Project E – Lead-Free Perovskite Semiconductors with Tunable Bandgap for Energy Conversion

Photovoltaics, currently the cheapest and most efficient technology to convert solar light into electricity, are dominated by silicon wafer-based semiconductor technology. Thin film technologies, which can be deposited at low temperatures and at atmospheric conditions, promise to overcome the residual disadvantages of the silicon technology, such as the long processing time and expensive scale-up costs. However, the compositional and processing parameter range for novel thin film semiconductors is enormously broad and is driven by performance parameters like efficiency, lifetime, and costs. These factors make the time to market for novel semiconducting materials today ́s major challenge. In this project we will, therefore, combine specific aspects of robot-based synthesis methodologies with advanced characterization techniques to explore the parameter space of novel Pb-free perovskite semiconductors, allowing for the generation of a comprehensive database of perovskite semiconductors. The ultimate goal is to convert the most promising candidates into efficient single-junction or multi-junction devices or innovative layers for energy conversion.

Projects

Participating Scientists

Publications

• Gu E., Tang X., Langner S., Duchstein P., Zhao Y., Levchuk I., Kalancha V., Stubhan T., Hauch J., Egelhaaf HJ., Zahn D., Osvet A., Brabec C.:
  Robot-Based High-Throughput Screening of Antisolvents for Lead Halide Perovskites
  In: Joule 4 (2020), S. 1806-1822
  ISSN: 2542-4351
  DOI: 10.1016/j.joule.2020.06.013
• Sytnyk M., Yousefi-Amin AA., Freund T., Prihoda A., Götz K., Unruh T., Harreiß C., Will J., Spiecker E., Levchuk J., Osvet A., Brabec C., Künecke U., Wellmann P., Volobuev VV., Korczak J., Szczerbakow A., Story T., Simbrunner C., Springholz G., Wechsler D., Lytken O., Lotter S., Kampmann F., Maultzsch J., Singh K., Voznyy O., Heiß W.:
  Epitaxial Metal Halide Perovskites by Inkjet-Printing on Various Substrates
  In: Advanced Functional Materials 30 (2020), Art.Nr.: ARTN 2004612
  ISSN: 1616-301X
  DOI: 10.1002/adfm.202004612
• Zhao Y., Miao P., Elia J., Hu H., Wang X., Heumüller T., Hou Y., Matt G., Osvet A., Chen YT., Tarragó M., de Ligny D., Przybilla T., Denninger P., Will J., Zhang J., Tang X., Li N., He C., Pan A., Meixner AJ., Spiecker E., Zhang D., Brabec C.:
  Strain-activated light-induced halide segregation in mixed-halide perovskite solids
  In: Nature Communications 11 (2020), Art.Nr.: 6328
  ISSN: 2041-1723
  DOI: 10.1038/s41467-020-20066-7
• These A., Khansur NH., Almora O., Luer L., Matt G., Eckstein U., Barabash A., Osvet A., Webber KG., Brabec C.:
  Characterization of Aerosol Deposited Cesium Lead Tribromide Perovskite Films on Interdigited ITO Electrodes
  In: Advanced Electronic Materials (2021)
  ISSN: 2199-160X
  DOI: 10.1002/aelm.202001165
• Daum M., Deumel S., Sytnyk M., Afify HA., Hock R., Eigen A., Zhao B., Halik M., These A., Matt G., Brabec C., Tedde SF., Heiß W.:
  Self-Healing Cs3Bi2Br3I6 Perovskite Wafers for X-Ray Detection
  In: Advanced Functional Materials (2021)
  ISSN: 1616-301X
  DOI: 10.1002/adfm.202102713