Abstract
In the past seven years the field of photovoltaic solar cells have seen an exciting and promising contender, organic-inorganic metal halide based perovskite solar cells delivering efficiencies > 22%. This talk consists of two parts, in the first part the nature of the electron-hole interaction upon charge carrier photo-generation in perovskite semiconductors will be discussed; the role of polarons and microstructure in the excitonic characteristics of perovskite semiconductors will be elucidated. In the second part, not irrelevant to the first section, spatial variation of luminescence property of perovskite solar cells is presented allowing studying the stability and light-induced effects.
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Brief Bio
Arman did his B.Sc. in Mechanical Engineering – manufacturing and production at the Isfahan University of Technology, Isfahan, Iran. His passion for sustainable energies derived him to move to the field of resource recovery – sustainable energy technology/biotechnology for biofuels at the University of Borås, Borås, Sweden for his M.Sc. Arman then moved to the University of New South Wales where he performed most of his PhD (2.5 years) on understanding the opto-electronic characteristics of mixed organic-inorganic halide perovskite thin films and solar cells after his first year which was dedicated to the study of singlet fission in molecular organic semiconductors. He is currently a research assistant at SPREE working on luminescence imaging of non-silicon solar cells.
