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用于中红外分子传感器的石墨烯混合元表面

Tom Yager1, George Chikvaidze1, Qin Wang2

  • 1Institute of Solid State Physics, University of Latvia, LV-1063 Riga, Latvia.

Nanomaterials (Basel, Switzerland)
|July 29, 2023
PubMed
概括

我们通过将石墨烯与金属元表面集成,开发了先进的光电子分子传感器. 这允许精确的中红外探测,并可用于环境监测和诊断.

关键词:
气体传感器是一个气体传感器.石墨烯是一种石墨烯.metasurface 地表的表面是什么中等红外线中等红外线.摄影探测器的光检测器

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IR Absorption Frequency: Hybridization01:21

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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