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Sea urchin-shaped gold nanoparticle doped flexible photoelectric substrate and preparation method thereof

A gold nanoparticle, optoelectronic substrate technology, applied in nanotechnology, photovoltaic power generation, nanotechnology and other directions, to achieve the effect of enhanced spectral response, large application potential, and flexible parameters

Active Publication Date: 2021-08-10
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, although noble metal nanoparticles have been widely used in various fields, there are few reports on the application of noble metal nanoparticles with complex structures such as simple polyhedrons or spheres, such as sea urchins.

Method used

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  • Sea urchin-shaped gold nanoparticle doped flexible photoelectric substrate and preparation method thereof
  • Sea urchin-shaped gold nanoparticle doped flexible photoelectric substrate and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0030] Embodiment 1 (as blank control group)

[0031] Clean the substrate composed of ordinary glass with a smooth surface, and dry it after cleaning; prepare a flexible substrate without sea urchin-shaped gold nanoparticles doped on the transparent and cleaned substrate, and the preparation method of the flexible substrate without sea urchin-shaped gold nanoparticles doped includes: 1) Roll-coat the commercially available silver nanowire suspension on the substrate, and prepare transparent silver nanowire electrodes after air-drying and annealing; 2) Cover the flexible substrate precursor solution on the silver nanowire electrodes, and use ultraviolet light to cure After peeling off, a layer of PEDOT:PSS was spin-coated on the surface of the silver nanowire electrode to obtain a blank flexible substrate.

Embodiment 2

[0033] The substrate composed of ordinary glass with a smooth surface is cleaned, and dried after cleaning; the sea urchin-shaped gold nanoparticle-doped flexible substrate is prepared on the transparent and cleaned substrate, and the preparation method of the sea-urchin-shaped gold nanoparticle-doped flexible substrate includes: 1) The commercially available silver nanowire suspension is rolled on the substrate, and the transparent silver nanowire electrode is prepared after air-drying and annealing; 2) sea urchin-like gold nanoparticles with a diameter of 170nm are doped into the flexible substrate precursor solution at a mass ratio of 0.1% Middle; 3) The flexible substrate precursor solution is covered on the silver nanowire electrode, cured by ultraviolet light and peeled off, and a layer of PEDOT:PSS is spin-coated on the surface of the silver nanowire electrode to obtain a sea urchin-shaped gold nanoparticle-doped flexible substrate. Finished substrate.

Embodiment 3

[0035]The substrate composed of ordinary glass with a smooth surface is cleaned, and dried after cleaning; the sea urchin-shaped gold nanoparticle-doped flexible substrate is prepared on the transparent and cleaned substrate, and the preparation method of the sea-urchin-shaped gold nanoparticle-doped flexible substrate includes: 1) The commercially available silver nanowire suspension is rolled on the substrate, and the transparent silver nanowire electrode is prepared after air-drying and annealing; 2) sea urchin-like gold nanoparticles with a diameter of 170nm are doped into the flexible substrate precursor solution at a mass ratio of 0.5% Middle; 3) The flexible substrate precursor solution is covered on the silver nanowire electrode, cured by ultraviolet light and peeled off, and a layer of PEDOT:PSS is spin-coated on the surface of the silver nanowire electrode to obtain a sea urchin-shaped gold nanoparticle-doped flexible substrate. Finished substrate.

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Abstract

The invention discloses a preparation method of a sea urchin-shaped gold nanoparticle doped flexible photoelectric substrate, and belongs to the field of photoelectric device preparation. According to the doped flexible substrate provided by the invention, an ultraviolet curing material is used as a substrate, urchin-shaped gold nanoparticles with different surface appearances and sizes are used as dopants, and the substrate is covered with a flexible transparent electrode. The sea urchin-shaped gold nanoparticles are prepared by using chloroauric acid as a soluble gold source and utilizing different reducing agents and reaction conditions through a solution method. Compared with the prior art, the preparation method has the advantages that a transparent silver nanowire electrode is prepared by adopting a Meyer rod roll coating method, the sea urchin-shaped gold nanoparticles are dispersed in the substrate precursor solution, the substrate precursor solution is cured by using an ultraviolet curing technology, and the silver nanowire is transferred to the substrate, so that the transparent silver nanowire electrode for preparation of photoelectric devices and the like is obtained. By changing the surface appearance and size of the urchin-shaped gold nanoparticles in the substrate precursor solution, the light field enhancement effect and enhancement spectrum of the flexible substrate can be adjusted.

Description

technical field [0001] The invention belongs to the field of photoelectric device preparation, and relates to a preparation method of a flexible photoelectric substrate doped with sea urchin-shaped gold nanoparticles. Background technique [0002] In electromagnetic response devices, the degree of interaction between electromagnetic waves and matter fundamentally determines the overall efficiency of photoelectric conversion devices and the signal strength and detection accuracy of detection devices. How to use physical methods to construct micro-nano structures that improve the interaction effect between light and matter, so as to effectively improve the efficiency of photoelectric conversion devices and the performance of detection devices is particularly important. Sea urchin-shaped gold nanoparticles are considered to be a new generation of high-performance materials suitable for improving the efficiency of photoelectric conversion devices and the response of detectors du...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/42H01L51/00H01L51/48B82Y40/00B82Y30/00B82Y15/00H10K99/00
CPCB82Y15/00B82Y40/00B82Y30/00H10K71/80H10K30/451H10K77/111Y02E10/549
Inventor 于军胜宋志昊范谱李璐
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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