Ultrathin Hole Extraction Layer for Efficient Inverted Perovskite Solar Cells
Abstract
Inverted perovskite solar cells (PSCs) incorporating poly(3,4-ethylenedioxythiophene)–poly(styrenesulfonate) (PEDOT) as the hole transport/extraction layer have been broadly investigated in recent years. However, most PSCs which incorporate PEDOT as the hole transport layer (HTL) suffer from lower device performance stemming from reduced photocurrent and low open-circuit voltage around 0.95 V. Here, we report an ultrathin PEDOT layer as the HTL for efficient inverted structure PSCs. The transparency, conductivity, and resulting film morphology were studied and compared with traditional architectures and thicker PEDOT layers. The PSC device incorporating an ultrathin PEDOT layer shows significant improvement in short-circuit current density (JSC), open-circuit voltage (VOC), and power conversion efficiency. Because ultrathin PEDOT layers can be easily obtained by dilution, this study suggests a simple way to improve the PSC performance and provide a route to further reduce the fabrication complexity and cost of PSCs.
- Publication Date:
- Research Org.:
- Michigan State Univ., East Lansing, MI (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1454276
- Alternate Identifier(s):
- OSTI ID: 1498733; OSTI ID: 1508796
- Grant/Contract Number:
- SC0010472
- Resource Type:
- Published Article
- Journal Name:
- ACS Omega
- Additional Journal Information:
- Journal Name: ACS Omega Journal Volume: 3 Journal Issue: 6; Journal ID: ISSN 2470-1343
- Publisher:
- American Chemical Society (ACS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 14 SOLAR ENERGY
Citation Formats
Liu, Dianyi, Wang, Qiong, Elinski, Mark, Chen, Pei, Traverse, Christopher J., Yang, Chenchen, Young, Margaret, Hamann, Thomas W., and Lunt, Richard R. Ultrathin Hole Extraction Layer for Efficient Inverted Perovskite Solar Cells. United States: N. p., 2018.
Web. doi:10.1021/acsomega.8b00741.
Liu, Dianyi, Wang, Qiong, Elinski, Mark, Chen, Pei, Traverse, Christopher J., Yang, Chenchen, Young, Margaret, Hamann, Thomas W., & Lunt, Richard R. Ultrathin Hole Extraction Layer for Efficient Inverted Perovskite Solar Cells. United States. https://doi.org/10.1021/acsomega.8b00741
Liu, Dianyi, Wang, Qiong, Elinski, Mark, Chen, Pei, Traverse, Christopher J., Yang, Chenchen, Young, Margaret, Hamann, Thomas W., and Lunt, Richard R. Wed .
"Ultrathin Hole Extraction Layer for Efficient Inverted Perovskite Solar Cells". United States. https://doi.org/10.1021/acsomega.8b00741.
@article{osti_1454276,
title = {Ultrathin Hole Extraction Layer for Efficient Inverted Perovskite Solar Cells},
author = {Liu, Dianyi and Wang, Qiong and Elinski, Mark and Chen, Pei and Traverse, Christopher J. and Yang, Chenchen and Young, Margaret and Hamann, Thomas W. and Lunt, Richard R.},
abstractNote = {Inverted perovskite solar cells (PSCs) incorporating poly(3,4-ethylenedioxythiophene)–poly(styrenesulfonate) (PEDOT) as the hole transport/extraction layer have been broadly investigated in recent years. However, most PSCs which incorporate PEDOT as the hole transport layer (HTL) suffer from lower device performance stemming from reduced photocurrent and low open-circuit voltage around 0.95 V. Here, we report an ultrathin PEDOT layer as the HTL for efficient inverted structure PSCs. The transparency, conductivity, and resulting film morphology were studied and compared with traditional architectures and thicker PEDOT layers. The PSC device incorporating an ultrathin PEDOT layer shows significant improvement in short-circuit current density (JSC), open-circuit voltage (VOC), and power conversion efficiency. Because ultrathin PEDOT layers can be easily obtained by dilution, this study suggests a simple way to improve the PSC performance and provide a route to further reduce the fabrication complexity and cost of PSCs.},
doi = {10.1021/acsomega.8b00741},
journal = {ACS Omega},
number = 6,
volume = 3,
place = {United States},
year = {Wed Jun 13 00:00:00 EDT 2018},
month = {Wed Jun 13 00:00:00 EDT 2018}
}
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https://doi.org/10.1021/acsomega.8b00741
https://doi.org/10.1021/acsomega.8b00741
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Cited by: 5 works
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Figures / Tables:
Figure 1: (a) Device architecture. (b) PEDOT film thickness as a function of the concentration of PEDOT precursor solution. (c) Current density− voltage (J−V) curves of PSCs prepared with various concentrations of PEDOT precursor solutions. (d) Corresponding EQE spectra of the perovskite devices.
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Figures / Tables found in this record:
Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.