Journal of Physical Chemistry Letters, volume 7, issue 11, pages 1955-1959
Distance-Dependent Triplet Energy Transfer between CdSe Nanocrystals and Surface Bound Anthracene
Publication type: Journal Article
Publication date: 2016-05-13
Q1
Q1
SJR: 1.586
CiteScore: 9.6
Impact factor: 4.8
ISSN: 19487185
Physical and Theoretical Chemistry
General Materials Science
Abstract
We investigate triplet energy transfer (TET) across variable-length aromatic oligo-p-phenylene and aliphatic bridges in a covalently linked CdSe nanocrystal (NC)-bridge-anthracene hybrid system. Photon upconversion measurements in saturated 9,10-diphenylanthracene hexane solutions under air-free conditions at room temperature provided the steady-state rate of TET (ket) across this interface. For flexible transmitters, ket is similar for different lengths of aliphatic bridges, suggesting that the ligands bend backward. For the rigid phenylene spacer, triplet sensitization of anthracene transmitter molecules by CdSe NCs shows a strong distance dependence, with a Dexter damping coefficient of 0.43 ± 0.07 Å(-1). The anthracene transmitter bound closest to the NC surface gave the highest quantum yield of 14.3% for the conversion of green to violet light, the current record for a hybrid platform.
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Li X. et al. Distance-Dependent Triplet Energy Transfer between CdSe Nanocrystals and Surface Bound Anthracene // Journal of Physical Chemistry Letters. 2016. Vol. 7. No. 11. pp. 1955-1959.
GOST all authors (up to 50)
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Li X., Huang Z., Zavala R., Tang M. L. Distance-Dependent Triplet Energy Transfer between CdSe Nanocrystals and Surface Bound Anthracene // Journal of Physical Chemistry Letters. 2016. Vol. 7. No. 11. pp. 1955-1959.
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TY - JOUR
DO - 10.1021/acs.jpclett.6b00761
UR - https://doi.org/10.1021/acs.jpclett.6b00761
TI - Distance-Dependent Triplet Energy Transfer between CdSe Nanocrystals and Surface Bound Anthracene
T2 - Journal of Physical Chemistry Letters
AU - Li, Xin
AU - Huang, Zhiyuan
AU - Zavala, Ramsha
AU - Tang, Ming Lee
PY - 2016
DA - 2016/05/13
PB - American Chemical Society (ACS)
SP - 1955-1959
IS - 11
VL - 7
SN - 1948-7185
ER -
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BibTex (up to 50 authors)
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@article{2016_Li,
author = {Xin Li and Zhiyuan Huang and Ramsha Zavala and Ming Lee Tang},
title = {Distance-Dependent Triplet Energy Transfer between CdSe Nanocrystals and Surface Bound Anthracene},
journal = {Journal of Physical Chemistry Letters},
year = {2016},
volume = {7},
publisher = {American Chemical Society (ACS)},
month = {may},
url = {https://doi.org/10.1021/acs.jpclett.6b00761},
number = {11},
pages = {1955--1959},
doi = {10.1021/acs.jpclett.6b00761}
}
Cite this
MLA
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Li, Xin, et al. “Distance-Dependent Triplet Energy Transfer between CdSe Nanocrystals and Surface Bound Anthracene.” Journal of Physical Chemistry Letters, vol. 7, no. 11, May. 2016, pp. 1955-1959. https://doi.org/10.1021/acs.jpclett.6b00761.