Abstract
A dithienylethene (DTE)-porphyrin (P)-fullerene (C60) triad molecule in which intramolecular photoinduced electron transfer is controlled by the photochromic DTE moiety has been prepared. Irradiation of the molecule with visible light gives the open form of the dithienylethene (DTEo). Excitation of the porphyrin gives DTEo-1P-C60, which undergoes photoinduced electron transfer with a time constant of 25 ps to generate DTEo-P•+-C60•-. Irradiation with ultraviolet light produces the closed form of the dithienylethene (DTEc). Excitation of DTEc-P-C60 yields DTEc-1P-C60, whose porphyrin first excited singlet state is quenched in 2.3 ps by singlet-singlet energy transfer to DTEc, generating 1DTEc-P-C60 and precluding significant photoinduced electron transfer. Such highly reversible photonically controlled intramolecular photoinduced electron transfer may eventually be useful in the design of photonic or optoelectronic devices.
| Original language | English |
|---|---|
| Pages (from-to) | 7668-7669 |
| Number of pages | 2 |
| Journal | Journal of the American Chemical Society |
| Volume | 124 |
| Issue number | 26 |
| DOIs | |
| Publication status | Published - Jul 3 2002 |
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ASJC Scopus subject areas
- Chemistry(all)
Cite this
Photonic switching of photoinduced electron transfer in a dithienylethene-porphyrin-fullerene triad molecule. / Liddell, Paul A.; Kodis, Gerdenis; Moore, Ana L; Moore, Thomas A; Gust, John Devens.
In: Journal of the American Chemical Society, Vol. 124, No. 26, 03.07.2002, p. 7668-7669.Research output: Contribution to journal › Article
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TY - JOUR
T1 - Photonic switching of photoinduced electron transfer in a dithienylethene-porphyrin-fullerene triad molecule
AU - Liddell, Paul A.
AU - Kodis, Gerdenis
AU - Moore, Ana L
AU - Moore, Thomas A
AU - Gust, John Devens
PY - 2002/7/3
Y1 - 2002/7/3
N2 - A dithienylethene (DTE)-porphyrin (P)-fullerene (C60) triad molecule in which intramolecular photoinduced electron transfer is controlled by the photochromic DTE moiety has been prepared. Irradiation of the molecule with visible light gives the open form of the dithienylethene (DTEo). Excitation of the porphyrin gives DTEo-1P-C60, which undergoes photoinduced electron transfer with a time constant of 25 ps to generate DTEo-P•+-C60•-. Irradiation with ultraviolet light produces the closed form of the dithienylethene (DTEc). Excitation of DTEc-P-C60 yields DTEc-1P-C60, whose porphyrin first excited singlet state is quenched in 2.3 ps by singlet-singlet energy transfer to DTEc, generating 1DTEc-P-C60 and precluding significant photoinduced electron transfer. Such highly reversible photonically controlled intramolecular photoinduced electron transfer may eventually be useful in the design of photonic or optoelectronic devices.
AB - A dithienylethene (DTE)-porphyrin (P)-fullerene (C60) triad molecule in which intramolecular photoinduced electron transfer is controlled by the photochromic DTE moiety has been prepared. Irradiation of the molecule with visible light gives the open form of the dithienylethene (DTEo). Excitation of the porphyrin gives DTEo-1P-C60, which undergoes photoinduced electron transfer with a time constant of 25 ps to generate DTEo-P•+-C60•-. Irradiation with ultraviolet light produces the closed form of the dithienylethene (DTEc). Excitation of DTEc-P-C60 yields DTEc-1P-C60, whose porphyrin first excited singlet state is quenched in 2.3 ps by singlet-singlet energy transfer to DTEc, generating 1DTEc-P-C60 and precluding significant photoinduced electron transfer. Such highly reversible photonically controlled intramolecular photoinduced electron transfer may eventually be useful in the design of photonic or optoelectronic devices.
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UR - http://www.scopus.com/inward/citedby.url?scp=0037014676&partnerID=8YFLogxK
U2 - 10.1021/ja026327c
DO - 10.1021/ja026327c
M3 - Article
C2 - 12083915
AN - SCOPUS:0037014676
VL - 124
SP - 7668
EP - 7669
JO - Journal of the American Chemical Society
JF - Journal of the American Chemical Society
SN - 0002-7863
IS - 26
ER -