Theory of Light-Modulated Emission Spectroscopy
Metadatos
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http://dx.doi.org/10.1021/acs.jpclett.7b01563 |
Metadatos
Título
Theory of Light-Modulated Emission SpectroscopyFecha de publicación
2017-07Editor
American Chemical SocietyCita bibliográfica
ANSARI-RAD, Mehdi; BISQUERT, Juan. Theory of Light-Modulated Emission Spectroscopy. The Journal of Physical Chemistry Letters, 2017, vol. 8, no 15, p. 3673-3677.Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://pubs.acs.org/doi/abs/10.1021/acs.jpclett.7b01563Versión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
Perovskite solar cells and fluorescent collectors formed by a dispersion of quantum dots in a transparent solid are paradigmatic devices for photon capture and utilization that involve the coupling of photon displac ... [+]
Perovskite solar cells and fluorescent collectors formed by a dispersion of quantum dots in a transparent solid are paradigmatic devices for photon capture and utilization that involve the coupling of photon displacement, absorption and regeneration. In order to obtain information about the coupled photonic processes in systems involving photon recycling, we analyze the transfer function for modulated outgoing to incoming photon flux. We show the physical features of light-to-light impedance that reveals a trap-limited diffusion of photons coupled with the nonradiative recombination. The spectral shapes allow one to distinguish readily photonic recombination and diffusion kinetic phenomena and consequently to determine the physical parameters that control the system’s quantum yield for photoluminescence. [-]
Proyecto de investigación
MINECO of Spain (MAT2016-76892-C3-1-R) ; Generalitat Valenciana (PROMETEOII/2014/020)Derechos de acceso
Copyright © 2017 American Chemical Society
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