Correlation of energy disorder and open-circuit voltage in hybrid perovskite solar cells
Abstract
Organometal trihalide perovskites have been demonstrated as excellent light absorbers for high efficiency photovoltaic applications. Previous approaches to increasing the solar cell efficiency have focussed on optimisation of the grain morphology of perovskite thin films. Here, we show that the structural order of the electron-transport layers also has a significant impact on solar cell performance. We demonstrate that the power conversion efficiency of CH3NH3PbI3 planar-heterojunction photovoltaic cells increases from 17.1% to 19.4% when the energy disorder in the fullerene electron-transport layer is reduced by a simple solvent annealing process. The increase in efficiency is the result of the enhancement in open-circuit voltage from 1.04 V to 1.13 V without sacrificing the short-circuit current and fill factor. Finally, these results shed light on the origin of open-circuit voltage in perovskite solar cells, and provide a new path to further increase their efficiency
- Authors:
-
- Univ. of Nebraska-Lincoln, Lincoln, NE (United States)
- Publication Date:
- Research Org.:
- Univ. of Nebraska-Lincoln, Lincoln, NE (United States)
- Sponsoring Org.:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Solar Energy Technologies Office
- OSTI Identifier:
- 1342748
- Grant/Contract Number:
- EE0006709
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Nature Energy
- Additional Journal Information:
- Journal Volume: 1; Journal Issue: 1; Journal ID: ISSN 2058-7546
- Publisher:
- Nature Publishing Group
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 14 SOLAR ENERGY; electronic properties and materials; electronics, photonics and device physics; solar cells
Citation Formats
Shao, Yuchuan, Yuan, Yongbo, and Huang, Jinsong. Correlation of energy disorder and open-circuit voltage in hybrid perovskite solar cells. United States: N. p., 2016.
Web. doi:10.1038/nenergy.2015.1.
Shao, Yuchuan, Yuan, Yongbo, & Huang, Jinsong. Correlation of energy disorder and open-circuit voltage in hybrid perovskite solar cells. United States. doi:10.1038/nenergy.2015.1.
Shao, Yuchuan, Yuan, Yongbo, and Huang, Jinsong. Mon .
"Correlation of energy disorder and open-circuit voltage in hybrid perovskite solar cells". United States. doi:10.1038/nenergy.2015.1. https://www.osti.gov/servlets/purl/1342748.
@article{osti_1342748,
title = {Correlation of energy disorder and open-circuit voltage in hybrid perovskite solar cells},
author = {Shao, Yuchuan and Yuan, Yongbo and Huang, Jinsong},
abstractNote = {Organometal trihalide perovskites have been demonstrated as excellent light absorbers for high efficiency photovoltaic applications. Previous approaches to increasing the solar cell efficiency have focussed on optimisation of the grain morphology of perovskite thin films. Here, we show that the structural order of the electron-transport layers also has a significant impact on solar cell performance. We demonstrate that the power conversion efficiency of CH3NH3PbI3 planar-heterojunction photovoltaic cells increases from 17.1% to 19.4% when the energy disorder in the fullerene electron-transport layer is reduced by a simple solvent annealing process. The increase in efficiency is the result of the enhancement in open-circuit voltage from 1.04 V to 1.13 V without sacrificing the short-circuit current and fill factor. Finally, these results shed light on the origin of open-circuit voltage in perovskite solar cells, and provide a new path to further increase their efficiency},
doi = {10.1038/nenergy.2015.1},
journal = {Nature Energy},
number = 1,
volume = 1,
place = {United States},
year = {2016},
month = {1}
}
Web of Science
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Exploring the effects of interfacial carrier transport layers on device performance and optoelectronic properties of planar perovskite solar cells
journal, January 2017
- Khadka, Dhruba B.; Shirai, Yasuhiro; Yanagida, Masatoshi
- Journal of Materials Chemistry C, Vol. 5, Issue 34
Hole transporting materials for perovskite solar cells: a chemical approach
journal, January 2018
- Urieta-Mora, Javier; García-Benito, Inés; Molina-Ontoria, Agustín
- Chemical Society Reviews, Vol. 47, Issue 23
Alcohol based vapor annealing of a poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) layer for performance improvement of inverted perovskite solar cells
journal, January 2018
- Liu, Guanchen; Xie, Xiaoyin; Liu, Zhihai
- Nanoscale, Vol. 10, Issue 23
Oxygen doping in nickel oxide for highly efficient planar perovskite solar cells
journal, January 2018
- Niu, Guangda; Wang, Siyu; Li, Jiangwei
- Journal of Materials Chemistry A, Vol. 6, Issue 11
Interfacial engineering enables high efficiency with a high open-circuit voltage above 1.23 V in 2D perovskite solar cells
journal, January 2018
- Chen, Jiehuan; Lian, Xiaomei; Zhang, Yingzhu
- Journal of Materials Chemistry A, Vol. 6, Issue 37
The introduction of a perovskite seed layer for high performance perovskite solar cells
journal, January 2018
- Jeong, Jaeki; Kim, Hak-Beom; Yoon, Yung Jin
- Journal of Materials Chemistry A, Vol. 6, Issue 41
Bi-functional additive engineering for high-performance perovskite solar cells with reduced trap density
journal, January 2019
- Yang, Yi; Peng, Huirong; Liu, Cheng
- Journal of Materials Chemistry A, Vol. 7, Issue 11
Acene-based organic semiconductors for organic light-emitting diodes and perovskite solar cells
journal, January 2018
- Pham, Hong Duc; Hu, Hongwei; Wong, Fu-Lung
- Journal of Materials Chemistry C, Vol. 6, Issue 33
Nickel phthalocyanine as an excellent hole-transport material in inverted planar perovskite solar cells
journal, January 2019
- Haider, Mustafa; Zhen, Chao; Wu, Tingting
- Chemical Communications, Vol. 55, Issue 37
Boosting inverted perovskite solar cell performance by using 9,9-bis(4-diphenylaminophenyl)fluorene functionalized with triphenylamine as a dopant-free hole transporting material
journal, January 2019
- Pham, Hong Duc; Gil-Escrig, Lidón; Feron, Krishna
- Journal of Materials Chemistry A, Vol. 7, Issue 20
A polyaspartic acid sodium interfacial layer enhances surface trap passivation in perovskite solar cells
journal, January 2019
- Wang, Boxin; Wu, Fei; Bi, Shiqing
- Journal of Materials Chemistry A, Vol. 7, Issue 41
Low-temperature synthesis of all-inorganic perovskite nanocrystals for UV-photodetectors
journal, January 2019
- Zhang, Hao; Zhang, Zihan; Ma, Chao
- Journal of Materials Chemistry C, Vol. 7, Issue 18
Research Update: Recombination and open-circuit voltage in lead-halide perovskites
journal, October 2018
- Kirchartz, Thomas; Krückemeier, Lisa; Unger, Eva L.
- APL Materials, Vol. 6, Issue 10
Thin‐film solar cells exceeding 22% solar cell efficiency: An overview on CdTe-, Cu(In,Ga)Se 2 -, and perovskite-based materials
journal, December 2018
- Powalla, Michael; Paetel, Stefan; Ahlswede, Erik
- Applied Physics Reviews, Vol. 5, Issue 4
Perovskite solar cells: must lead be replaced – and can it be done?
journal, May 2018
- Zhang, Qi; Hao, Feng; Li, Jianbao
- Science and Technology of Advanced Materials, Vol. 19, Issue 1
On the origin of open-circuit voltage losses in flexible n-i-p perovskite solar cells
journal, July 2019
- Pisoni, Stefano; Stolterfoht, Martin; Löckinger, Johannes
- Science and Technology of Advanced Materials, Vol. 20, Issue 1
Enhancement of photocurrent extraction and electron injection in dual-functional CH 3 NH 3 PbBr 3 perovskite-based optoelectronic devices via interfacial engineering
journal, May 2018
- Tsai, Chia-Lung; Lu, Yi-Chen; Chang, Sheng Hsiung
- Nanotechnology, Vol. 29, Issue 27
A Review: Thermal Stability of Methylammonium Lead Halide Based Perovskite Solar Cells
journal, January 2019
- Ava, Tanzila Tasnim; Al Mamun, Abdullah; Marsillac, Sylvain
- Applied Sciences, Vol. 9, Issue 1