Composite material device

A technology of composite materials and devices, applied in metal material coating technology, thin material treatment, electrolytic coating, etc., can solve the problems of poor repeatability, low energy conversion efficiency, high production cost, etc., and achieve low cost, easy preparation, and environmental protection friendly effect
CN105442014AActive Publication Date: 2016-03-30NANJING UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NANJING UNIV
Publication Date
2016-03-30

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Abstract

The invention provides a composite material device. The device comprises a base body which is provided with a plurality of holes. A plurality of metal particles are attached to the inner walls of the holes. The particle diameters of the metal particles are 1-200 nanometers. The multiple metal particles have at least x different particle diameters d, and the x is greater than or equal to two. The composite material device has the high light absorption rate and the large light absorption bandwidth.
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Description

technical field

[0001] The invention belongs to the field of composite materials, and in particular relates to a composite material device. Background technique

[0002] Optical absorbers are widely used in light / thermal detection, solar energy conversion, infrared imaging and other fields. The light absorptivity and the range of the absorption spectrum of the light absorber are the key factors to determine its performance. An ideal light absorber should have high light absorption in a wide spectral range, that is, low light transmittance and low light reflectance in a wide spectral range.

[0003] Various light absorbers exist in the prior art, especially nanoplasmonic light absorbers. For example, optical absorbers with metallic metasurface structures, and optical absorbers with tapered structures, both of which broaden the bandwidth of the optical absorber through recombination of resonant modes. There is also a plasmonic light absorber with a crossed trapezoidal grati...

Claims

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