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Title: Direct Measurements of Carrier Transport in Polycrystalline Methylammonium Lead Iodide Perovskite Films with Transient Grating Spectroscopy

Abstract

Hybrid organic-inorganic halide perovskites have been proposed in many optoelectronic applications, but critical to their increasing functionality and utility is understanding and controlling carrier transport. Here, we use light-induced transient grating spectroscopy to probe directly carrier transport in polycrystalline methylammonium lead iodide perovskite thin films using a weakly perturbative and noncontact method. The data reveal intrinsic diffusion characteristics of the charge carriers in the material and agree well with a simulated model of charge transport in which grain boundaries act as barriers to carrier movement.

Authors:
ORCiD logo [1];  [1]; ORCiD logo [1]; ORCiD logo [1]
  1. National Renewable Energy Lab. (NREL), Golden, CO (United States)
Publication Date:
Research Org.:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1475524
Report Number(s):
NREL/JA-5900-72035
Journal ID: ISSN 1948-7185
Grant/Contract Number:  
AC36-08GO28308
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Physical Chemistry Letters
Additional Journal Information:
Journal Volume: 9; Journal Issue: 19; Journal ID: ISSN 1948-7185
Publisher:
American Chemical Society
Country of Publication:
United States
Language:
English
Subject:
14 SOLAR ENERGY; 36 MATERIALS SCIENCE; halide perovskites; organic-inorganic; optoelectronics

Citation Formats

Arias, Dylan H., Moore, David T., van de Lagemaat, Jao, and Johnson, Justin C. Direct Measurements of Carrier Transport in Polycrystalline Methylammonium Lead Iodide Perovskite Films with Transient Grating Spectroscopy. United States: N. p., 2018. Web. doi:10.1021/acs.jpclett.8b02245.
Arias, Dylan H., Moore, David T., van de Lagemaat, Jao, & Johnson, Justin C. Direct Measurements of Carrier Transport in Polycrystalline Methylammonium Lead Iodide Perovskite Films with Transient Grating Spectroscopy. United States. https://doi.org/10.1021/acs.jpclett.8b02245
Arias, Dylan H., Moore, David T., van de Lagemaat, Jao, and Johnson, Justin C. Tue . "Direct Measurements of Carrier Transport in Polycrystalline Methylammonium Lead Iodide Perovskite Films with Transient Grating Spectroscopy". United States. https://doi.org/10.1021/acs.jpclett.8b02245. https://www.osti.gov/servlets/purl/1475524.
@article{osti_1475524,
title = {Direct Measurements of Carrier Transport in Polycrystalline Methylammonium Lead Iodide Perovskite Films with Transient Grating Spectroscopy},
author = {Arias, Dylan H. and Moore, David T. and van de Lagemaat, Jao and Johnson, Justin C.},
abstractNote = {Hybrid organic-inorganic halide perovskites have been proposed in many optoelectronic applications, but critical to their increasing functionality and utility is understanding and controlling carrier transport. Here, we use light-induced transient grating spectroscopy to probe directly carrier transport in polycrystalline methylammonium lead iodide perovskite thin films using a weakly perturbative and noncontact method. The data reveal intrinsic diffusion characteristics of the charge carriers in the material and agree well with a simulated model of charge transport in which grain boundaries act as barriers to carrier movement.},
doi = {10.1021/acs.jpclett.8b02245},
journal = {Journal of Physical Chemistry Letters},
number = 19,
volume = 9,
place = {United States},
year = {2018},
month = {9}
}

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Cited by: 6 works
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