Nonlinear Two-Photon Absorption in the Near-Infrared Band for Lead Bromide Perovskite Films Using an F-Scan Nonlinear Spectrometer

Edgar Rueda; Juan Serna; Jose Ignacio Uribe; Daniel Ramírez; Franklin Jaramillo; Jaime Osorio; Hernando García

doi:10.1021/acsomega.2c02967

Nonlinear Two-Photon Absorption in the Near-Infrared Band for Lead Bromide Perovskite Films Using an F-Scan Nonlinear Spectrometer

Edgar Rueda, Juan Serna, Jose Ignacio Uribe, Daniel Ramírez, Franklin Jaramillo, Jaime Osorio, Hernando García

Producción científica: Contribución a una revista › Artículo en revista científica indexada › revisión exhaustiva

2 Citas (Scopus)

Resumen

An F-scan nonlinear spectrometer is used to measure the two-photon absorption coefficient for CH3NH3PbBr3 perovskite films from 690 to 995 nm. This spectrometer uses an electrically focused tunable lens and a tunable femtosecond-pulse laser (Mai Tai-HP) with a resolution of 5 nm. Two-band models and saturation irradiance corrections are used to fit the experimental data. The nonlinear absorption in this wavelength range is of the order of cm/MW. We found that the best agreement between the experimental data, the reported values in the literature, and the theoretical model is obtained for an extended two-band model with irradiance saturation correction.

Idioma original	Inglés
Páginas (desde-hasta)	29100-29105
Número de páginas	6
Publicación	ACS Omega
Volumen	7
N.º	33
DOI	https://doi.org/10.1021/acsomega.2c02967
Estado	Publicada - 23 ago. 2022

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© 2022 The Authors. Published by American Chemical Society.

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title = "Nonlinear Two-Photon Absorption in the Near-Infrared Band for Lead Bromide Perovskite Films Using an F-Scan Nonlinear Spectrometer",

abstract = "An F-scan nonlinear spectrometer is used to measure the two-photon absorption coefficient for CH3NH3PbBr3 perovskite films from 690 to 995 nm. This spectrometer uses an electrically focused tunable lens and a tunable femtosecond-pulse laser (Mai Tai-HP) with a resolution of 5 nm. Two-band models and saturation irradiance corrections are used to fit the experimental data. The nonlinear absorption in this wavelength range is of the order of cm/MW. We found that the best agreement between the experimental data, the reported values in the literature, and the theoretical model is obtained for an extended two-band model with irradiance saturation correction.",

author = "Edgar Rueda and Juan Serna and Uribe, {Jose Ignacio} and Daniel Ram{\'i}rez and Franklin Jaramillo and Jaime Osorio and Hernando Garc{\'i}a",

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Nonlinear Two-Photon Absorption in the Near-Infrared Band for Lead Bromide Perovskite Films Using an F-Scan Nonlinear Spectrometer. / Rueda, Edgar; Serna, Juan; Uribe, Jose Ignacio et al.
En: ACS Omega, Vol. 7, N.º 33, 23.08.2022, p. 29100-29105.

Producción científica: Contribución a una revista › Artículo en revista científica indexada › revisión exhaustiva

TY - JOUR

T1 - Nonlinear Two-Photon Absorption in the Near-Infrared Band for Lead Bromide Perovskite Films Using an F-Scan Nonlinear Spectrometer

AU - Rueda, Edgar

AU - Serna, Juan

AU - Uribe, Jose Ignacio

AU - Ramírez, Daniel

AU - Jaramillo, Franklin

AU - Osorio, Jaime

AU - García, Hernando

PY - 2022/8/23

Y1 - 2022/8/23

N2 - An F-scan nonlinear spectrometer is used to measure the two-photon absorption coefficient for CH3NH3PbBr3 perovskite films from 690 to 995 nm. This spectrometer uses an electrically focused tunable lens and a tunable femtosecond-pulse laser (Mai Tai-HP) with a resolution of 5 nm. Two-band models and saturation irradiance corrections are used to fit the experimental data. The nonlinear absorption in this wavelength range is of the order of cm/MW. We found that the best agreement between the experimental data, the reported values in the literature, and the theoretical model is obtained for an extended two-band model with irradiance saturation correction.

AB - An F-scan nonlinear spectrometer is used to measure the two-photon absorption coefficient for CH3NH3PbBr3 perovskite films from 690 to 995 nm. This spectrometer uses an electrically focused tunable lens and a tunable femtosecond-pulse laser (Mai Tai-HP) with a resolution of 5 nm. Two-band models and saturation irradiance corrections are used to fit the experimental data. The nonlinear absorption in this wavelength range is of the order of cm/MW. We found that the best agreement between the experimental data, the reported values in the literature, and the theoretical model is obtained for an extended two-band model with irradiance saturation correction.

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U2 - 10.1021/acsomega.2c02967

DO - 10.1021/acsomega.2c02967

M3 - Artículo en revista científica indexada

AN - SCOPUS:85136304914

SN - 2470-1343

VL - 7

SP - 29100

EP - 29105

JO - ACS Omega

JF - ACS Omega

IS - 33

ER -

Nonlinear Two-Photon Absorption in the Near-Infrared Band for Lead Bromide Perovskite Films Using an F-Scan Nonlinear Spectrometer

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