Optimizing Composition and Morphology for Large-Grain Perovskite Solar Cells via Chemical Control

Hsinhan Tsai; Wanyi Nie; Pradeep Cheruku; Nathan H. MacK; Ping Xu; Gautam Gupta; Aditya D. Mohite; Hsing Lin Wang

doi:10.1021/acs.chemmater.5b02378

Optimizing Composition and Morphology for Large-Grain Perovskite Solar Cells via Chemical Control

Hsinhan Tsai
, Wanyi Nie
, Pradeep Cheruku
, Nathan H. MacK
, Ping Xu
, Gautam Gupta
, Aditya D. Mohite
, Hsing Lin Wang

Los Alamos National Laboratory

Research output: Contribution to journal › Article › peer-review

85 Scopus citations

Abstract

We report solid iodine as a precursor additive for achieving purified organometallic perovskite crystals. By adding iodine, we found that the reaction can be pushed toward pure iodine phase rather than the kinetically favored chlorine phase. This approach can be applied in large crystalline perovskite solar cells and improved the average efficiency from 9.83% to 15.58%. (Graph Presented).

Original language	English
Pages (from-to)	5570-5576
Number of pages	7
Journal	Chemistry of Materials
Volume	27
Issue number	16
DOIs	https://doi.org/10.1021/acs.chemmater.5b02378
State	Published - Aug 25 2015

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title = "Optimizing Composition and Morphology for Large-Grain Perovskite Solar Cells via Chemical Control",

abstract = "We report solid iodine as a precursor additive for achieving purified organometallic perovskite crystals. By adding iodine, we found that the reaction can be pushed toward pure iodine phase rather than the kinetically favored chlorine phase. This approach can be applied in large crystalline perovskite solar cells and improved the average efficiency from 9.83\% to 15.58\%. (Graph Presented).",

author = "Hsinhan Tsai and Wanyi Nie and Pradeep Cheruku and MacK, \{Nathan H.\} and Ping Xu and Gautam Gupta and Mohite, \{Aditya D.\} and Wang, \{Hsing Lin\}",

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AU - Tsai, Hsinhan

AU - Nie, Wanyi

AU - Cheruku, Pradeep

AU - MacK, Nathan H.

AU - Xu, Ping

AU - Gupta, Gautam

AU - Mohite, Aditya D.

AU - Wang, Hsing Lin

PY - 2015/8/25

Y1 - 2015/8/25

N2 - We report solid iodine as a precursor additive for achieving purified organometallic perovskite crystals. By adding iodine, we found that the reaction can be pushed toward pure iodine phase rather than the kinetically favored chlorine phase. This approach can be applied in large crystalline perovskite solar cells and improved the average efficiency from 9.83% to 15.58%. (Graph Presented).

AB - We report solid iodine as a precursor additive for achieving purified organometallic perovskite crystals. By adding iodine, we found that the reaction can be pushed toward pure iodine phase rather than the kinetically favored chlorine phase. This approach can be applied in large crystalline perovskite solar cells and improved the average efficiency from 9.83% to 15.58%. (Graph Presented).

UR - https://www.scopus.com/pages/publications/84940093543

U2 - 10.1021/acs.chemmater.5b02378

DO - 10.1021/acs.chemmater.5b02378

M3 - Article

AN - SCOPUS:84940093543

SN - 0897-4756

VL - 27

SP - 5570

EP - 5576

JO - Chemistry of Materials

JF - Chemistry of Materials

IS - 16

ER -

Optimizing Composition and Morphology for Large-Grain Perovskite Solar Cells via Chemical Control

Abstract

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