The aim of the Group for Photochemical Dynamics (Moser Group) is to contribute to the advancement of solar energy conversion science and technology through fundamental research. Efforts focus in particular on scrutinizing the mechanisms and ultrafast dynamics of light-induced electron transfer and charge separation at donor-acceptor heterojunctions, and in supramolecular assemblies.
Systems currently under study include hybrid organic-inorganic lead halide perovskite semiconductor thin films and quantized nanoparticles, dye-sensitized solar cells, and small molecule-based organic photovoltaic systems.
Ultrafast laser spectroscopy techniques, such as broadband transient absorption and fluorescence up-conversion, electro-modulated differential absorption, and time-resolved THz spectroscopies, are our main methods of investigation.
Selected Recent Articles
Hot carrier mobility dynamics unravel competing subpicosecond processes in lead halide perovskites.
A. Burgos-Caminal, J. M. Moreno-Naranjo, A. R. Willauer, A. A. Paraecattil, A. Ajdarzadeh & J.-E. Moser
J. Phys. Chem. C 2021, 125, 98-106.
Direct observation of shallow trap states in thermal equilibrium with band-edge excitons in strongly confined CsPbBr3 perovskite nanoplatelets.
E. Socie, B. R. C. Vale, A. Burgos-Caminal & J.-E. Moser
Adv. Optical Mater. 2021, 9, 2001308.
Revealing exciton and metal–ligand conduction band charge transfer absorption spectra in Cu-Zn-In-S nanocrystals.
B. R. C. Vale, E. Socie, L. R. C. Cunha, A. F. V. Fonseca, R. Vaz, J. Bettini, J.-E. Moser & M. A. Schiavon
J. Phys. Chem. C 2020, 124, 27858–27866.
Exciton, biexciton, and hot exciton dynamics in CsPbBr3 colloidal nanoplatelets.
B. R. C. Vale, E. Socie, A. Burgos-Caminal, J. Bettini, M. A. Schiavon & J.-E. Moser
J. Phys. Chem. Lett. 2020, 11, 387-394.