Journal of Physical Chemistry C, volume 123, issue 4, pages 2428-2440

Angular-Dependent Spontaneous Emission in Cholesteric Liquid-Crystal Films

Risse Anna M 1
Schmidtke Jürgen 1
1
 
Chemistry Department, Faculty of Science, University of Paderborn, Warburger Str. 100, 33098 Paderborn, Germany
Publication typeJournal Article
Publication date2019-01-04
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor3.7
ISSN19327447, 19327455
Surfaces, Coatings and Films
Electronic, Optical and Magnetic Materials
Physical and Theoretical Chemistry
General Energy
Abstract
Because of the presence of a selective reflection band, cholesteric liquid crystals strongly modify the emission of fluorescent guest molecules. While emission along the helical axis is well understood, the emission properties at oblique angles with respect to the cholesteric helix have so far not been explored in detail. We present a systematic study of the angular-dependent spontaneous emission properties of dye-doped cholesteric films, including a full Stokes analysis of the emitted light. Variation of the cholesteric pitch allows us to probe the effect of the photonic band structure on spontaneous emission in a wide angular range. We find exceptional angular-dependent intensity and polarization variations of the emitted light and give experimental proof for the splitting of the first-order reflection band as well as its overlap with the second-order band at large detection angles.

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Risse A. M., Schmidtke J. Angular-Dependent Spontaneous Emission in Cholesteric Liquid-Crystal Films // Journal of Physical Chemistry C. 2019. Vol. 123. No. 4. pp. 2428-2440.
GOST all authors (up to 50) Copy
Risse A. M., Schmidtke J. Angular-Dependent Spontaneous Emission in Cholesteric Liquid-Crystal Films // Journal of Physical Chemistry C. 2019. Vol. 123. No. 4. pp. 2428-2440.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1021/acs.jpcc.8b11134
UR - https://doi.org/10.1021%2Facs.jpcc.8b11134
TI - Angular-Dependent Spontaneous Emission in Cholesteric Liquid-Crystal Films
T2 - Journal of Physical Chemistry C
AU - Risse, Anna M
AU - Schmidtke, Jürgen
PY - 2019
DA - 2019/01/04 00:00:00
PB - American Chemical Society (ACS)
SP - 2428-2440
IS - 4
VL - 123
SN - 1932-7447
SN - 1932-7455
ER -
BibTex |
Cite this
BibTex Copy
@article{2019_Risse
author = {Anna M Risse and Jürgen Schmidtke},
title = {Angular-Dependent Spontaneous Emission in Cholesteric Liquid-Crystal Films},
journal = {Journal of Physical Chemistry C},
year = {2019},
volume = {123},
publisher = {American Chemical Society (ACS)},
month = {jan},
url = {https://doi.org/10.1021%2Facs.jpcc.8b11134},
number = {4},
pages = {2428--2440},
doi = {10.1021/acs.jpcc.8b11134}
}
MLA
Cite this
MLA Copy
Risse, Anna M., and Jürgen Schmidtke. “Angular-Dependent Spontaneous Emission in Cholesteric Liquid-Crystal Films.” Journal of Physical Chemistry C, vol. 123, no. 4, Jan. 2019, pp. 2428-2440. https://doi.org/10.1021%2Facs.jpcc.8b11134.
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