1. Institute of Chemical Physics and Department of Chemistry, University of Latvia, Raina Blvd. 19, LV1586 Riga, Latvia, Materials and Supercritical Fluids Group, Department of Chemistry and the Tyndall National Institute, University College Cork, Cork, Ireland, and Centre for Research on Adaptive Nanostructures and Nanodevices (CRANN), Trinity College Dublin, Dublin 2, Ireland