Employing Lead Thiocyanate Additive to Reduce the Hysteresis and Boost the Fill Factor of Planar Perovskite Solar Cells

Ke, Weijun; Xiao, Chuanxiao; Wang, Changlei; Saparov, Bayrammurad; Duan, Hsin-Sheng; Zhao, Dewei; Xiao, Zewen; Schulz, Philip; Harvey, Steven P.; Liao, Weiqiang; Meng, Weiwei; Yu, Yue; Cimaroli, Alexander J.; Jiang, Chun-Sheng; Zhu, Kai; Al-Jassim, Mowafak; Fang, Guojia; Mitzi, David B.; Yan, Yanfa

doi:10.1002/adma.201600594

Title: Employing Lead Thiocyanate Additive to Reduce the Hysteresis and Boost the Fill Factor of Planar Perovskite Solar Cells

Journal Article · Wed May 04 00:00:00 EDT 2016 · Advanced Materials

DOI:https://doi.org/10.1002/adma.201600594· OSTI ID:1265054

Ke, Weijun ^[1]; Xiao, Chuanxiao ^[2]; Wang, Changlei ^[3]; Saparov, Bayrammurad ^[4]; Duan, Hsin-Sheng ^[5]; Zhao, Dewei ^[6]; Xiao, Zewen ^[3]; Schulz, Philip ^[2]; Harvey, Steven P. ^[2]; Liao, Weiqiang ^[3]; Meng, Weiwei ^[3]; Yu, Yue ^[3]; Cimaroli, Alexander J. ^[3]; Jiang, Chun-Sheng ^[2]; Zhu, Kai ^[2]; Al-Jassim, Mowafak ^[2]; Fang, Guojia ^[7]; Mitzi, David B. ^[4]; Yan, Yanfa ^[3]

Department of Physics and Astronomy and Wright Center for Photovoltaics Innovation and Commercialization, The University of Toledo, Toledo OH 43606 USA; Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education of China, School of Physics and Technology, Wuhan University, Wuhan 430072 China; National Renewable Energy Laboratory, 15013 Denver West Parkway Golden CO 80401 USA
National Renewable Energy Laboratory, 15013 Denver West Parkway Golden CO 80401 USA
Department of Physics and Astronomy and Wright Center for Photovoltaics Innovation and Commercialization, The University of Toledo, Toledo OH 43606 USA
Department of Mechanical Engineering and Materials Science, Duke University, Durham NC 27708 USA; Department of Chemistry, Duke University, Durham NC 27708 USA
Department of Mechanical Engineering and Materials Science, Duke University, Durham NC 27708 USA
Department of Physics and Astronomy and Wright Center for Photovoltaics Innovation and Commercialization, The University of Toledo, Toledo OH 43606 USA; National Renewable Energy Laboratory, 15013 Denver West Parkway Golden CO 80401 USA
Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education of China, School of Physics and Technology, Wuhan University, Wuhan 430072 China

Lead thiocyanate in the perovskite precursor can increase the grain size of a perovskite thin film and reduce the conductivity of the grain boundaries, leading to perovskite solar cells with reduced hysteresis and enhanced fill factor. A planar perovskite solar cell with grain boundary and interface passivation achieves a steady-state efficiency of 18.42%.

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Research Organization:: National Renewable Energy Laboratory (NREL), Golden, CO (United States)

Sponsoring Organization:: USDOE SunShot Initiative

DOE Contract Number:: AC36-08GO28308

OSTI ID:: 1265054

Report Number(s):: NREL/JA-5K00-66441

Journal Information:: Advanced Materials, Vol. 28, Issue 26; ISSN 0935-9648

Publisher:: Wiley

Country of Publication:: United States

Language:: English

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Synergistic Hematite-Fullerene Electron-Extracting Layers for Improved Efficiency and Stability in Perovskite Solar Cells Hou, Qinzhi; Ren, Jing; Chen, Haijun ChemElectroChem, Vol. 5, Issue 5 https://doi.org/10.1002/celc.201701054	journal	January 2018
Improving the Performance of Formamidinium and Cesium Lead Triiodide Perovskite Solar Cells using Lead Thiocyanate Additives Yu, Yue; Wang, Changlei; Grice, Corey R. ChemSusChem, Vol. 9, Issue 23 https://doi.org/10.1002/cssc.201601027	journal	October 2016
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An Additive of Sulfonic Lithium Salt for High‐Performance Perovskite Solar Cells Luo, Hui; Wu, Jihuai; Liu, Quanzhen ChemistrySelect, Vol. 3, Issue 43 https://doi.org/10.1002/slct.201802109	journal	November 2018
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General Nondestructive Passivation by 4‐Fluoroaniline for Perovskite Solar Cells with Improved Performance and Stability Zhao, Shenghe; Xie, Jiangsheng; Cheng, Guanghui Small, Vol. 14, Issue 50 https://doi.org/10.1002/smll.201803350	journal	October 2018
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Fundamental Understanding of Photocurrent Hysteresis in Perovskite Solar Cells Liu, Pengyun; Wang, Wei; Liu, Shaomin Advanced Energy Materials, Vol. 9, Issue 13 https://doi.org/10.1002/aenm.201803017	journal	February 2019
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Highly Efficient Guanidinium‐Based Quasi 2D Perovskite Solar Cells via a Two‐Step Post‐Treatment Process Zhang, Yingzhu; Chen, Jiehuan; Lian, Xiaomei Small Methods, Vol. 3, Issue 11 https://doi.org/10.1002/smtd.201900375	journal	May 2019
Vertical Orientated Dion–Jacobson Quasi‐2D Perovskite Film with Improved Photovoltaic Performance and Stability Li, Fengzhu; Zhang, Jie; Jo, SaeByeok Small Methods, Vol. 4, Issue 5 https://doi.org/10.1002/smtd.201900831	journal	December 2019
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Boosting Photovoltaic Performance for Lead Halide Perovskites Solar Cells with BF ₄ ⁻ Anion Substitutions Zhang, Jie; Wu, Shengfan; Liu, Tiantian Advanced Functional Materials, Vol. 29, Issue 47 https://doi.org/10.1002/adfm.201808833	journal	February 2019
Dithieno[3,2‐b:2′,3′‐d]pyrrol‐Cored Hole Transport Material Enabling Over 21% Efficiency Dopant‐Free Perovskite Solar Cells Yin, Xinxing; Zhou, Jie; Song, Zhaoning Advanced Functional Materials, Vol. 29, Issue 38 https://doi.org/10.1002/adfm.201904300	journal	July 2019
Dramatically promoted crystallization control of organolead triiodide perovskite film by a homogeneous cap for high efficiency planar-heterojunction solar cells Zhu, Weidong; Bao, Chunxiong; Lv, Bihu Journal of Materials Chemistry A, Vol. 4, Issue 32 https://doi.org/10.1039/c6ta04332a	journal	January 2016
Double layer mesoscopic electron contact for efficient perovskite solar cells Chavan, Rohit D.; Yadav, Pankaj; Tavakoli, Mohammad Mahdi Sustainable Energy & Fuels, Vol. 4, Issue 2 https://doi.org/10.1039/c9se01051c	journal	January 2020
Enhanced efficacy of defect passivation and charge extraction for efficient perovskite photovoltaics with a small open circuit voltage loss Liao, Jin-Feng; Wu, Wu-Qiang; Zhong, Jun-Xing Journal of Materials Chemistry A, Vol. 7, Issue 15 https://doi.org/10.1039/c9ta01760g	journal	January 2019
The investigation of the unseen interrelationship of grain size, ionic defects, device physics and performance of perovskite solar cells Ameri, Mohsen; Mohajerani, Ezeddin; Ghafarkani, Mashhood Journal of Physics D: Applied Physics, Vol. 52, Issue 12 https://doi.org/10.1088/1361-6463/aafea9	journal	January 2019

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