Synthesis and Characterisation of Hybrid Perovskites - Variation of Components

Supervised by Andreas Taubert and Susan Schorr

 

Metal-organic hybrid perovskites based on lead halides have attracted tremendous interest for use in solar cells. One key advantage of these materials is their high flexibility as far as synthesis is concerned and the resulting tuneability of their physical properties. As of now, however, only a fairly small number of variants of these perovskites has been described in the literature. There is thus a need to evaluate the variability, the chemical adaptability and tuning of these perovskites in much more detail to enable the fabrication of advanced solar cells and other optoelectronic devices.
 
The central goal of the PhD thesis therefore is the synthesis of novel perovskites derived from existing prototypes and model compounds with the special aim to improve and scale up the synthesis to larger amounts of material, once suitable candidate materials have been identified. The project will focus on adapting the optical and electronic properties such as the band gap by exploring different strategies like doping, replacement of specific elements of the metal-organic perovskites by other chemical elements or building blocks. The resulting materials will be investigated for their structures and physical properties along with their potential for use in solar cells.

Corresponding student

Frederike Lehmann