Strain Engineering in Perovskites: Mutual Insight on Oxides and Halides
- Authors
- Choi, Min-Ju; Lee, Jung-Woo; Jang, Ho Won
- Issue Date
- Dec-2023
- Publisher
- John Wiley and Sons Inc
- Keywords
- energy conversion devices; halides; oxides; perovskites; strain engineering
- Citation
- Advanced Materials, v.36, no.9
- Journal Title
- Advanced Materials
- Volume
- 36
- Number
- 9
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/32423
- DOI
- 10.1002/adma.202308827
- ISSN
- 0935-9648
1521-4095
- Abstract
- Perovskite materials have garnered significant attention over the past decades due to their applications, not only in electronic materials, such as dielectrics, piezoelectrics, ferroelectrics, and superconductors but also in optoelectronic devices like solar cells and light emitting diodes. This interest arises from their versatile combinations and physiochemical tunability. While strain engineering is a recognized powerful tool for tailoring material properties, its collaborative impact on both oxides and halides remains understudied. Herein, strain engineering in perovskites for energy conversion devices, providing mutual insight into both oxides and halides is discussed. The various experimental methods are presented for applying strain by using thermal mismatch, lattice mismatch, defects, doping, light illumination, and flexible substrates. In addition, the main factors that are influenced by strain, categorized as structure (e.g., symmetry breaking, octahedral distortion), bandgap, chemical reactivity, and defect formation energy are described. After that, recent progress in strain engineering for perovskite oxides and halides for energy conversion devices is introduced. Promising methods for enhancing the performance of energy conversion devices using perovskites through strain engineering are suggested. © 2023 Wiley-VCH GmbH.
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