770 - Organic photo-battery with high operating voltage using a multi-junction organic solar cell and an organic redox-polymer-based battery
Andrés, R. D., Wessling, R., Büttner, J., Pap, L., Fischer, A., Esser, B., & Würfel, U. (2023). Organic photo-battery with high operating voltage using a multi-junction organic solar cell and an organic redox-polymer-based battery. Energy & Environmental Science. doi: 10.1039/d3ee01822a - A mini organic solar module with an open-circuit voltage higher than 1100 V under indoor light*
Jiang, E., Jamali A., List, M., & Würfel, U. (2023). A mini organic solar module with an open-circuit voltage higher than 1100 V under indoor light. Materials for Sustainable Development Conference (MATSUS). doi: 10.29363/nanoge.matsus.2023.218 - Phenothiazine-Based Donor-Acceptor Polymers as Multifunctional Materials for Charge Storage and Solar Energy Conversion*
Wessling, R., Delgado Andres, R., Morhenn, I., Acker, P., Maftuhin, W., Walter, M., Würfel, U., Esser, B. (2022). Phenothiazine-Based Donor-Acceptor Polymers as Multifunctional Materials for Charge Storage and Solar Energy Conversion. Macro-Molecular Rapid Communications. doi: 10.1002/marc.202200699 - A New Figure of Merit for Solar Charging Systems: Case Study for Monolithically Integrated Photosupercapacitors Composed of a Large-Area Organic Solar Cell and a Carbon Double-Layer Capacitor*
Delgado Andrés, R., Berestok, T., Shchyrba, K., Fischer, A., & Würfel, U. (2022). A New Figure of Merit for Solar Charging Systems: Case Study for Monolithically Integrated Photosupercapacitors composed of a Large Area Organic Solar Cell and a Carbon Double‐Layer Capacitor. Solar RRL. doi: 10.1002/solr.202200614
* Funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany's Excellence Strategy – EXC-2193/1 – 390951807