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Flexible solar blind ultraviolet detector and preparation method thereof

A UV detector, flexible technology, used in semiconductor devices, climate sustainability, final product manufacturing, etc., to achieve the effect of high responsivity, simple preparation process, flexibility and large-area production

Active Publication Date: 2018-09-14
太谱(苏州)纺织科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

ZnS quantum dots have a higher absorption coefficient (CN107267142A) in the sun-blind ultraviolet region, but there is no report of solar-blind ultraviolet photodetectors prepared based on ZnS quantum dots

Method used

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  • Flexible solar blind ultraviolet detector and preparation method thereof
  • Flexible solar blind ultraviolet detector and preparation method thereof
  • Flexible solar blind ultraviolet detector and preparation method thereof

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Embodiment Construction

[0019] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0020] Unless otherwise specifically and clearly described in the context, the elements and components in the present invention may exist in a single form or a plurality of forms, which is not limited by the present invention. Although the steps in the present invention are arranged with numbers, they are not used to limit the sequence of the steps. Unless the sequence of the steps is explicitly stated or the execution of a certain step requires other steps as the basis, the relative sequence of the steps can be adjusted. It will be understood that the term "and / or" as used herein refers t...

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Abstract

The invention provides a flexible solar blind ultraviolet detector. The flexible solar blind ultraviolet detector is characterized by comprising a transparent substrate, a graphene mesh layer and a ZnS quantum dot layer that are arranged in order from bottom to top. The graphene mesh layer is formed by graphene meshes after graphene etching. The flexible solar blind ultraviolet detector has the beneficial effects: the preparation process is simple; flexibility is high; and large-area application is realized. The prepared flexible solar blind ultraviolet detector has high response to the ultraviolet light in the solar blind zone and the low response to light beyond the solar blind zone, so that the influence of background interference is reduced. In addition, the invention also provides a preparation method of a flexible solar blind ultraviolet detector.

Description

technical field [0001] The invention belongs to the technical field of optoelectronic devices, and in particular relates to a flexible solar-blind ultraviolet detector and a preparation method. Background technique [0002] Part of the ultraviolet light in the solar radiation is strongly absorbed by the ozone layer in the process of passing through the atmosphere, so that there is almost no ultraviolet light with a wavelength shorter than 300 nm in the near-surface space. This band is called the "solar blind ultraviolet region". Ultraviolet detectors for solar blind areas are not affected by solar radiation, so the background noise is very small. Therefore, solar-blind ultraviolet detection technology is a detection technology with great application value in both civilian and military applications, especially in flame and arc detection, environmental monitoring, biochemical gene detection, space communication, and aircraft guidance. With the development of new semiconductor...

Claims

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Application Information

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IPC IPC(8): H01L31/02H01L31/0392H01L31/09H01L31/18
CPCH01L31/02002H01L31/03925H01L31/09H01L31/1836Y02E10/50Y02P70/50
Inventor 匡文剑刘向咸冯林徐林华刘玉柱赖敏
Owner 太谱(苏州)纺织科技有限公司
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