Synchrotron and optical probing of hybrid organic-inorganic perovskite halides for photovoltaics

被引：0

作者：

Hodges, D. ^{[1
]}

Shahriar, Shaimum ^{[1
]}

Camarillo, Clara ^{[1
]}

Maldonado, Carlos ^{[1
]}

Ramirez, Yves ^{[1
]}

Rodriguez, Victor ^{[1
]}

Akter, Tahmina ^{[2
]}

Saupe, Geoffrey ^{[2
]}

Williams, Garth ^{[3
]}

Thieme, Juergen ^{[3
]}

Camino, Fernando ^{[4
]}

Li, Mingxing ^{[4
]}

Cotlet, Mircea ^{[4
]}

Akter, Nusnin ^{[4
]}

Boscoboinik, J. Anibal ^{[4
]}

Ocampo, Luis ^{[5
]}

Bolotnikov, Aleksey ^{[6
]}

机构：

[1] Univ Texas El Paso, Dept Elect & Comp Engn, El Paso, TX 79968 USA

[2] Univ Texas El Paso, Dept Chem, El Paso, TX 79968 USA

[3] Brookhaven Natl Lab, Natl Synchrotron Light Source 2, Upton, NY 11973 USA

[4] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA

[5] Idaho Natl Lab, Radiochem & Nucl Measurements, Idaho Falls, ID 83415 USA

[6] Brookhaven Natl Lab, Nonproliferat & Natl Secur Dept, Upton, NY 11973 USA

来源：

2019 IEEE 46TH PHOTOVOLTAIC SPECIALISTS CONFERENCE (PVSC) | 2019年

基金：

美国国家科学基金会;

关键词：

SPECTRA;

D O I：

10.1109/pvsc40753.2019.8980653

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The Goldschmidt's Tolerance Factor is a reliable figure of merit or empirical index to forecast the formation of preferred and stable structures and phases with ABX(3) hybrid organic-inorganic perovskite tolerance factors in the range of 0.9 to 1. Here, we probe perovskites of compositional variations ABX(3) with tolerance factors in the range of 0.9 to 1.0, and a large effective ionic radius greater than 200 pm. We report on the structural and optical properties of hybrid perovskite halides for photovoltaic (PV) applications, MAPbI(3), FA(0.8)MA(0.1)Cs(0.1)Pb(I0.86Br0.14)(3), and FA(0.8)Cs(0.2)Pb(I0.86Br0.14)(3), with tolerance factors of 0.91, 0.964 and 0.967 respectively. PV devices were fabricated using these high tolerance factor hybrid perovskite halides. We report we have achieved power conversion efficiencies (PCEs) greater than 21% using the high tolerance factor perovskites investigated. Note, the high PCEs reflect unusually high Jsc's which may be due to lack of equipment calibration and will be further investigated.

引用

页码：1170 / 1174

页数：5

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