Dopant-Free Tetrakis-Triphenylamine Hole Transporting Material for Efficient Tin-Based Perovskite Solar Cells
Abstract
Developing dopant-free hole transporting layers (HTLs) is critical in achieving high-performance and robust state-of-the-art perovskite photovoltaics, especially for the air-sensitive tin-based perovskite systems. The commonly used HTLs require hygroscopic dopants and additives for optimal performance, which adds extra cost to manufacturing and limits long-term device stability. Here we demonstrate the use of a novel tetrakis-triphenylamine (TPE) small molecule prepared by a facile synthetic route as a superior dopant-free HTL for lead-free tin-based perovskite solar cells. The best-performing tin iodide perovskite cells employing the novel mixed-cation ethylenediammonium/formamidinium with the dopant-free TPE HTL achieve a power conversion efficiency as high as 7.23%, ascribed to the HTL’s suitable band alignment and excellent hole extraction/collection properties. This efficiency is one of the highest reported so far for tin halide perovskite systems, highlighting potential application of TPE HTL material in low-cost high-performance tin-based perovskite solar cells.
- Authors:
-
[1];
[1];
[1];
[1]
- Northwestern Univ., Evanston, IL (United States). Dept. of Chemistry
- National Central Univ., Chung-Li (Taiwan). Dept. of Chemistry
- Publication Date:
- Research Org.:
- Energy Frontier Research Centers (EFRC) (United States). Argonne-Northwestern Solar Energy Research Center (ANSER)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1470385
- Grant/Contract Number:
- SC0001059
- Resource Type:
- Journal Article: Accepted Manuscript
- Journal Name:
- Journal of the American Chemical Society
- Additional Journal Information:
- Journal Volume: 140; Journal Issue: 1; Related Information: ANSER partners with Northwestern University (lead); Argonne National Laboratory; University of Chicago; University of Illinois, Urbana-Champaign; Yale University; Journal ID: ISSN 0002-7863
- Publisher:
- American Chemical Society (ACS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 14 SOLAR ENERGY; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; catalysis (homogeneous); catalysis (heterogeneous); solar (photovoltaic); solar (fuels); photosynthesis (natural and artificial); bio-inspired; hydrogen and fuel cells; electrodes - solar; defects; charge transport; spin dynamics; membrane; materials and chemistry by design; optics; synthesis (novel materials); synthesis (self-assembly)
Citation Formats
Ke, Weijun, Priyanka, Pragya, Vegiraju, Sureshraju, Stoumpos, Constantinos C., Spanopoulos, Ioannis, Soe, Chan Myae Myae, Marks, Tobin J., Chen, Ming-Chou, and Kanatzidis, Mercouri G. Dopant-Free Tetrakis-Triphenylamine Hole Transporting Material for Efficient Tin-Based Perovskite Solar Cells. United States: N. p., 2017.
Web. doi:10.1021/jacs.7b10898.
Ke, Weijun, Priyanka, Pragya, Vegiraju, Sureshraju, Stoumpos, Constantinos C., Spanopoulos, Ioannis, Soe, Chan Myae Myae, Marks, Tobin J., Chen, Ming-Chou, & Kanatzidis, Mercouri G. Dopant-Free Tetrakis-Triphenylamine Hole Transporting Material for Efficient Tin-Based Perovskite Solar Cells. United States. https://doi.org/10.1021/jacs.7b10898
Ke, Weijun, Priyanka, Pragya, Vegiraju, Sureshraju, Stoumpos, Constantinos C., Spanopoulos, Ioannis, Soe, Chan Myae Myae, Marks, Tobin J., Chen, Ming-Chou, and Kanatzidis, Mercouri G. Wed .
"Dopant-Free Tetrakis-Triphenylamine Hole Transporting Material for Efficient Tin-Based Perovskite Solar Cells". United States. https://doi.org/10.1021/jacs.7b10898. https://www.osti.gov/servlets/purl/1470385.
@article{osti_1470385,
title = {Dopant-Free Tetrakis-Triphenylamine Hole Transporting Material for Efficient Tin-Based Perovskite Solar Cells},
author = {Ke, Weijun and Priyanka, Pragya and Vegiraju, Sureshraju and Stoumpos, Constantinos C. and Spanopoulos, Ioannis and Soe, Chan Myae Myae and Marks, Tobin J. and Chen, Ming-Chou and Kanatzidis, Mercouri G.},
abstractNote = {Developing dopant-free hole transporting layers (HTLs) is critical in achieving high-performance and robust state-of-the-art perovskite photovoltaics, especially for the air-sensitive tin-based perovskite systems. The commonly used HTLs require hygroscopic dopants and additives for optimal performance, which adds extra cost to manufacturing and limits long-term device stability. Here we demonstrate the use of a novel tetrakis-triphenylamine (TPE) small molecule prepared by a facile synthetic route as a superior dopant-free HTL for lead-free tin-based perovskite solar cells. The best-performing tin iodide perovskite cells employing the novel mixed-cation ethylenediammonium/formamidinium with the dopant-free TPE HTL achieve a power conversion efficiency as high as 7.23%, ascribed to the HTL’s suitable band alignment and excellent hole extraction/collection properties. This efficiency is one of the highest reported so far for tin halide perovskite systems, highlighting potential application of TPE HTL material in low-cost high-performance tin-based perovskite solar cells.},
doi = {10.1021/jacs.7b10898},
url = {https://www.osti.gov/biblio/1470385},
journal = {Journal of the American Chemical Society},
issn = {0002-7863},
number = 1,
volume = 140,
place = {United States},
year = {2017},
month = {12}
}
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