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Title: Improved ambient-stable perovskite solar cells enabled by a hybrid polymeric electron-transporting layer

Abstract

In this study, an efficient inverted perovskite solar cell with decent ambient stability is successfully demonstrated by employing an n-type polymer, poly{[N,N’-bis(2-octyldodecyl)- 1,4,5,8-naphthalene diimide-2,6-diyl]-alt-5,5’-(2,2’-bithiophene)} (N2200), as the electron-transporting layer (ETL). The device performance can be further enhanced from a power conversion efficiency (PCE) of 15 to 16.8% by tailoring the electronic properties of N2200 with a polymeric additive, poly[9,9-bis(6’- (N,N’-diethylamino)propyl)-fluorene-alt-9,9-bis(3-ethyl(oxetane- 3-ethyloxy)-hexyl) fluorene] (PFN-Ox). More importantly, the device derived from this hybrid ETL can maintain good ambient stability inherent from the pristine N2200 ETL, for which 60–70% of initial PCE can be retained after being stored in air with 10–20% humidity for 45 days.

Authors:
 [1];  [1];  [2];  [3];  [2];  [1]
  1. Univ. of Washington, Seattle, WA (United States)
  2. Hong Kong Univ. of Science and Technology, Kowloon (Hong Kong)
  3. South China Univ. of Technology, Guangzhou (People's Republic of China)
Publication Date:
Research Org.:
Univ. of Washington, Seattle, WA (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
Contributing Org.:
This work was supported by the National Science Foundation (DMR-1608279), the Office of Naval Research (N00014-14-1-0246), the Asian Office of Aerospace R&D (FA2386-15-1-4106), and the Department of Energy SunShot (DE-EE 0006710). A.J. thanks the Boeing-Johnson Foundation for financial support. H.Y. thanks Hong Kong Innovation and Technology Commission for the support through ITC-CNERC14SC01.
OSTI Identifier:
1343594
Report Number(s):
DOE-UW-Jen-26
Journal ID: ISSN 1864-5631
Grant/Contract Number:  
EE0006710
Resource Type:
Accepted Manuscript
Journal Name:
ChemSusChem
Additional Journal Information:
Journal Volume: 9; Journal Issue: 18; Journal ID: ISSN 1864-5631
Publisher:
ChemPubSoc Europe
Country of Publication:
United States
Language:
English
Subject:
14 SOLAR ENERGY; electron-transport layer; n-type polymer; perovskite; solar cells; stability

Citation Formats

Zhu, Zonglong, Chueh, Chu -Chen, Zhang, Guangye, Huang, Fei, Yan, He, and Jen, Alex K. -Y. Improved ambient-stable perovskite solar cells enabled by a hybrid polymeric electron-transporting layer. United States: N. p., 2016. Web. doi:10.1002/cssc.201600921.
Zhu, Zonglong, Chueh, Chu -Chen, Zhang, Guangye, Huang, Fei, Yan, He, & Jen, Alex K. -Y. Improved ambient-stable perovskite solar cells enabled by a hybrid polymeric electron-transporting layer. United States. https://doi.org/10.1002/cssc.201600921
Zhu, Zonglong, Chueh, Chu -Chen, Zhang, Guangye, Huang, Fei, Yan, He, and Jen, Alex K. -Y. Fri . "Improved ambient-stable perovskite solar cells enabled by a hybrid polymeric electron-transporting layer". United States. https://doi.org/10.1002/cssc.201600921. https://www.osti.gov/servlets/purl/1343594.
@article{osti_1343594,
title = {Improved ambient-stable perovskite solar cells enabled by a hybrid polymeric electron-transporting layer},
author = {Zhu, Zonglong and Chueh, Chu -Chen and Zhang, Guangye and Huang, Fei and Yan, He and Jen, Alex K. -Y.},
abstractNote = {In this study, an efficient inverted perovskite solar cell with decent ambient stability is successfully demonstrated by employing an n-type polymer, poly{[N,N’-bis(2-octyldodecyl)- 1,4,5,8-naphthalene diimide-2,6-diyl]-alt-5,5’-(2,2’-bithiophene)} (N2200), as the electron-transporting layer (ETL). The device performance can be further enhanced from a power conversion efficiency (PCE) of 15 to 16.8% by tailoring the electronic properties of N2200 with a polymeric additive, poly[9,9-bis(6’- (N,N’-diethylamino)propyl)-fluorene-alt-9,9-bis(3-ethyl(oxetane- 3-ethyloxy)-hexyl) fluorene] (PFN-Ox). More importantly, the device derived from this hybrid ETL can maintain good ambient stability inherent from the pristine N2200 ETL, for which 60–70% of initial PCE can be retained after being stored in air with 10–20% humidity for 45 days.},
doi = {10.1002/cssc.201600921},
journal = {ChemSusChem},
number = 18,
volume = 9,
place = {United States},
year = {Fri Aug 26 00:00:00 EDT 2016},
month = {Fri Aug 26 00:00:00 EDT 2016}
}

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