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"My general interests lie in new technologies to produce renewable clean energy and to store electrical energy. Currently, I am studying the electronic properties of organic semiconductors, also in combination with organometallic perovskites, to be used as photo-active layers in solar cells, photodetectors, light emitting diodes and transistors. I develop opto-electronic measurement techniques to study in detail the transport and recombination of charges on different timescales, with particular focus on the role of the mobility in the organic material in limiting the overall device performance. I aim to use this knowledge to optimize the performance of photovoltaic cells or design opto-electronic devices with specifically tailored properties."
"My interest lies in the fundamental understanding of working-principles and loss-mechanisms in perovskite solar cells. I try to understand the interplay between the perovskite absorber material and the adjacent organic transport layers, on time scales ranging from ps to steady-state conditions. In particular I use (transient) optical/electronical measurement techniques to assess the dynamics of charge carriers in films, single crystals and working solar cell, and to use this knowledge to optimize the multilayer architecture."
"Molecular doping is a convenient way of improving the electronic properties of semiconducting polymers, but is a technique that isn't completely understood yet. My interest lies in understanding and elucidating the fundamental processes that occur upon doping polymers with organic small molecules. I utilize a combination of UV-Vis-NIR spectroscopy, atomic force microscopy, conductivity and surface potential measurements to study the optical, morphological and electronic changes that occur with doping, and thereby deduce the doping mechanism, efficiency, kinetics, etc. in doped solutions and/or films."
"My research aims in the realization of monolithic perovskite/silicon tandem solar cells on textured wafer surfaces that are utilized for optimum light management. To pursue my goal I will develop new strategies to process inorganic-organic perovskite films on textured silicon surfaces. Additionally, my research focuses on the fundamental physical understanding of the film formation and of the transport and recombination of charges in this type of tandem structure."
"My research aim is to study the energetics and transfer of charge carriers, across an electronically hybrid interface. Tuning the energetics of the inorganic surface by applying self-assembled monolayers, mixing molecules with diﬀerent electrostatic dipoles, incorporating photo-switchable molecules which results in control over the energetics at the organic/inorganic interface."