Directed Energy Transfer Funnels in Dendrimeric Antenna Supermolecules
Michael Shortreed
1
,
Stephen F. Swallen
1
,
Zhong You Shi
1
,
Weihong Tan
1
,
Zhifu Xu
1
,
Chelladurai Devadoss
1
,
Jeffrey Moore
1
,
Raoul Kopelman
1
Publication type: Journal Article
Publication date: 1997-08-01
scimago Q1
wos Q3
SJR: 0.742
CiteScore: 5.3
Impact factor: 2.9
ISSN: 15206106, 15205207, 10895647
Materials Chemistry
Surfaces, Coatings and Films
Physical and Theoretical Chemistry
Abstract
We have studied the dynamics of directed, multistep energy transport in a class of fractal-like dendrimeric molecules. For particular forms of these highly branched phenylacetylene dendrimers, both theory and experiment put the lowest excitation energy at the center (locus) of the supermolecule. This results in a structurally symmetric and ordered exciton funnel, with a well-directed energy gradient. We have designed and synthesized a derivative of these dendrimers with a perylene moiety at the locus, which acts as an energy trap for the directed exciton funnel. Spectroscopic evidence indicates transfer efficiency of 98% from the photoabsorbing dendrimer backbone to the perylenic trap.
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253
Total citations:
253
Citations from 2024:
9
(3.56%)
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Shortreed M. et al. Directed Energy Transfer Funnels in Dendrimeric Antenna Supermolecules // Journal of Physical Chemistry B. 1997. Vol. 101. No. 33. pp. 6318-6322.
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Shortreed M., Swallen S. F., Shi Z. Y., Tan W., Xu Z., Devadoss C., Moore J., Kopelman R. Directed Energy Transfer Funnels in Dendrimeric Antenna Supermolecules // Journal of Physical Chemistry B. 1997. Vol. 101. No. 33. pp. 6318-6322.
Cite this
RIS
Copy
TY - JOUR
DO - 10.1021/jp9705986
UR - https://doi.org/10.1021/jp9705986
TI - Directed Energy Transfer Funnels in Dendrimeric Antenna Supermolecules
T2 - Journal of Physical Chemistry B
AU - Shortreed, Michael
AU - Swallen, Stephen F.
AU - Shi, Zhong You
AU - Tan, Weihong
AU - Xu, Zhifu
AU - Devadoss, Chelladurai
AU - Moore, Jeffrey
AU - Kopelman, Raoul
PY - 1997
DA - 1997/08/01
PB - American Chemical Society (ACS)
SP - 6318-6322
IS - 33
VL - 101
SN - 1520-6106
SN - 1520-5207
SN - 1089-5647
ER -
Cite this
BibTex (up to 50 authors)
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@article{1997_Shortreed,
author = {Michael Shortreed and Stephen F. Swallen and Zhong You Shi and Weihong Tan and Zhifu Xu and Chelladurai Devadoss and Jeffrey Moore and Raoul Kopelman},
title = {Directed Energy Transfer Funnels in Dendrimeric Antenna Supermolecules},
journal = {Journal of Physical Chemistry B},
year = {1997},
volume = {101},
publisher = {American Chemical Society (ACS)},
month = {aug},
url = {https://doi.org/10.1021/jp9705986},
number = {33},
pages = {6318--6322},
doi = {10.1021/jp9705986}
}
Cite this
MLA
Copy
Shortreed, Michael, et al. “Directed Energy Transfer Funnels in Dendrimeric Antenna Supermolecules.” Journal of Physical Chemistry B, vol. 101, no. 33, Aug. 1997, pp. 6318-6322. https://doi.org/10.1021/jp9705986.