Journal
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Volume 13, Issue 8, Pages 3534-3546Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c0cp01491e
Keywords
-
Funding
- Swedish Research Council (VR)
- Goran Gustafsson Foundation
- Carl Trygger Foundation
- Magnus Bergvall foundation
- Knut and Alice Wallenberg foundation
- Swedish Energy Agency
Ask authors/readers for more resources
The frontier electronic structures of a series of organic dye molecules containing a triphenylamine moiety, a thiophene moiety and a cyanoacrylic acid moiety have been investigated by photoelectron spectroscopy (PES), X-ray absorption spectroscopy (XAS), X-ray emission spectroscopy (XES) and resonant photoelectron spectroscopy (RPES). The experimental results were compared to electronic structure calculations on the molecules, which are used to confirm and enrich the assignment of the spectra. The approach allows us to experimentally measure and interpret the basic valence energy level structure in the dye, including the highest occupied energy level and how it depends on the interaction between the different units. Based on N 1s X-ray absorption and emission spectra we also obtain insight into the structure of the excited states, the molecular orbital composition and dynamics. Together the results provide an experimentally determined energy level map useful in the design of these types of materials. Included are also results indicating femtosecond charge redistribution at the dye/TiO2 interface.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available