Journal
CHEMICAL PHYSICS
Volume 357, Issue 1-3, Pages 140-143Publisher
ELSEVIER
DOI: 10.1016/j.chemphys.2008.12.001
Keywords
Exciton-exciton annihilation; Photosynthetic antenna system; LH2; Pump-probe spectroscopy; Internal conversion
Funding
- KAW foundation
- Swedish Research Council
Ask authors/readers for more resources
Two-color pump-probe measurements of the peripheral light harvesting complex LH2 of Rb.sphaeroides reveal strong temperature dependence of the annihilation rate. The experimental results were modeled via multi-exciton density matrix theory. Based on available literature data we can set an upper limit for the feasible intramolecular internal conversion rate. We show that this also restricts the possible values of the still ill-determined energy of the doubly-excited molecular level of the bacteriochlorophyll, which is responsible for the annihilation process. (C) 2008 Elsevier B.V. All rights reserved.
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