Journal of Physical Chemistry C, volume 120, issue 30, pages 17136-17142
Single-Particle Photoluminescence Spectra, Blinking, and Delayed Luminescence of Colloidal CuInS2 Nanocrystals
Publication type: Journal Article
Publication date: 2016-07-13
Journal:
Journal of Physical Chemistry C
Q1
Q3
SJR: 0.957
CiteScore: 6.5
Impact factor: 3.3
ISSN: 19327447, 19327455
Surfaces, Coatings and Films
Electronic, Optical and Magnetic Materials
Physical and Theoretical Chemistry
General Energy
Abstract
Single-nanocrystal and ensemble photoluminescence measurements on CuInS2 semiconductor nanocrystals reveal luminescence bandshapes that are broad compared to those typical of individual II–VI or related semiconductor nanocrystals. This finding is consistent with the hypothesis of strong electron–phonon coupling in the emissive excited state of these CuInS2 semiconductor nanocrystals. Blinking is observed that resembles that of other semiconductor nanocrystals. Ensemble luminescence measurements also reveal the existence of a remarkably long-lived excited state in these nanocrystals that continues to emit photons over several orders of magnitude in time following the excitation pulse. The delayed luminescence overlaps in time and shows similar distributed kinetics to the blinking “off” times of the same nanocrystal sample, supporting the proposal that these two phenomena arise from the same microscopic carrier-trapping and -detrapping processes. Excitation power dependence measurements illustrate that the ...
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Whitham P. J. et al. Single-Particle Photoluminescence Spectra, Blinking, and Delayed Luminescence of Colloidal CuInS2 Nanocrystals // Journal of Physical Chemistry C. 2016. Vol. 120. No. 30. pp. 17136-17142.
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Whitham P. J., Marchioro A., Knowles K. E., Kilburn T. B., Reid P. J., Gamelin D. R. Single-Particle Photoluminescence Spectra, Blinking, and Delayed Luminescence of Colloidal CuInS2 Nanocrystals // Journal of Physical Chemistry C. 2016. Vol. 120. No. 30. pp. 17136-17142.
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TY - JOUR
DO - 10.1021/acs.jpcc.6b06425
UR - https://doi.org/10.1021/acs.jpcc.6b06425
TI - Single-Particle Photoluminescence Spectra, Blinking, and Delayed Luminescence of Colloidal CuInS2 Nanocrystals
T2 - Journal of Physical Chemistry C
AU - Whitham, Patrick J
AU - Marchioro, Arianna
AU - Knowles, Kathryn E
AU - Kilburn, Troy B
AU - Reid, Philip J.
AU - Gamelin, D. R.
PY - 2016
DA - 2016/07/13
PB - American Chemical Society (ACS)
SP - 17136-17142
IS - 30
VL - 120
SN - 1932-7447
SN - 1932-7455
ER -
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@article{2016_Whitham,
author = {Patrick J Whitham and Arianna Marchioro and Kathryn E Knowles and Troy B Kilburn and Philip J. Reid and D. R. Gamelin},
title = {Single-Particle Photoluminescence Spectra, Blinking, and Delayed Luminescence of Colloidal CuInS2 Nanocrystals},
journal = {Journal of Physical Chemistry C},
year = {2016},
volume = {120},
publisher = {American Chemical Society (ACS)},
month = {jul},
url = {https://doi.org/10.1021/acs.jpcc.6b06425},
number = {30},
pages = {17136--17142},
doi = {10.1021/acs.jpcc.6b06425}
}
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Whitham, Patrick J., et al. “Single-Particle Photoluminescence Spectra, Blinking, and Delayed Luminescence of Colloidal CuInS2 Nanocrystals.” Journal of Physical Chemistry C, vol. 120, no. 30, Jul. 2016, pp. 17136-17142. https://doi.org/10.1021/acs.jpcc.6b06425.