Photoisomeric compounds and device comprising the same

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United States of America Patent

PATENT NO 11545640
APP PUB NO 20210234109A1
SERIAL NO

17160174

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Abstract

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Disclosed are a series of photoisomeric compounds, preparation method therefor and device comprising the compounds, wherein a photoisomeric compound-graphene molecular junction device is formed by linking the photoisomeric compound to a gap of two-dimensional monolayer graphene having a nano-gap array via an amide covalent bond. When a single photoisomeric compound is bridged to the gap of the two-dimensional monolayer graphene having a nano-gap array, the devices have a reversible light-controlled switching function and a reversible electrically-controlled switching function. A molecular switch device prepared by the method can achieve a high reversibility and a good reproducibility. The number of light-controlled switching cycles can exceed 104, and the number of electrically-controlled switching cycles can reach about 105 or greater. Moreover, the above-mentioned reversible molecular switch device remains stable within a period of more than one year. In addition, flexible non-losable organic memory transistor devices and light-responsive organic transistor devices can be constructed using the above-mentioned series of photoisomeric compounds.

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Patent Owner(s)

  • BEIJING PEKING UNIVERSITY WBL CORPORATION LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Hongliang Beijing, CN 29 265
Guo, Xuefeng Beijing, CN 12 65
Jia, Chuancheng Beijing, CN 2 0
Li, Mingliang Beijing, CN 32 144
Qu, Dahui Beijing, CN 2 0
Xin, Na Beijing, CN 3 1

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