Journal
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
Volume 6, Issue 16, Pages 3218-3227Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpclett.5b01419
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Funding
- National Science Foundation [DMR-1505535, ECCS-1252623]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [1505535] Funding Source: National Science Foundation
- Div Of Electrical, Commun & Cyber Sys
- Directorate For Engineering [1252623] Funding Source: National Science Foundation
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Hybrid perovskite single crystals have been recently revealed to have superior optoelectronic properties to perovskite polycrystalline thin films, especially the extraordinarily long carrier diffusion length due to the eliminated grain boundaries. One question that naturally arises is whether the single crystal hybrid perovskites can be a next wave of photoactive materials for even higher-efficiency devices. This Perspective presents an overview of the historic evolution in understanding of carrier diffusion length in CH3NH3PbI3, the initial investigations of the synthesis of single crystalline hybrid perovskites, and the characterization of their optoelectronic properties. Our analysis indicates that single crystalline perovskite materials have potential to further boost photovoltaic device power conversion efficiency to 25%. The potential opportunities for the fundamental study of the perovskite intrinsic properties, particularly the carrier mobility and carrier recombination lifetime, and other fields such as radiation detectors are also briefed.
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