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Single-layer three-bending hole nanofilm with strong absorbing circular dichroism and preparation method thereof

A technology of circular dichroism and nano-film, which is applied in the field of single-layer three-fold hole nano-film and its preparation, can solve the problems of complex structure, unfavorable preparation, increased heat loss, etc., and achieve increased heat loss, wide application range and fields , Enhance the effect of metal internal resistance

Active Publication Date: 2018-08-17
SHAANXI NORMAL UNIV
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Problems solved by technology

[0005] The purpose of the present invention is to achieve strong absorption circular dichroism by exciting resonant strong current and enhancing the internal resistance of the metal to increase heat loss, and to overcome the problem that the complex structure of three-layer and two-layer gold nano-films is not conducive to preparation

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  • Single-layer three-bending hole nanofilm with strong absorbing circular dichroism and preparation method thereof
  • Single-layer three-bending hole nanofilm with strong absorbing circular dichroism and preparation method thereof
  • Single-layer three-bending hole nanofilm with strong absorbing circular dichroism and preparation method thereof

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Embodiment Construction

[0039] The present invention will be described in further detail below in conjunction with specific examples, but the embodiments of the present invention are not limited thereto.

[0040] In order to solve the problems of weak circular dichroism signal, complex structure, and difficulty in preparation, this embodiment provides a single-layer tri-fold hole nano-film with strong absorption of circular dichroism. Internal resistance to reduce heat loss, achieve strong absorption circular dichroism, and overcome the problem that the complex structure of three-layer and two-layer gold nanofilms is not conducive to preparation.

[0041] refer to figure 1 and figure 2 , the strong absorption circular dichroism single-layer three-fold hole nano film of this embodiment is composed of a plurality of identical nano-units 1 combined up and down, left and right, and has a single-layer chiral structure. Wherein, the nano-unit is used to realize the strong absorption circular dichroism o...

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Abstract

The invention relates to a single-layer three-bending hole naofilm with strong absorbing circular dichroism and a preparation method thereof. The single-layer three-bending hole nanofilm is obtained through combining a plurality of same nanometer units in a vertical direction and a left-and-right direction. Furthermore the three-layer three-bending hole nanofilm has a single-layer chiral structure. The cross section of the nonometer unit is a square. The nanometer unit is provided with a three-bending hole which has a chiral characteristic. Furthermore the length direction of the three-bendinghole is parallel with the side of the square. The preparation method of the single-layer three-bending hole nanofilm comprises steps of baking after glue application, baking after image development and image fixation, performing vacuum coating, and performing air drying after soliquid generation. Compared with an existing preparation method for a three-layer or two-layer nanofilm, the preparationmethod realizes simpler preparation. Furthermore the single-layer three-bending hole nanofilm realizes strong absorbing circular dichroism. Furthermore signals are distributed in a visible light waveband, thereby facilitating signal detection.

Description

technical field [0001] The invention belongs to the field of electromagnetic wave polarization regulation and control, and in particular relates to a single-layer triple-fold hole nano film with strong absorption circular dichroism and a preparation method thereof. Background technique [0002] Chirality means that the structure is not completely superimposable with its mirror-image enantiomer. The chiral characteristics of chiral structures enable them to produce many novel effects in the optical response to polarized light of different polarization states, such as asymmetric transmission properties and circular dichroism. Absorption circular dichroism (Circular Dichroism. CD) refers to the characteristic that the structure has different absorption rates for left-handed and right-handed polarized light. [0003] The formula for absorption circular dichroism is: CD=A - -A + , where A represents the absorptivity of incident polarized light, subscript "-" denotes incident l...

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Application Information

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IPC IPC(8): G02B5/30C23C14/30C23C14/18C23C14/04
CPCC23C14/04C23C14/18C23C14/30G02B5/30
Inventor 张中月冯晓钰王菲赵文静
Owner SHAANXI NORMAL UNIV
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