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Title: Understanding and Eliminating Hysteresis for Highly Efficient Planar Perovskite Solar Cells

Abstract

Through detailed device characterization using cross‐sectional Kelvin probe force microscopy (KPFM) and trap density of states measurements, we identify that the J – V hysteresis seen in planar organic–inorganic hybrid perovskite solar cells (PVSCs) using SnO 2 electron selective layers (ESLs) synthesized by low‐temperature plasma‐enhanced atomic‐layer deposition (PEALD) method is mainly caused by the imbalanced charge transportation between the ESL/perovskite and the hole selective layer/perovskite interfaces. We find that this charge transportation imbalance is originated from the poor electrical conductivity of the low‐temperature PEALD SnO 2 ESL. We further discover that a facile low‐temperature thermal annealing of SnO 2 ESLs can effectively improve the electrical mobility of low‐temperature PEALD SnO 2 ESLs and consequently significantly reduce or even eliminate the J – V hysteresis. With the reduction of J – V hysteresis and optimization of deposition process, planar PVSCs with stabilized output powers up to 20.3% are achieved. The results of this study provide insights for further enhancing the efficiency of planar PVSCs.

Authors:
 [1];  [2];  [3];  [3];  [3];  [3];  [3];  [4];  [3];  [3];  [5];  [6];  [3];  [2];  [2];  [5]; ORCiD logo [3]
  1. Univ. of Toledo, Toledo, OH (United States); Wuhan Univ., Wuhan (China)
  2. National Renewable Energy Lab. (NREL), Golden, CO (United States)
  3. Univ. of Toledo, Toledo, OH (United States)
  4. Univ. of Heidelberg, Heidelberg (Germany)
  5. Wuhan Univ., Wuhan (China)
  6. Southeast Univ., Nanjing (China)
Publication Date:
Research Org.:
National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Solar Energy Technologies Office (EE-4S), SunShot Initiative; USDOE
OSTI Identifier:
1392207
Alternate Identifier(s):
OSTI ID: 1378809
Report Number(s):
NREL/JA-5K00-68335
Journal ID: ISSN 1614-6832
Grant/Contract Number:  
AC36-08GO28308; DE‐FOA‐0000990
Resource Type:
Accepted Manuscript
Journal Name:
Advanced Energy Materials
Additional Journal Information:
Journal Volume: 7; Journal Issue: 17; Journal ID: ISSN 1614-6832
Publisher:
Wiley
Country of Publication:
United States
Language:
English
Subject:
14 SOLAR ENERGY; hysteresis; Kelvin probe force microscopy; perovskite solar cells; post annealing

Citation Formats

Wang, Changlei, Xiao, Chuanxiao, Yu, Yue, Zhao, Dewei, Awni, Rasha A., Grice, Corey R., Ghimire, Kiran, Constantinou, Iordania, Liao, Weiqiang, Cimaroli, Alexander J., Liu, Pei, Chen, Jing, Podraza, Nikolas J., Jiang, Chun -Sheng, Al-Jassim, Mowafak M., Zhao, Xingzhong, and Yan, Yanfa. Understanding and Eliminating Hysteresis for Highly Efficient Planar Perovskite Solar Cells. United States: N. p., 2017. Web. doi:10.1002/aenm.201700414.
Wang, Changlei, Xiao, Chuanxiao, Yu, Yue, Zhao, Dewei, Awni, Rasha A., Grice, Corey R., Ghimire, Kiran, Constantinou, Iordania, Liao, Weiqiang, Cimaroli, Alexander J., Liu, Pei, Chen, Jing, Podraza, Nikolas J., Jiang, Chun -Sheng, Al-Jassim, Mowafak M., Zhao, Xingzhong, & Yan, Yanfa. Understanding and Eliminating Hysteresis for Highly Efficient Planar Perovskite Solar Cells. United States. https://doi.org/10.1002/aenm.201700414
Wang, Changlei, Xiao, Chuanxiao, Yu, Yue, Zhao, Dewei, Awni, Rasha A., Grice, Corey R., Ghimire, Kiran, Constantinou, Iordania, Liao, Weiqiang, Cimaroli, Alexander J., Liu, Pei, Chen, Jing, Podraza, Nikolas J., Jiang, Chun -Sheng, Al-Jassim, Mowafak M., Zhao, Xingzhong, and Yan, Yanfa. Thu . "Understanding and Eliminating Hysteresis for Highly Efficient Planar Perovskite Solar Cells". United States. https://doi.org/10.1002/aenm.201700414. https://www.osti.gov/servlets/purl/1392207.
@article{osti_1392207,
title = {Understanding and Eliminating Hysteresis for Highly Efficient Planar Perovskite Solar Cells},
author = {Wang, Changlei and Xiao, Chuanxiao and Yu, Yue and Zhao, Dewei and Awni, Rasha A. and Grice, Corey R. and Ghimire, Kiran and Constantinou, Iordania and Liao, Weiqiang and Cimaroli, Alexander J. and Liu, Pei and Chen, Jing and Podraza, Nikolas J. and Jiang, Chun -Sheng and Al-Jassim, Mowafak M. and Zhao, Xingzhong and Yan, Yanfa},
abstractNote = {Through detailed device characterization using cross‐sectional Kelvin probe force microscopy (KPFM) and trap density of states measurements, we identify that the J – V hysteresis seen in planar organic–inorganic hybrid perovskite solar cells (PVSCs) using SnO 2 electron selective layers (ESLs) synthesized by low‐temperature plasma‐enhanced atomic‐layer deposition (PEALD) method is mainly caused by the imbalanced charge transportation between the ESL/perovskite and the hole selective layer/perovskite interfaces. We find that this charge transportation imbalance is originated from the poor electrical conductivity of the low‐temperature PEALD SnO 2 ESL. We further discover that a facile low‐temperature thermal annealing of SnO 2 ESLs can effectively improve the electrical mobility of low‐temperature PEALD SnO 2 ESLs and consequently significantly reduce or even eliminate the J – V hysteresis. With the reduction of J – V hysteresis and optimization of deposition process, planar PVSCs with stabilized output powers up to 20.3% are achieved. The results of this study provide insights for further enhancing the efficiency of planar PVSCs.},
doi = {10.1002/aenm.201700414},
journal = {Advanced Energy Materials},
number = 17,
volume = 7,
place = {United States},
year = {Thu May 11 00:00:00 EDT 2017},
month = {Thu May 11 00:00:00 EDT 2017}
}

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Nucleation and crystal growth control for scalable solution-processed organic–inorganic hybrid perovskite solar cells
journal, January 2020

  • Hu, Hanlin; Singh, Mriganka; Wan, Xuejuan
  • Journal of Materials Chemistry A, Vol. 8, Issue 4
  • DOI: 10.1039/c9ta11245f

High efficiency flexible perovskite solar cells using SnO 2 /graphene electron selective layer and silver nanowires electrode
journal, November 2018

  • Liu, Xiangyang; Yang, Xiaodu; Liu, Xinsheng
  • Applied Physics Letters, Vol. 113, Issue 20
  • DOI: 10.1063/1.5042299

Atmospherically induced defects in (FASnI 3 ) 0.6 (MAPbI 3−3 x Cl 3 x ) 0.4 perovskites
journal, February 2019

  • Junda, Maxwell M.; Zhao, Dewei; Subedi, Biwas
  • Journal of Physics D: Applied Physics, Vol. 52, Issue 17
  • DOI: 10.1088/1361-6463/ab05b2

Alkali Salts as Interface Modifiers in n‐i‐p Hybrid Perovskite Solar Cells
journal, May 2019


A Short Review on Interface Engineering of Perovskite Solar Cells: A Self‐Assembled Monolayer and Its Roles
journal, August 2019


15% efficient carbon based planar-heterojunction perovskite solar cells using a TiO 2 /SnO 2 bilayer as the electron transport layer
journal, January 2018

  • Liu, Zhiyong; Sun, Bo; Liu, Xingyue
  • Journal of Materials Chemistry A, Vol. 6, Issue 17
  • DOI: 10.1039/c8ta00526e

A ternary organic electron transport layer for efficient and photostable perovskite solar cells under full spectrum illumination
journal, January 2018

  • Xie, Jiangsheng; Arivazhagan, V.; Xiao, Ke
  • Journal of Materials Chemistry A, Vol. 6, Issue 14
  • DOI: 10.1039/c8ta00816g

Research progress on organic–inorganic halide perovskite materials and solar cells
journal, February 2018


Perovskite Solar Cells with ZnO Electron-Transporting Materials
journal, November 2017


Improving Performance and Stability of Planar Perovskite Solar Cells through Grain Boundary Passivation with Block Copolymers
journal, May 2019


A novel quadruple-cation absorber for universal hysteresis elimination for high efficiency and stable perovskite solar cells
journal, January 2017

  • Bu, Tongle; Liu, Xueping; Zhou, Yuan
  • Energy & Environmental Science, Vol. 10, Issue 12
  • DOI: 10.1039/c7ee02634j

Hot-substrate deposition of all-inorganic perovskite films for low-temperature processed high-efficiency solar cells
journal, January 2019

  • Wang, Ze; Liu, Xiaodong; Lin, Yiwei
  • Journal of Materials Chemistry A, Vol. 7, Issue 6
  • DOI: 10.1039/c8ta09855g