Preparation method and application of flexible electric storage device
A technology for storage devices and flexible electronics, applied in the field of information storage, can solve the problems of uneven arrangement of thin film active layers, discontinuous crystalline distribution, poor performance repeatability, etc., to ensure large-area uniformity and continuity, and enhance interaction. force, the effect of avoiding cracks
Pending Publication Date: 2021-01-08
SUZHOU UNIV OF SCI & TECH
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Problems solved by technology
However, despite these unique advantages, organic memory materials and devices often face the problem of poor performance repeatability, which is related to the insufficient stability of the material itself, as well as the inhomogeneity of the alignment in the thin film active layer, the presence of local defects and Discontinuous crystalline distribution is closely related to
Method used
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Embodiment
[0033] Embodiment: a kind of preparation method of flexible electric memory device, comprises the following steps:
[0034] Step 1, with argon as a protective gas, 3,5-dimethoxyphenylboronic acid (455.0 mg, 2.5 mmol), 2,5-dibromo-p-phenylenediamine (263.9 mg, 1.0 mmol), tetrakis (tri Phenylphosphine) palladium (23.12 mg, 0.02 mmol) and potassium carbonate (550.0 mg) were added to a mixed solvent of toluene (10 mL), deionized water (5 mL) and absolute ethanol (2.5 mL). Then stir evenly at 100ºC for 24 h. Then the reaction mixture was cooled to room temperature, 30 mL of saturated ammonium chloride solution was added, then extracted three times with dichloromethane (3×20 mL), and dried over anhydrous sodium sulfate. After removing the solvent, the residue was purified by silica gel column chromatography to obtain a precursor of tetramethoxytriphenylenediamine, which was then dried in a vacuum oven.
[0035] Step 2. Add the dried tetramethoxytriphenylenediamine precursor (57.0 ...
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The invention discloses a preparation method of a flexible electric storage device, which comprises the following steps: adding 3, 5-dimethoxyphenylboronic acid, 2, 5-dibromo-p-phenylenediamine, tetrakis(triphenylphosphine)palladium and potassium carbonate into a mixed solvent, reacting to obtain a tetramethoxytriphenylenediamine precursor, and drying to obtain a powdery solid; dissolving the powdery solid into a mixed solvent, dropwise adding a deionized water solution of sodium nitrite, then putting into a vacuum oven for drying, and reacting to obtain a solid sawtooth-shaped fully-conjugated azapentacene material; and depositing the solid sawtooth-shaped fully-conjugated azapentacene material on a flexible conductive substrate to obtain a uniform organic functional film material layer which is located on the surface of a conductive layer of the flexible conductive substrate. The conjugated rigidity and tension of molecules of the organic functional material are effectively reduced,so that the stability of the material is remarkably improved, intramolecular charge transfer is facilitated, and the storage effect based on electric signal response is induced.
Description
technical field [0001] The invention relates to the technical field of information storage, in particular to a preparation method and application of a flexible electric storage device. Background technique [0002] In recent years, flexible electronics has aroused great interest due to its unique advantages, and has gradually become one of the important development directions that trigger the transformation of the traditional silicon semiconductor electronics industry. Flexible devices, with their advantages of light weight, softness, foldability, and shape diversity, have brought broad development prospects for the next generation of wearable artificial intelligence electronics, such as biosensors, electronic skin, and robotics. Among them, flexible electrical storage devices that use electrical bistability to encode and store binary digital data are considered to be one of the strong competitors in the next generation of intelligent information storage technology. Flexibl...
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Login to View More IPC IPC(8): H01L51/05H01L51/40
CPCH10K71/16H10K10/50H10K77/111Y02E10/549
Inventor 李阳马春兰朱晓琳钱青云姚金雷胡俊蝶施智明
Owner SUZHOU UNIV OF SCI & TECH