TY - GEN
T1 - Multistep photoinitiated charge separation in a molecular pentad
AU - Moore, Thomas A.
AU - Gust, Devens
AU - Moore, Ana L.
AU - Lee, Seung Joo
AU - Bittersmann, Edith
AU - Luttrull, David K.
AU - DeGraziano, Janice M.
AU - Ma, Xiaochun C.
AU - Gao, Feng
N1 - Copyright:
Copyright 2004 Elsevier B.V., All rights reserved.
PY - 1990
Y1 - 1990
N2 - Pentads consisting of a diporphyrin moiety bearing both a carotenoid polyene and a diquinone are studied. It is shown that excitation of the porphyrin leads to the formation of a charge separated state with a quantum yield as high as 0.83 and a lifetime up to 340 μs, depending upon the structure of the pentad. The final charge separated state preserves over one-half of the initial excitation energy as chemical potential. This fact, coupled with the length of the molecules (ca. 80 angstrom), makes such photovoltaic species attractive candidates for incorporation into molecular electronic devices.
AB - Pentads consisting of a diporphyrin moiety bearing both a carotenoid polyene and a diquinone are studied. It is shown that excitation of the porphyrin leads to the formation of a charge separated state with a quantum yield as high as 0.83 and a lifetime up to 340 μs, depending upon the structure of the pentad. The final charge separated state preserves over one-half of the initial excitation energy as chemical potential. This fact, coupled with the length of the molecules (ca. 80 angstrom), makes such photovoltaic species attractive candidates for incorporation into molecular electronic devices.
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M3 - Conference contribution
AN - SCOPUS:0025552336
SN - 0879425598
T3 - Proceedings of the Annual Conference on Engineering in Medicine and Biology
SP - 1737
EP - 1738
BT - Biomedical Engineering Perspectives
PB - Publ by IEEE
T2 - Proceedings of the 12th Annual International Conference of the IEEE Engineering in Medicine and Biology Society
Y2 - 1 November 1990 through 4 November 1990
ER -