基于1D光子晶体的近红外多吸收波段的特征,该晶体由两个复合元材料组成

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Simulation, Fabrication and Characterization of THz Metamaterial Absorbers
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Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Published on: December 27, 2012

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Mai Medhat1, Ahmed Mehaney1, M Al-Dossari2

  • 1TH-PPM Group, Physics Department, Faculty of Science, Beni-Suef University, Beni-Suef, 62512, Egypt.

Scientific reports
|January 11, 2024
PubMed
概括

这项研究探讨了一种新的一维光子晶体 (1DPC),使用复合元材料进行近红外吸收. 该设计显示了有希望的光谱吸收波段,用于太阳能和智能窗户中的应用.

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IR Absorption Frequency: Hybridization

Hydrocarbons such as alkanes, alkenes, and alkynes show characteristic C–H stretching absorption bands. These IR stretching frequencies depend on the hybridization of the involved carbon atom and can be explained in terms of the s character of each hybridized atomic orbital.
Among the sp, sp2, and sp3 hybridized orbitals, sp orbitals have the maximum s character (50%). Consequently, the electrons are held more closely to the nucleus, resulting in stronger and shorter C–H bonds that...
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