Benzodithiophene Hole‐Transporting Materials for Efficient Tin‐Based Perovskite Solar Cells
Abstract
Abstract Developing efficient interfacial hole transporting materials (HTMs) is crucial for achieving high‐performance Pb‐free Sn‐based halide perovskite solar cells (PSCs). Here, a new series of benzodithiophene (BDT)‐based organic small molecules containing tetra‐ and di‐triphenyl amine donors prepared via a straightforward and scalable synthetic route is reported. The thermal, optical, and electrochemical properties of two BDT‐based molecules are shown to be structurally and energetically suitable to serve as HTMs for Sn‐based PSCs. It is reported here that ethylenediammonium/formamidinium tin iodide solar cells using BDT‐based HTMs deliver a champion power conversion efficiency up to 7.59%, outperforming analogous reference solar cells using traditional and expensive HTMs. Thus, these BDT‐based molecules are promising candidates as HTMs for the fabrication of high‐performance Sn‐based PSCs.
- Authors:
-
- Department of Chemistry and Research Center of New Generation Light Driven Photovoltaic Modules National Central University Taoyuan 32001 Taiwan
- Department of Chemistry and the Center for Light Energy Activated Redox Processes (LEAP) Northwestern University Evanston IL 60208 USA
- Publication Date:
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1560270
- Grant/Contract Number:
- DE‐SC0001059
- Resource Type:
- Publisher's Accepted Manuscript
- Journal Name:
- Advanced Functional Materials
- Additional Journal Information:
- Journal Name: Advanced Functional Materials Journal Volume: 29 Journal Issue: 45; Journal ID: ISSN 1616-301X
- Publisher:
- Wiley Blackwell (John Wiley & Sons)
- Country of Publication:
- Germany
- Language:
- English
Citation Formats
Vegiraju, Sureshraju, Ke, Weijun, Priyanka, Pragya, Ni, Jen‐Shyang, Wu, Yi‐Ching, Spanopoulos, Ioannis, Yau, Shueh Lin, Marks, Tobin J., Chen, Ming‐Chou, and Kanatzidis, Mercouri G. Benzodithiophene Hole‐Transporting Materials for Efficient Tin‐Based Perovskite Solar Cells. Germany: N. p., 2019.
Web. doi:10.1002/adfm.201905393.
Vegiraju, Sureshraju, Ke, Weijun, Priyanka, Pragya, Ni, Jen‐Shyang, Wu, Yi‐Ching, Spanopoulos, Ioannis, Yau, Shueh Lin, Marks, Tobin J., Chen, Ming‐Chou, & Kanatzidis, Mercouri G. Benzodithiophene Hole‐Transporting Materials for Efficient Tin‐Based Perovskite Solar Cells. Germany. https://doi.org/10.1002/adfm.201905393
Vegiraju, Sureshraju, Ke, Weijun, Priyanka, Pragya, Ni, Jen‐Shyang, Wu, Yi‐Ching, Spanopoulos, Ioannis, Yau, Shueh Lin, Marks, Tobin J., Chen, Ming‐Chou, and Kanatzidis, Mercouri G. Wed .
"Benzodithiophene Hole‐Transporting Materials for Efficient Tin‐Based Perovskite Solar Cells". Germany. https://doi.org/10.1002/adfm.201905393.
@article{osti_1560270,
title = {Benzodithiophene Hole‐Transporting Materials for Efficient Tin‐Based Perovskite Solar Cells},
author = {Vegiraju, Sureshraju and Ke, Weijun and Priyanka, Pragya and Ni, Jen‐Shyang and Wu, Yi‐Ching and Spanopoulos, Ioannis and Yau, Shueh Lin and Marks, Tobin J. and Chen, Ming‐Chou and Kanatzidis, Mercouri G.},
abstractNote = {Abstract Developing efficient interfacial hole transporting materials (HTMs) is crucial for achieving high‐performance Pb‐free Sn‐based halide perovskite solar cells (PSCs). Here, a new series of benzodithiophene (BDT)‐based organic small molecules containing tetra‐ and di‐triphenyl amine donors prepared via a straightforward and scalable synthetic route is reported. The thermal, optical, and electrochemical properties of two BDT‐based molecules are shown to be structurally and energetically suitable to serve as HTMs for Sn‐based PSCs. It is reported here that ethylenediammonium/formamidinium tin iodide solar cells using BDT‐based HTMs deliver a champion power conversion efficiency up to 7.59%, outperforming analogous reference solar cells using traditional and expensive HTMs. Thus, these BDT‐based molecules are promising candidates as HTMs for the fabrication of high‐performance Sn‐based PSCs.},
doi = {10.1002/adfm.201905393},
journal = {Advanced Functional Materials},
number = 45,
volume = 29,
place = {Germany},
year = {Wed Sep 04 00:00:00 EDT 2019},
month = {Wed Sep 04 00:00:00 EDT 2019}
}
https://doi.org/10.1002/adfm.201905393
Web of Science
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