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A Perovskite Photodetector Crossbar Array by Vapor Deposition for Dynamic Imaging
Jinan Univ, Peoples R China.
Jinan Univ, Peoples R China.
Guangzhou Res Inst Opt Mech & Elect Technol Co Lt, Peoples R China.
Jinan Univ, Peoples R China.
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2022 (English)In: Advanced Materials, ISSN 0935-9648, E-ISSN 1521-4095, Vol. 34, no 51, article id 2207106Article in journal (Refereed) Published
Abstract [en]

With the development of perovskite photodetectors, integrating photodetectors into array image sensors is the next target to pursue. The major obstacle to integrating perovskite photodiodes for dynamic imaging is the optoelectrical crosstalk among the pixels. Herein, a perovskite photodiode-blocking diode (PIN-BD) crossbar array with pixel-wise rectifying property by the vapor deposition method is presented. The PIN-BD shows a large rectification ratio of 3.3 x 10(2) under illumination, suppressing electrical crosstalk to as small as 8.0% in the imaging array. The fast response time of 72.8 ns allows real-time image acquisition by over 25 frames per second. The imaging sensor exhibits excellent imaging capability with a large linear dynamic range of 112 dB with 4096 gray levels and weak light sensitivity under 1.2 lux.

Place, publisher, year, edition, pages
WILEY-V C H VERLAG GMBH , 2022. Vol. 34, no 51, article id 2207106
Keywords [en]
crossbar arrays; dynamic imaging; perovskites; photodetectors; vapor deposition
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:liu:diva-190205DOI: 10.1002/adma.202207106ISI: 000880706600001PubMedID: 36193774OAI: oai:DiVA.org:liu-190205DiVA, id: diva2:1714436
Note

Funding Agencies|National Natural Science Foundation of China [62174072, 61934004]; Guangdong Basic and Applied Basic Research Foundation [2019B151502049, 2022A1515010276]

Available from: 2022-11-29 Created: 2022-11-29 Last updated: 2023-03-16Bibliographically approved

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CiteExportLink to record
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