Journal
NATURE REVIEWS MATERIALS
Volume 2, Issue 7, Pages -Publisher
NATURE PORTFOLIO
DOI: 10.1038/natrevmats.2017.42
Keywords
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Funding
- Office of Naval Research (ONR) [N00014-15-1-2713]
- Air Force Office of Scientific Research (AFOSR) [A9550-16-1-0299]
- National Science Foundation [OIA-1538893, ECCS-1252623, DMR-1505535]
- National Natural Science Foundation of China [51673218]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [1801741] Funding Source: National Science Foundation
- Div Of Electrical, Commun & Cyber Sys
- Directorate For Engineering [1747660] Funding Source: National Science Foundation
- Office of Integrative Activities
- Office Of The Director [1538893] Funding Source: National Science Foundation
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New photovoltaic materials have been searched for in the past decades for clean and renewable solar energy conversion with an objective of reducing the levelized cost of electricity (that is, the unit price of electricity over the course of the device lifetime). An emerging family of semiconductor materials - organic-inorganic halide perovskites (OIHPs) - are the focus of the photovoltaic research community owing to their use of low cost, nature-abundant raw materials, low-temperature and scalable solution fabrication processes, and, in particular, the very high power conversion efficiencies that have been achieved within the short time of their development. In this Review, we summarize and critically assess the most recent advances in understanding the physical properties of both 3D and low-dimensional OIHPs that favour a small open-circuit voltage deficit and high power conversion efficiency. Several prominent topics in this field on the unique properties of OIHPs are surveyed, including defect physics, ferroelectricity, exciton dissociation processes, carrier recombination lifetime and photon recycling. The impact of ion migration on solar cell efficiency and stability are also critically analysed. Finally, we discuss the remaining challenges in the commercialization of OIHP photovoltaics.
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