Our first funded project from this network is:
Project title: ''Charge carrier transportation in perovskite materials: an ultrafast x-ray absorption spectroscopic study''.
Researcher: Van Thai Pham (Sweden), Minh Tuan Trinh (USA) and Viet Mui Luong (Japan)
Amount: 100 000 SEK (10 000 euro) for equipments
Funder: The Walter Gyllenberg Foundation, Sweden
Time: 2021-2023
Tool 1
Ultrafast laser spectroscopy
Tool 2
Ultrafast and static X-ray absorption spectroscopy
X-ray absorption fine structure (XAFS) was first invented from 70’s of the 20th century. It has been one of the most powerful techniques for structural investigation. In this method, structure is revealed based on photoelectron wave interference between the outgoing wave, that is emitted from an atom when it absorbs x-ray, and the scattered wave that is bounced off by neighboring atoms. XAFS is an element-specific probe of a structure about a specific atom of interest. The limitation of XAFS is that the photoelectron mean free path is relatively short and thereby only the short-range structure about the ion is probed. The more structural order the larger structure range can be probed. It can easily reach a structural accuracy of 0.01 Å... more
Tool 3
Image: TEM, STEM, SEM
Microscopy technology: Vietnam institute of physics
Mirosława Pawlyta
Tool 4
Raman scattering, UV-Vis absorption, FTIR spectroscopies
Duong Vu