Understanding the distribution of chlorine in perovskite solar cells via x-ray fluorescence microscopyl

Yanqi Luo; Shany Gamliel; Sally Nijem; Sigalit Aharon; Martin Holt; Benjamin Stripe; Volker Rose; Mariana Bertoni; Lioz Etgar; David P. Fenning

doi:10.1109/PVSC.2016.7749715

Understanding the distribution of chlorine in perovskite solar cells via x-ray fluorescence microscopyl

Yanqi Luo, Shany Gamliel, Sally Nijem, Sigalit Aharon, Martin Holt, Benjamin Stripe, Volker Rose, Mariana Bertoni, Lioz Etgar, David P. Fenning

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Spatial heterogeneities in the chemical makeup of thin film photovoltaic devices are pivotal in determining device efficiency. In this study, the presence of chlorine is identified in perovskite films synthesized with Cl-containing precursors by means of nanoprobe X-ray fluorescence (Nano-XRF). Additionally, a spatial variation in the Cl incorporation is observed within a given film, and the standard deviation of Cl: I ratio across the film is large. Using Nano-XRF, the Cl incorporation in methylammonium lead iodide perovskite films can be manipulated by precursor stoichiometry ratio.

Original language	English (US)
Title of host publication	2016 IEEE 43rd Photovoltaic Specialists Conference, PVSC 2016
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	802-803
Number of pages	2
Volume	2016-November
ISBN (Electronic)	9781509027248
DOIs	https://doi.org/10.1109/PVSC.2016.7749715
State	Published - Nov 18 2016
Event	43rd IEEE Photovoltaic Specialists Conference, PVSC 2016 - Portland, United States Duration: Jun 5 2016 → Jun 10 2016

Other

Other	43rd IEEE Photovoltaic Specialists Conference, PVSC 2016
Country/Territory	United States
City	Portland
Period	6/5/16 → 6/10/16

Keywords

Cl containing precursors
elemental distribution
nano-XRF
perovskite solar cells
synchrotron based technique

ASJC Scopus subject areas

Control and Systems Engineering
Industrial and Manufacturing Engineering
Electrical and Electronic Engineering

Access to Document

10.1109/PVSC.2016.7749715

Cite this

Luo, Y., Gamliel, S., Nijem, S., Aharon, S., Holt, M., Stripe, B., Rose, V., Bertoni, M., Etgar, L., & Fenning, D. P. (2016). Understanding the distribution of chlorine in perovskite solar cells via x-ray fluorescence microscopyl. In 2016 IEEE 43rd Photovoltaic Specialists Conference, PVSC 2016 (Vol. 2016-November, pp. 802-803). [7749715] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/PVSC.2016.7749715

Understanding the distribution of chlorine in perovskite solar cells via x-ray fluorescence microscopyl. / Luo, Yanqi; Gamliel, Shany; Nijem, Sally et al.

2016 IEEE 43rd Photovoltaic Specialists Conference, PVSC 2016. Vol. 2016-November Institute of Electrical and Electronics Engineers Inc., 2016. p. 802-803 7749715.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Luo, Y, Gamliel, S, Nijem, S, Aharon, S, Holt, M, Stripe, B, Rose, V, Bertoni, M, Etgar, L & Fenning, DP 2016, Understanding the distribution of chlorine in perovskite solar cells via x-ray fluorescence microscopyl. in 2016 IEEE 43rd Photovoltaic Specialists Conference, PVSC 2016. vol. 2016-November, 7749715, Institute of Electrical and Electronics Engineers Inc., pp. 802-803, 43rd IEEE Photovoltaic Specialists Conference, PVSC 2016, Portland, United States, 6/5/16. https://doi.org/10.1109/PVSC.2016.7749715

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title = "Understanding the distribution of chlorine in perovskite solar cells via x-ray fluorescence microscopyl",

abstract = "Spatial heterogeneities in the chemical makeup of thin film photovoltaic devices are pivotal in determining device efficiency. In this study, the presence of chlorine is identified in perovskite films synthesized with Cl-containing precursors by means of nanoprobe X-ray fluorescence (Nano-XRF). Additionally, a spatial variation in the Cl incorporation is observed within a given film, and the standard deviation of Cl: I ratio across the film is large. Using Nano-XRF, the Cl incorporation in methylammonium lead iodide perovskite films can be manipulated by precursor stoichiometry ratio.",

keywords = "Cl containing precursors, elemental distribution, nano-XRF, perovskite solar cells, synchrotron based technique",

author = "Yanqi Luo and Shany Gamliel and Sally Nijem and Sigalit Aharon and Martin Holt and Benjamin Stripe and Volker Rose and Mariana Bertoni and Lioz Etgar and Fenning, {David P.}",

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AU - Holt, Martin

AU - Stripe, Benjamin

AU - Rose, Volker

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AB - Spatial heterogeneities in the chemical makeup of thin film photovoltaic devices are pivotal in determining device efficiency. In this study, the presence of chlorine is identified in perovskite films synthesized with Cl-containing precursors by means of nanoprobe X-ray fluorescence (Nano-XRF). Additionally, a spatial variation in the Cl incorporation is observed within a given film, and the standard deviation of Cl: I ratio across the film is large. Using Nano-XRF, the Cl incorporation in methylammonium lead iodide perovskite films can be manipulated by precursor stoichiometry ratio.

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Understanding the distribution of chlorine in perovskite solar cells via x-ray fluorescence microscopyl

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Keywords

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