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Single-molecule study of the electronic couplings in a circular array of molecules : light-harvesting-2 complex from Rhodospirillum molischianum

Title data

Hofmann, Clemens ; Ketelaars, Martijn ; Matsushita, Michio ; Michel, Hartmut ; Aartsma, Thijs J. ; Köhler, Jürgen:
Single-molecule study of the electronic couplings in a circular array of molecules : light-harvesting-2 complex from Rhodospirillum molischianum.
In: Physical Review Letters. Vol. 90 (2003) Issue 1 . - 013004.
ISSN 1079-7114
DOI: https://doi.org/10.1103/PhysRevLett.90.013004

Abstract in another language

Applying single-molecule spectroscopic techniques allowed us to determine the mutual angles between the transition-dipole moments associated with optical transitions of the eight bacteriochlorophyll a molecules which form the so-called B800 ring of the light-harvesting-2 complex from Rhodospirillum molischianum. The orientation of the transition-dipole moment is a sensitive probe for the strength of the local intermolecular interactions because of the well-defined arrangement of the individual molecules within the B800 ring. Our data reveal that the strength of the electronic coupling between individual molecules in the ring is subjected to spatial as well as temporal variations.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: spectroscopy
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Experimental Physics IX - Spectroscopy of Soft Matter > Chair Experimental Physics IX - Spectroscopy of Soft Matter - Univ.-Prof. Dr. Jürgen Köhler
Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Experimental Physics IX - Spectroscopy of Soft Matter
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 530 Physics
Date Deposited: 12 Apr 2018 06:20
Last Modified: 04 Aug 2023 06:11
URI: https://eref.uni-bayreuth.de/id/eprint/43314