Journal
JOURNAL OF PORPHYRINS AND PHTHALOCYANINES
Volume 13, Issue 7, Pages 787-793Publisher
WORLD SCI PUBL CO INC
DOI: 10.1142/S1088424609000966
Keywords
dendrimer; energy transfer; artificial light harvesting
Categories
Funding
- Korea Research Foundation [KRF-2007-313-D00225]
- Ministry of Knowledge Economy, Republic of Korea
- Ministry of Education, Science and Technology
- National Research Foundation of Korea [2007-313-D00225] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Ask authors/readers for more resources
To mimic bacterial light-harvesting antenna complexes, a series of dendritic multi porphyrin arrays, nP(Zn)-P-FB (n = 2, 4; cone-shaped dendrimers, n = 8, 16; star-shaped dendrimers), were synthesized and characterized by H-1 NMR and MALDI-TOF-MS spectroscopy. Photoinduced energy-transfer efficiency (F ET) from peripheral Zn porphyrin (P-Zn) units to an inner core free-base porphyrin (P-FB) in the dendrimers was evaluated by fluorescence measurement. Both star-and cone-shaped multi-porphyrin arrays exhibited significantly high efficiency energy transfer from the photoexcited P-Zn units to the energy-accepting P-FB, where the star-shaped dendrimers, 8P(Zn)-P-FB (94%) and 16P(Zn)-P-FB (88%), had a slightly higher efficiency than those of the cone-shaped dendrimers, 2P(Zn)-P-FB (92%) and 4P(Zn)-P-FB (80%), respectively.
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