Journal
MATERIALS TODAY NANO
Volume 14, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.mtnano.2021.100117
Keywords
Two-dimensional perovskite; Orientation; Phase distribution; Quantum well width distribution; Photovoltaics
Funding
- National Natural Science Foundation of China [51961145301, 51620105006, 61721005]
- National Key Research and Development Program of China [2019YFA0705900]
- Guangdong Major Project of Basic and Applied Basic Research [2019B030302007]
- Air Force Office of Scientific Research [FA9550-18-1-0046]
- Lee Shau Kee Chair Professorship
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This review discusses the key issues affecting the performance of 2D perovskites, highlighting the challenges and opportunities for 2D perovskite solar cells.
Two-dimensional (2D) perovskites are a new class of promising materials that can complement 3D perovskites for optoelectronic applications owing to their enhanced stability and diverse compositions and properties achieved through proper design of organic spacer cations. However, poor charge transport of 2D perovskites tends to hamper their performance due to the insulating organic spacer cations. This review discusses the key issues which significantly affect the performance of 2D perovskites such as orientation, phase distribution in vertical direction, quantum well distribution, organic spacer cations and device engineering. At the end, the challenges and opportunities for 2D perovskite solar cells are also highlighted. (C) 2021 Elsevier Ltd. All rights reserved.
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