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Visible light broadband absorption structure and preparation method thereof

An absorption structure and wide-band technology, applied in the field of visible light absorption, can solve problems that have not been raised before, and achieve the effects of easy preparation, convenient and rapid mass production, and simple design

Inactive Publication Date: 2017-12-26
SUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The absorption structure and preparation method with simple structure and excellent effect have not yet been proposed

Method used

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  • Visible light broadband absorption structure and preparation method thereof
  • Visible light broadband absorption structure and preparation method thereof
  • Visible light broadband absorption structure and preparation method thereof

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Embodiment Construction

[0036] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described below. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0037] It should be noted that when an element is referred to as being “disposed on” another element, it may be directly on the other element or there may also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for purposes o...

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Abstract

The invention discloses a visible light broadband absorption structure and a preparation method thereof. The structure is characterized by comprising a metal substrate layer and a nano-structure, wherein the metal substrate layer includes a first surface and a second surface arranged opposite to the first surface; the nano-structure is arranged on the first surface of the metal substrate layer and in an arrayed mode, and nano array units are formed; the nano-structure is made of metal material. The nano array units of the visible light broadband absorption structure are arranged on the metal substrate layer, the structure is simple, and preparation is easy; according to another optimal scheme, the metal substrate layer and the nano-structure are of an integral structure, so that the average absorption efficiency of the wave band in 400-600 nm is larger than 92%, and the absorption efficiency of the wave band in 420 nm and in 560 nm is close to 100%.

Description

technical field [0001] The invention relates to the field of visible light absorption, in particular to a visible light broadband absorption structure and a preparation method. Background technique [0002] Broadband absorption is mainly used in the fields of stealth, thermal emission, light display, photovoltaics, solar cells, and ink-free printing. For example, in the field of printing, traditional printing technology uses inks of different colors to print images and colors, which has the problem of easy fading, and the inks contain heavy metals, benzene, ketones and other harmful substances to the human body. The existing ink-free printing technology has very little research on the realization of black color, and it can only be realized if high-efficiency absorption is achieved in the wide band of visible light (wavelength 380-760nm), and the absorption characteristics are not sensitive to the polarization state and angle of incidence of incident light. black. In the fi...

Claims

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Application Information

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IPC IPC(8): G02B5/00
Inventor 周云罗明辉申溯浦东林
Owner SUZHOU UNIV
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