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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202005557
|2 doi
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|a pubmed24n1062.xml
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|a (DE-627)NLM318656191
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|a (NLM)33300215
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Wang, Jian
|e verfasserin
|4 aut
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|a Self-Driven Perovskite Narrowband Photodetectors with Tunable Spectral Responses
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 22.02.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2020 Wiley-VCH GmbH.
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|a Narrowband photodetectors with tunable spectral responses are highly desirable for applications in image sensing, machine vision, and optical communication. Herein, a filterless and self-driven perovskite narrowband photodetector (PNPD) based on the defect-assisted charge collection narrowing (CCN) mechanism is reported, which is enabled by a high-quality thick perovskite film. By adjusting the halide component of the perovskite layer, the bandgap is successfully modulated and the corresponding narrowband photodetectors show a wide spectral response range from the red to the near-infrared (NIR), all with full-widths at half maximum (FWHMs) below 30 nm. Specifically, the methylammonium lead iodide (MAPbI3 ) narrowband photodetector exhibits a characteristic detection peak at 800 nm with a very low noise current of ≈0.02 pA Hz-1/2 , a high specific detectivity up to 1.27 × 1012 Jones, and a fast response speed with rise/fall time of 12.7/6.9 µs. Impressively, these values are among the highest of their kind reported previously, and allow demonstration of narrowband imaging. The excellent performance of self-driven PNPDs lights up their prospect in high-efficiency optoelectronic devices without external power sources
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|a Journal Article
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|a halide perovskites
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|a narrowband photodetectors
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|a self-driven photodetectors
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|a tunable spectral response
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1 |
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|a Xiao, Shuang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qian, Wei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Kai
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yu, Jun
|e verfasserin
|4 aut
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1 |
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|a Xu, Xiuwen
|e verfasserin
|4 aut
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1 |
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|a Wang, Gaopeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zheng, Shizhao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Shihe
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 33(2021), 3 vom: 22. Jan., Seite e2005557
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:33
|g year:2021
|g number:3
|g day:22
|g month:01
|g pages:e2005557
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|u http://dx.doi.org/10.1002/adma.202005557
|3 Volltext
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