Enhancing stability and efficiency of perovskite solar cells with crosslinkable silane-functionalized and doped fullerene

Bai, Yang; Dong, Qingfeng; Shao, Yuchuan; Deng, Yehao; Wang, Qi; Shen, Liang; Wang, Dong; Wei, Wei; Huang, Jinsong

doi:10.1038/ncomms12806

Title: Enhancing stability and efficiency of perovskite solar cells with crosslinkable silane-functionalized and doped fullerene

Journal Article · Wed Oct 05 00:00:00 EDT 2016 · Nature Communications

DOI:https://doi.org/10.1038/ncomms12806· OSTI ID:1342744

Bai, Yang ^[1]; Dong, Qingfeng ^[1]; Shao, Yuchuan ^[1]; Deng, Yehao ^[1]; Wang, Qi ^[1]; Shen, Liang ^[1]; Wang, Dong ^[1]; Wei, Wei ^[1]; Huang, Jinsong ^[1]

Univ. of Nebraska-Lincoln, Lincoln, NE (United States)

The instability of hybrid perovskite materials due to water and moisture arises as one major challenge to be addressed before any practical application of the demonstrated high efficiency perovskite solar cells. Here we report a facile strategy that can simultaneously enhance the stability and efficiency of p-i-n planar heterojunction-structure perovskite devices. Crosslinkable silane molecules with hydrophobic functional groups are bonded onto fullerene to make the fullerene layer highly water-resistant. Methylammonium iodide is introduced in the fullerene layer for n-doping via anion-induced electron transfer, resulting in dramatically increased conductivity over 100-fold. With crosslinkable silane-functionalized and doped fullerene electron transport layer, the perovskite devices deliver an efficiency of 19.5% with a high fill factor of 80.6%. Furthermore, a crosslinked silane-modified fullerene layer also enhances the water and moisture stability of the non-sealed perovskite devices by retaining nearly 90% of their original efficiencies after 30 days’ exposure in an ambient environment.

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Research Organization:: Univ. of Nebraska, Lincoln, NE (United States)

Sponsoring Organization:: USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Solar Energy Technologies Office

Grant/Contract Number:: EE0006709

OSTI ID:: 1342744

Journal Information:: Nature Communications, Vol. 7; ISSN 2041-1723

Publisher:: Nature Publishing GroupCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 325 works

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From Exceptional Properties to Stability Challenges of Perovskite Solar Cells Gholipour, Somayeh; Saliba, Michael Small, Vol. 14, Issue 46 https://doi.org/10.1002/smll.201802385	journal	August 2018
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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Surface Chlorination of ZnO for Perovskite Solar Cells with Enhanced Efficiency and Stability Zhang, Dezhong; Zhang, Xindong; Bai, Sai Solar RRL, Vol. 3, Issue 8 https://doi.org/10.1002/solr.201900154	journal	May 2019
Simultaneous Cesium and Acetate Coalloying Improves Efficiency and Stability of FA _0.85 MA _0.15 PbI ₃ Perovskite Solar Cell with an Efficiency of 21.95% Yuan, Shihao; Cai, Yuan; Yang, Shaomin Solar RRL, Vol. 3, Issue 9 https://doi.org/10.1002/solr.201900220	journal	May 2019
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The multiple effects of polyaniline additive to improve the efficiency and stability of perovskite solar cells Zheng, Haiying; Xu, Xiaoxiao; Xu, Shendong Journal of Materials Chemistry C, Vol. 7, Issue 15 https://doi.org/10.1039/c8tc05975f	journal	January 2019
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Matching Charge Extraction Contact for Wide-Bandgap Perovskite Solar Cells B., Chen,; Y., Shao,; J., Huang, The University of North Carolina at Chapel Hill University Libraries https://doi.org/10.17615/50rf-ma51	text	January 2017
Argon Plasma Treatment to Tune Perovskite Surface Composition for High Efficiency Solar Cells and Fast Photodetectors Y., Fang,; X., Xiao,; Y., Gao, The University of North Carolina at Chapel Hill University Libraries https://doi.org/10.17615/8gyw-8442	text	January 2018
Electrical Stress Influences the Efficiency of CH ₃ NH ₃ PbI ₃ Perovskite Light Emitting Devices Zhao, Lianfeng; Gao, Jia; Lin, YunHui L. Advanced Materials, Vol. 29, Issue 24 https://doi.org/10.1002/adma.201605317	journal	April 2017
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Improved Moisture Stability of Perovskite Solar Cells with a Surface-Treated PCBM Layer Hangoma, Pesi Mwitumwa; Ma, Yongchao; Shin, Insoo Solar RRL, Vol. 3, Issue 2 https://doi.org/10.1002/solr.201800289	journal	December 2018
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Interface and Defect Engineering for Metal Halide Perovskite Optoelectronic Devices Han, Tae‐Hee; Tan, Shaun; Xue, Jingjing Advanced Materials, Vol. 31, Issue 47 https://doi.org/10.1002/adma.201803515	journal	September 2018
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.201800214	journal	February 2018
Electron-Transport Materials in Perovskite Solar Cells Lian, Jiarong; Lu, Bing; Niu, Fangfang Small Methods, Vol. 2, Issue 10 https://doi.org/10.1002/smtd.201800082	journal	July 2018
Bilateral alkylamine for suppressing charge recombination and improving stability in blade-coated perovskite solar cells J., Huang,; X., Xiao,; J., Zhao, The University of North Carolina at Chapel Hill University Libraries https://doi.org/10.17615/r232-5f04	text	January 2019
Understanding Hydrogen Bonding Interactions in Crosslinked Methylammonium Lead Iodide Crystals: Towards Reducing Moisture and Light Degradation Pathways Nimens, Wendy J.; Lefave, Sarah J.; Flannery, Laura Angewandte Chemie, Vol. 131, Issue 39 https://doi.org/10.1002/ange.201906017	journal	July 2019
Aqueous-Containing Precursor Solutions for Efficient Perovskite Solar Cells Liu, Dianyi; Traverse, Christopher J.; Chen, Pei Advanced Science, Vol. 5, Issue 1 https://doi.org/10.1002/advs.201700484	journal	November 2017
Recent Advance in Solution-Processed Organic Interlayers for High-Performance Planar Perovskite Solar Cells Zhang, Wenxiao; Wang, Ying-Chiao; Li, Xiaodong Advanced Science, Vol. 5, Issue 7 https://doi.org/10.1002/advs.201800159	journal	May 2018
Effect of Cs-Incorporated NiO_x on the Performance of Perovskite Solar Cells Kim, Hui-Seon; Seo, Ji-Youn; Xie, Haibing ACS Omega, Vol. 2, Issue 12 https://doi.org/10.1021/acsomega.7b01179	journal	December 2017
Excess charge-carrier induced instability of hybrid perovskites Y., Fang,; B., Chen,; Y., Lin, The University of North Carolina at Chapel Hill University Libraries https://doi.org/10.17615/qj2r-3306	text	January 2018

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