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Title: Room-temperature, solution-processable organic electron extraction layer for high-performance planar heterojunction perovskite solar cells

Abstract

Here in this work, we describe a room-temperature, solution-processable organic electron extraction layer (EEL) for high-performance planar heterojunction perovskite solar cells (PHJ PVSCs). This EEL is composed of a bilayered fulleropyrrolidinium iodide (FPI)-polyethyleneimine (PEIE) and PC61BM, which yields a promising power conversion efficiency (PCE) of 15.7% with insignificant hysteresis. We reveal that PC61BM can serve as a surface modifier of FPI-PEIE to simultaneously facilitate the crystallization of perovskite and the charge extraction at FPI-PEIE/CH3NH3PbI3 interface. Furthermore, the FPI-PEIE can also tune the work function of ITO and dope PC61BM to promote the efficient electron transport between ITO and PC61BM. Based on the advantages of room-temperature processability and decent electrical property of FPI-PEIE/PC61BM EEL, a high-performance flexible PVSC with a PCE ~10% is eventually demonstrated. Lastly, this study shows the potential of low-temperature processed organic EEL to replace transition metal oxide-based interlayers for highly printing compatible PVSCs with high-performance.

Authors:
 [1];  [2];  [2];  [3]
  1. Chungnam National Univ., Yuseong-gu (South Korea). Dept. of Chemical Engineering Education; Chungnam National Univ., Yuseong-gu (South Korea). Graduate School of Energy Science and Technology; Univ. of Washington, Seattle, WA (United States). Dept. of Materials Science and Engineering
  2. Univ. of Washington, Seattle, WA (United States). Dept. of Materials Science and Engineering
  3. Univ. of Washington, Seattle, WA (United States). Dept. of Materials Science and Engineering; Univ. of Washington, Seattle, WA (United States). Dept. of Chemistry
Publication Date:
Research Org.:
Univ. of Washington, Seattle, WA (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE); Asian Office of Aerospace R&D; US Department of the Navy, Office of Naval Research (ONR); Boeing Foundation; National Science Foundation (NSF)
OSTI Identifier:
1343576
Report Number(s):
DOE-UW-Jen-11
Journal ID: ISSN 2040-3364; NANOHL
Grant/Contract Number:  
EE0006710; FA2386-11-1-4072; N00014-14-1-0246; DGE-1256082
Resource Type:
Accepted Manuscript
Journal Name:
Nanoscale
Additional Journal Information:
Journal Volume: 7; Journal Issue: 41; Journal ID: ISSN 2040-3364
Publisher:
Royal Society of Chemistry
Country of Publication:
United States
Language:
English
Subject:
14 SOLAR ENERGY; 36 MATERIALS SCIENCE

Citation Formats

Kim, Jong H., Chueh, Chu-Chen, Williams, Spencer T., and Jen, Alex K. -Y. Room-temperature, solution-processable organic electron extraction layer for high-performance planar heterojunction perovskite solar cells. United States: N. p., 2015. Web. doi:10.1039/C5NR04250J.
Kim, Jong H., Chueh, Chu-Chen, Williams, Spencer T., & Jen, Alex K. -Y. Room-temperature, solution-processable organic electron extraction layer for high-performance planar heterojunction perovskite solar cells. United States. https://doi.org/10.1039/C5NR04250J
Kim, Jong H., Chueh, Chu-Chen, Williams, Spencer T., and Jen, Alex K. -Y. Thu . "Room-temperature, solution-processable organic electron extraction layer for high-performance planar heterojunction perovskite solar cells". United States. https://doi.org/10.1039/C5NR04250J. https://www.osti.gov/servlets/purl/1343576.
@article{osti_1343576,
title = {Room-temperature, solution-processable organic electron extraction layer for high-performance planar heterojunction perovskite solar cells},
author = {Kim, Jong H. and Chueh, Chu-Chen and Williams, Spencer T. and Jen, Alex K. -Y.},
abstractNote = {Here in this work, we describe a room-temperature, solution-processable organic electron extraction layer (EEL) for high-performance planar heterojunction perovskite solar cells (PHJ PVSCs). This EEL is composed of a bilayered fulleropyrrolidinium iodide (FPI)-polyethyleneimine (PEIE) and PC61BM, which yields a promising power conversion efficiency (PCE) of 15.7% with insignificant hysteresis. We reveal that PC61BM can serve as a surface modifier of FPI-PEIE to simultaneously facilitate the crystallization of perovskite and the charge extraction at FPI-PEIE/CH3NH3PbI3 interface. Furthermore, the FPI-PEIE can also tune the work function of ITO and dope PC61BM to promote the efficient electron transport between ITO and PC61BM. Based on the advantages of room-temperature processability and decent electrical property of FPI-PEIE/PC61BM EEL, a high-performance flexible PVSC with a PCE ~10% is eventually demonstrated. Lastly, this study shows the potential of low-temperature processed organic EEL to replace transition metal oxide-based interlayers for highly printing compatible PVSCs with high-performance.},
doi = {10.1039/C5NR04250J},
journal = {Nanoscale},
number = 41,
volume = 7,
place = {United States},
year = {Thu Sep 24 00:00:00 EDT 2015},
month = {Thu Sep 24 00:00:00 EDT 2015}
}

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Cited by: 60 works
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