300% Enhancement of Carrier Mobility in Uniaxial-Oriented Perovskite Films Formed by Topotactic-Oriented Attachment
Abstract
Organic–inorganic perovskites with intriguing optical and electrical properties have attracted significant research interests due to their excellent performance in optoelectronic devices. Recent efforts on preparing uniform and large‐grain polycrystalline perovskite films have led to enhanced carrier lifetime up to several microseconds. However, the mobility and trap densities of polycrystalline perovskite films are still significantly behind their single‐crystal counterparts. Here, a facile topotactic‐oriented attachment (TOA) process to grow highly oriented perovskite films, featuring strong uniaxial‐crystallographic texture, micrometer‐grain morphology, high crystallinity, low trap density (≈4 × 10 14 cm −3 ), and unprecedented 9 GHz charge‐carrier mobility (71 cm 2 V −1 s −1 ), is demonstrated. TOA‐perovskite‐based n‐i‐p planar solar cells show minimal discrepancies between stabilized efficiency (19.0%) and reverse‐scan efficiency (19.7%). The TOA process is also applicable for growing other state‐of‐the‐art perovskite alloys, including triple‐cation and mixed‐halide perovskites.
- Authors:
-
- National Renewable Energy Lab. (NREL), Golden, CO (United States)
- Argonne National Lab. (ANL), Lemont, IL (United States)
- Seoul National Univ., Seoul (Korea)
- National Renewable Energy Lab. (NREL), Golden, CO (United States); Univ. of Colorado, Boulder, CO (United States)
- Publication Date:
- Research Org.:
- National Renewable Energy Laboratory (NREL), Golden, CO (United States)
- Sponsoring Org.:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Solar Energy Technologies Office; USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1364160
- Alternate Identifier(s):
- OSTI ID: 1400838
- Report Number(s):
- NREL/JA-5900-68431
Journal ID: ISSN 0935-9648
- Grant/Contract Number:
- AC36-08GO28308; DE‐AC36‐08GO28308
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Advanced Materials
- Additional Journal Information:
- Journal Volume: 29; Journal Issue: 23; Journal ID: ISSN 0935-9648
- Publisher:
- Wiley
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 14 SOLAR ENERGY; 36 MATERIALS SCIENCE; carrier mobility; orientation; perovskite films; solar cells; topotactic-oriented attachment
Citation Formats
Kim, Dong Hoe, Park, Jaehong, Li, Zhen, Yang, Mengjin, Park, Ji -Sang, Park, Ik Jae, Kim, Jin Young, Berry, Joseph J., Rumbles, Garry, and Zhu, Kai. 300% Enhancement of Carrier Mobility in Uniaxial-Oriented Perovskite Films Formed by Topotactic-Oriented Attachment. United States: N. p., 2017.
Web. doi:10.1002/adma.201606831.
Kim, Dong Hoe, Park, Jaehong, Li, Zhen, Yang, Mengjin, Park, Ji -Sang, Park, Ik Jae, Kim, Jin Young, Berry, Joseph J., Rumbles, Garry, & Zhu, Kai. 300% Enhancement of Carrier Mobility in Uniaxial-Oriented Perovskite Films Formed by Topotactic-Oriented Attachment. United States. https://doi.org/10.1002/adma.201606831
Kim, Dong Hoe, Park, Jaehong, Li, Zhen, Yang, Mengjin, Park, Ji -Sang, Park, Ik Jae, Kim, Jin Young, Berry, Joseph J., Rumbles, Garry, and Zhu, Kai. Tue .
"300% Enhancement of Carrier Mobility in Uniaxial-Oriented Perovskite Films Formed by Topotactic-Oriented Attachment". United States. https://doi.org/10.1002/adma.201606831. https://www.osti.gov/servlets/purl/1364160.
@article{osti_1364160,
title = {300% Enhancement of Carrier Mobility in Uniaxial-Oriented Perovskite Films Formed by Topotactic-Oriented Attachment},
author = {Kim, Dong Hoe and Park, Jaehong and Li, Zhen and Yang, Mengjin and Park, Ji -Sang and Park, Ik Jae and Kim, Jin Young and Berry, Joseph J. and Rumbles, Garry and Zhu, Kai},
abstractNote = {Organic–inorganic perovskites with intriguing optical and electrical properties have attracted significant research interests due to their excellent performance in optoelectronic devices. Recent efforts on preparing uniform and large‐grain polycrystalline perovskite films have led to enhanced carrier lifetime up to several microseconds. However, the mobility and trap densities of polycrystalline perovskite films are still significantly behind their single‐crystal counterparts. Here, a facile topotactic‐oriented attachment (TOA) process to grow highly oriented perovskite films, featuring strong uniaxial‐crystallographic texture, micrometer‐grain morphology, high crystallinity, low trap density (≈4 × 10 14 cm −3 ), and unprecedented 9 GHz charge‐carrier mobility (71 cm 2 V −1 s −1 ), is demonstrated. TOA‐perovskite‐based n‐i‐p planar solar cells show minimal discrepancies between stabilized efficiency (19.0%) and reverse‐scan efficiency (19.7%). The TOA process is also applicable for growing other state‐of‐the‐art perovskite alloys, including triple‐cation and mixed‐halide perovskites.},
doi = {10.1002/adma.201606831},
journal = {Advanced Materials},
number = 23,
volume = 29,
place = {United States},
year = {Tue Apr 18 00:00:00 EDT 2017},
month = {Tue Apr 18 00:00:00 EDT 2017}
}
Web of Science
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