Photochemical Dynamics Group

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In Short

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.

See Research Themes for more.


Selected Recent Articles

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. 2020, 2001308.

Exciton and carrier dynamics in two-dimensional perovskites.
A. Burgos-Caminal, E. Socie, M. E. F. Bouduban & J.-E. Moser
J. Phys. Chem. Lett. 2020, 11, 7692-7701.

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.

Crystal orientation drives the interface physics at two/three-dimensional hybrid perovskites.
M. E. F. Bouduban, V. I. E. Queloz, V. M. Caselli, K. T. Cho, A. R. Kirmani, S. Paek, C. Roldan-Carmona, L. J. Richter, J.-E. Moser, T. J. Savenije, M K. Nazeeruddin & G. Grancini
J. Phys. Chem. Lett. 2019, 10, 5713-5720.

Inter-domain charge transfer as a rationale for superior photovoltaic performances of mixed halide lead perovskites.
M. E. F. Bouduban, F. Giordano, A. Rosspeintner, J. Teuscher, E. Vauthey, M. Grätzel & J.-E. Moser
arXiv preprint 2018, arXiv:1808.02768.