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Get Free AccessFlexible and self-powered photodetectors (PDs) are highly desirable for applications in image sensing, smart building, and optical communications. In this paper, a self-powered and flexible PD based on the methylammonium lead iodide (CH3 NH3 PBI3 ) perovskite is demonstrated. Such a self-powered PD can operate even with irregular motion such as human finger tapping, which enables it to work without a bulky external power source. In addition, with high-quality CH3 NH3 PBI3 perovskite thin film fabricated with solvent engineering, the PD exhibits an impressive detectivity of 1.22 × 1013 Jones. In the self-powered voltage detection mode, it achieves a large responsivity of up to 79.4 V mW-1 cm-2 and a voltage response of up to ≈90%. Moreover, as the PD is made of flexible and transparent polymer films, it can operate under bending and functions at 360 ° of illumination. As a result, the self-powered, flexible, 360 ° omnidirectional perovskite PD, featuring high detectivity and responsivity along with real-world sensing capability, suggests a new direction for next-generation optical communications, sensing, and imaging applications.
Siu‐Fung Leung, Kang‐Ting Ho, Po‐Kai Kung, Vincent K. S. Hsiao, Husam N. Alshareef, Zhong Lin Wang, Jr‐Hau He (2018). A Self‐Powered and Flexible Organometallic Halide Perovskite Photodetector with Very High Detectivity. , 30(8), DOI: https://doi.org/10.1002/adma.201704611.
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Type
Article
Year
2018
Authors
7
Datasets
0
Total Files
0
Language
en
DOI
https://doi.org/10.1002/adma.201704611
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