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Electric storage device based on small organic molecule dye and preparation method of electric storage device

A small molecule, electrical storage technology, applied in the fields of electrical solid device, semiconductor/solid state device manufacturing, electrical components, etc., can solve the problems of complex preparation process, poor environmental and high temperature stability, etc., and achieve simple preparation method, good environment and high temperature. Stable, easy-to-operate effects

Active Publication Date: 2020-08-14
SUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the problems of complicated preparation process and poor environment and high temperature stability of most electric storage materials at present, the invention discloses an electric storage device and a preparation method thereof of an organic small molecular dye, which does not require any reaction preparation, and the device environment and high temperature are stable Good performance, which is of great significance to the practical application of organic electrical storage technology

Method used

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  • Electric storage device based on small organic molecule dye and preparation method of electric storage device
  • Electric storage device based on small organic molecule dye and preparation method of electric storage device
  • Electric storage device based on small organic molecule dye and preparation method of electric storage device

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Embodiment 1

[0032] electrical storage devices such as figure 1 As shown, the device is basically divided into three layers, which are composed of an ITO glass substrate layer, an organic thin film layer and an aluminum electrode layer from bottom to top. The specific steps of the preparation method are as follows:

[0033] 1. In an ultrasonic cleaner, clean the ITO glass substrate with deionized water, acetone, and absolute ethanol in sequence;

[0034] 2. Dissolve 8 mg of rhodamine B in 1 mL of absolute ethanol to prepare rhodamine B absolute ethanol solution;

[0035] 3. Spin-coat the rhodamine B absolute ethanol solution onto the ITO glass substrate by spin-coating method in the glove box to form an organic thin film layer with a thickness of 47 nm, and then dry it in the glove box for 8 h; the spin-coating conditions are as follows : Low speed (500 r / min) for 5 s, then high speed (2000 r / min) for 20 s;

[0036] 4. Evaporate the aluminum electrode on the organic film layer until the ...

Embodiment 2

[0042] A method for preparing an electric storage device, the specific steps are as follows:

[0043] 1. In an ultrasonic cleaner, clean the ITO glass substrate with deionized water, acetone, and absolute ethanol in sequence;

[0044] 2. Add 4 mg of rhodamine 123 to 1 mL of absolute ethanol to prepare a solution, and then spin-coat it on an ITO glass substrate by spin coating in a glove box to form an organic film layer with a thickness of 41 nm, and then dry it in a glove box for 8 h; spin coating conditions are as follows: low speed (500 r / min) for 5 s, then high speed (2000 r / min) for 20 s;

[0045] 3. Evaporate the aluminum electrode on the organic film layer until the thickness of the aluminum electrode reaches 150 nm, and obtain the corresponding organic electrical storage device A; the evaporation conditions are as follows: at 5×10 -4 Under Pa vacuum conditions, the evaporation rate is 2 Å / s; finally, an organic device based on organic small molecule materials is obtai...

Embodiment 3

[0047] A method for preparing an electric storage device, the specific steps are as follows:

[0048] 1. In an ultrasonic cleaner, clean the ITO glass substrate with deionized water, acetone, and absolute ethanol in sequence;

[0049]2. Dissolve 4 mg of rhodamine 6G in 1 mL of absolute ethanol to prepare rhodamine 6G absolute ethanol solution;

[0050] 3. Spin-coat rhodamine 6G absolute ethanol solution on the ITO glass substrate by spin-coating method in the glove box to form an organic film layer with a thickness of 26 nm, and then dry it in the glove box for 8 h; the spin-coating conditions are as follows : Low speed (500 r / min) for 5 s, then high speed (2000 r / min) for 20 s;

[0051] 4. Evaporate the aluminum electrode on the organic film layer until the thickness of the aluminum electrode reaches 150 nm, and obtain the corresponding organic electrical storage device A; the evaporation conditions are as follows: at 5×10 -4 Under the Pa vacuum condition, the evaporation r...

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Abstract

The invention discloses an electric storage device based on a small organic molecule dye and a preparation method of the electric storage device. The preparation method comprises the following steps:dissolving rhodamine B or rhodamine 6G in absolute ethyl alcohol, and coating a substrate with the rhodamine B or rhodamine 6G solution completely dissolved in absolute ethyl alcohol to prepare an organic film layer; and then preparing an electrode on the organic film layer to obtain the electric storage device based on the small organic molecule dye. The organic small molecule rhodamine B or rhodamine 6G is dissolved in absolute ethyl alcohol to prepare the organic electric storage device of a sandwich structure, the organic electric storage behavior is successfully achieved, no reaction is needed before preparation, the preparation process is simple, only spin coating is needed, the device environment is sound, and high-temperature stability is high.

Description

technical field [0001] The invention belongs to the technical field of organic semiconductor materials, and in particular relates to an electric storage device of small organic molecules and a preparation method thereof. Background technique [0002] With the advent of the big data era and the information age, the demand for high-density storage technology has also increased. Compared with traditional storage technologies, RRAM has become a strong competitor for next-generation high-density storage technologies due to its wide range of materials, ease of processing, and low cost. The organic electrical memory prepared by the selected organic small molecules has ternary performance, which realizes power-level growth, which is of great significance for the improvement of information storage capacity. There are various materials for preparing memory, including polymer molecules, small organic molecules, perovskites, etc., but most of the materials need to be obtained through c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/05H01L51/30H01L51/40
CPCH10K71/12H10K71/60H10K85/6574H10K10/50
Inventor 路建美贺竞辉
Owner SUZHOU UNIV
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