State‐of‐the‐Art Electron‐Selective Contacts in Perovskite Solar Cells
Abstract
Abstract Perovskite solar cells (PSCs) have attracted much attention as efficiencies go beyond 22%. To achieve these impressive numbers, the PSC scientific community is working to improve both the perovskite optoelectronic properties, and, importantly, the interfacial properties of the adjacent electron selective contacts (ESLs). Improvements in both fronts have happened concurrently and are responsible for these rapid efficiency gains. Here, the authors review the recent advances in understanding the role of ESLs on performance improvements. ESLs can be prepared from either organic and inorganic semiconductors, or a combination of both, and their key characteristics are summarized in detail. Current state‐of‐the‐art PSCs employ fully inorganic ESLs made of a thin mesoporous TiO 2 or a planar SnO 2 , with reported certified efficiencies of 22.7 and 20.9%, respectively. While TiO 2 shows excellent performance in the short term, it has also been shown to induce solar cell degradation due to its UV absorption properties. Understanding ESLs has been instrumental in the rapid development of PSCs; however, some challenges remain in terms of understanding the role of different ESLs on the long‐term stability of the devices.
- Authors:
-
- Massachusetts Institute of Technology 77 Massachusetts Avenue Cambridge MA 02139 USA
- Publication Date:
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1464281
- Resource Type:
- Publisher's Accepted Manuscript
- Journal Name:
- Advanced Materials Interfaces
- Additional Journal Information:
- Journal Name: Advanced Materials Interfaces Journal Volume: 5 Journal Issue: 22; Journal ID: ISSN 2196-7350
- Publisher:
- Wiley Blackwell (John Wiley & Sons)
- Country of Publication:
- Germany
- Language:
- English
Citation Formats
Sun, Shijing, Buonassisi, Tonio, and Correa‐Baena, Juan‐Pablo. State‐of‐the‐Art Electron‐Selective Contacts in Perovskite Solar Cells. Germany: N. p., 2018.
Web. doi:10.1002/admi.201800408.
Sun, Shijing, Buonassisi, Tonio, & Correa‐Baena, Juan‐Pablo. State‐of‐the‐Art Electron‐Selective Contacts in Perovskite Solar Cells. Germany. https://doi.org/10.1002/admi.201800408
Sun, Shijing, Buonassisi, Tonio, and Correa‐Baena, Juan‐Pablo. Sun .
"State‐of‐the‐Art Electron‐Selective Contacts in Perovskite Solar Cells". Germany. https://doi.org/10.1002/admi.201800408.
@article{osti_1464281,
title = {State‐of‐the‐Art Electron‐Selective Contacts in Perovskite Solar Cells},
author = {Sun, Shijing and Buonassisi, Tonio and Correa‐Baena, Juan‐Pablo},
abstractNote = {Abstract Perovskite solar cells (PSCs) have attracted much attention as efficiencies go beyond 22%. To achieve these impressive numbers, the PSC scientific community is working to improve both the perovskite optoelectronic properties, and, importantly, the interfacial properties of the adjacent electron selective contacts (ESLs). Improvements in both fronts have happened concurrently and are responsible for these rapid efficiency gains. Here, the authors review the recent advances in understanding the role of ESLs on performance improvements. ESLs can be prepared from either organic and inorganic semiconductors, or a combination of both, and their key characteristics are summarized in detail. Current state‐of‐the‐art PSCs employ fully inorganic ESLs made of a thin mesoporous TiO 2 or a planar SnO 2 , with reported certified efficiencies of 22.7 and 20.9%, respectively. While TiO 2 shows excellent performance in the short term, it has also been shown to induce solar cell degradation due to its UV absorption properties. Understanding ESLs has been instrumental in the rapid development of PSCs; however, some challenges remain in terms of understanding the role of different ESLs on the long‐term stability of the devices.},
doi = {10.1002/admi.201800408},
journal = {Advanced Materials Interfaces},
number = 22,
volume = 5,
place = {Germany},
year = {Sun Aug 12 00:00:00 EDT 2018},
month = {Sun Aug 12 00:00:00 EDT 2018}
}
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