Through-Space Ultrafast Photoinduced Electron Transfer Dynamics of a C70-Encapsulated Bisporphyrin Covalent Organic Polyhedron in a Low-Dielectric Medium
Тип публикации: Journal Article
Дата публикации: 2017-03-20
scimago Q1
wos Q1
БС1
SJR: 5.554
CiteScore: 22.5
Impact factor: 15.6
ISSN: 00027863, 15205126
PubMed ID:
28287707
General Chemistry
Catalysis
Biochemistry
Colloid and Surface Chemistry
Краткое описание
Ultrafast photoinduced electron transfer (PIET) dynamics of a C70-encapsulated bisporphyrin covalent organic polyhedron hybrid (C70@COP-5) is studied in a nonpolar toluene medium with fluorescence and transient absorption spectroscopies. This structurally rigid donor (D)-acceptor (A) molecular hybrid offers a new platform featuring conformationally predetermined cofacial D-A orientation with a fixed edge-to-edge separation, REE (2.8 Å), without the aid of covalent bonds. Sub-picosecond PIET (τET ≤ 0.4 ps) and very slow charge recombination (τCR ≈ 600 ps) dynamics are observed. The origin of these dynamics is discussed in terms of enhanced D-A coupling (V = 675 cm-1) and extremely small reorganization energy (λ ≈ 0.18 eV), induced by the intrinsic structural rigidity of the C70@COP-5 complex.
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Ortiz M. et al. Through-Space Ultrafast Photoinduced Electron Transfer Dynamics of a C70-Encapsulated Bisporphyrin Covalent Organic Polyhedron in a Low-Dielectric Medium // Journal of the American Chemical Society. 2017. Vol. 139. No. 12. pp. 4286-4289.
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Ortiz M., Cho S., Niklas J., Kim S., Poluektov O., Zhang W., Rumbles G., Park J. Through-Space Ultrafast Photoinduced Electron Transfer Dynamics of a C70-Encapsulated Bisporphyrin Covalent Organic Polyhedron in a Low-Dielectric Medium // Journal of the American Chemical Society. 2017. Vol. 139. No. 12. pp. 4286-4289.
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TY - JOUR
DO - 10.1021/jacs.7b00220
UR - https://doi.org/10.1021/jacs.7b00220
TI - Through-Space Ultrafast Photoinduced Electron Transfer Dynamics of a C70-Encapsulated Bisporphyrin Covalent Organic Polyhedron in a Low-Dielectric Medium
T2 - Journal of the American Chemical Society
AU - Ortiz, Michael
AU - Cho, Sung
AU - Niklas, Jens
AU - Kim, Seon-Ah
AU - Poluektov, Oleg
AU - Zhang, Wei
AU - Rumbles, Garry
AU - Park, JaeHong
PY - 2017
DA - 2017/03/20
PB - American Chemical Society (ACS)
SP - 4286-4289
IS - 12
VL - 139
PMID - 28287707
SN - 0002-7863
SN - 1520-5126
ER -
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@article{2017_Ortiz,
author = {Michael Ortiz and Sung Cho and Jens Niklas and Seon-Ah Kim and Oleg Poluektov and Wei Zhang and Garry Rumbles and JaeHong Park},
title = {Through-Space Ultrafast Photoinduced Electron Transfer Dynamics of a C70-Encapsulated Bisporphyrin Covalent Organic Polyhedron in a Low-Dielectric Medium},
journal = {Journal of the American Chemical Society},
year = {2017},
volume = {139},
publisher = {American Chemical Society (ACS)},
month = {mar},
url = {https://doi.org/10.1021/jacs.7b00220},
number = {12},
pages = {4286--4289},
doi = {10.1021/jacs.7b00220}
}
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MLA
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Ortiz, Michael, et al. “Through-Space Ultrafast Photoinduced Electron Transfer Dynamics of a C70-Encapsulated Bisporphyrin Covalent Organic Polyhedron in a Low-Dielectric Medium.” Journal of the American Chemical Society, vol. 139, no. 12, Mar. 2017, pp. 4286-4289. https://doi.org/10.1021/jacs.7b00220.