Optical response of mixed methylammonium lead iodide and formamidinium tin iodide perovskite thin films
Abstract
Here, mixed tin (Sn) and lead (Pb) based perovskite thin films have been prepared by solution processing combining methylammonium lead iodide (MAPbI3) and formamidinium tin iodide (FASnI3) precursors. Optical response in the form of complex dielectric function (ε = ε1 + iε2) spectra and absorption coefficient (α) spectra of (FASnI3)1-x(MAPbI3)x based perovskite films have been extracted over a spectral range 0.74 to 5.89 eV using spectroscopic ellipsometry. Absorption band edge energy changes as a function of composition for films including FASnI3, MAPbI3, and mixed x = 0.20, 0.35, 0.40, and 0.6 (FASnI3)1-x(MAPbI3)x perovskites. (FASnI3)0.60(MAPbI3)0.4 is found to have the minimum absorption band edge energy near ~1.2 eV.
- Authors:
-
- Univ. of Toledo, Toledo, OH (United States). Dept. of Physics and Astronomy & Wright Center for Photovoltaics Innovation and Commercialization
- Publication Date:
- Research Org.:
- Univ. of Toledo, OH (United States). Dept. of Physics and Astronomy & Wright Center for Photovoltaics Innovation and Commercialization
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1393254
- Alternate Identifier(s):
- OSTI ID: 1369482
- Grant/Contract Number:
- TECH-09-025; CHE-1230246 DMR-1534586; FOA-0000990
- Resource Type:
- Accepted Manuscript
- Journal Name:
- AIP Advances
- Additional Journal Information:
- Journal Volume: 7; Journal Issue: 7; Journal ID: ISSN 2158-3226
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE
Citation Formats
Ghimire, Kiran, Zhao, Dewei, Yan, Yanfa, and Podraza, Nikolas J. Optical response of mixed methylammonium lead iodide and formamidinium tin iodide perovskite thin films. United States: N. p., 2017.
Web. doi:10.1063/1.4994211.
Ghimire, Kiran, Zhao, Dewei, Yan, Yanfa, & Podraza, Nikolas J. Optical response of mixed methylammonium lead iodide and formamidinium tin iodide perovskite thin films. United States. https://doi.org/10.1063/1.4994211
Ghimire, Kiran, Zhao, Dewei, Yan, Yanfa, and Podraza, Nikolas J. Thu .
"Optical response of mixed methylammonium lead iodide and formamidinium tin iodide perovskite thin films". United States. https://doi.org/10.1063/1.4994211. https://www.osti.gov/servlets/purl/1393254.
@article{osti_1393254,
title = {Optical response of mixed methylammonium lead iodide and formamidinium tin iodide perovskite thin films},
author = {Ghimire, Kiran and Zhao, Dewei and Yan, Yanfa and Podraza, Nikolas J.},
abstractNote = {Here, mixed tin (Sn) and lead (Pb) based perovskite thin films have been prepared by solution processing combining methylammonium lead iodide (MAPbI3) and formamidinium tin iodide (FASnI3) precursors. Optical response in the form of complex dielectric function (ε = ε1 + iε2) spectra and absorption coefficient (α) spectra of (FASnI3)1-x(MAPbI3)x based perovskite films have been extracted over a spectral range 0.74 to 5.89 eV using spectroscopic ellipsometry. Absorption band edge energy changes as a function of composition for films including FASnI3, MAPbI3, and mixed x = 0.20, 0.35, 0.40, and 0.6 (FASnI3)1-x(MAPbI3)x perovskites. (FASnI3)0.60(MAPbI3)0.4 is found to have the minimum absorption band edge energy near ~1.2 eV.},
doi = {10.1063/1.4994211},
journal = {AIP Advances},
number = 7,
volume = 7,
place = {United States},
year = {Thu Jul 13 00:00:00 EDT 2017},
month = {Thu Jul 13 00:00:00 EDT 2017}
}
Web of Science
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Works referencing / citing this record:
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Influence of phenylethylammonium iodide as additive in the formamidinium tin iodide perovskite on interfacial characteristics and charge carrier dynamics
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- Universitätsbibliothek Siegen