Gas sensing by using volume fraction of adsorption in photonic crystals

被引：0
|
作者：
Hu Wang
Penghui Bai
Juan Xie
Lei Zhang
Kai Lei
Biao Liu
Chenjie Wang
机构：
[1] Southwest Petroleum University (SWPU),School of Materials Science and Engineering
来源：
Journal of Materials Science: Materials in Electronics | 2019年 / 30卷
关键词：
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学科分类号：
摘要：
Generally, photonic bandgap (PBG) would shift when photonic crystals (PCs) are exposed to different surrounding conditions. Thus, the shift of PBG could be used to study the adsorption behavior of gas on the surface of PCs. However, the amount of PBG shift only contains finite information about analyte which could cause the change of structural parameters of PCs. In this paper, we have deduced the volume fraction of adsorption vapor (Vvap) in silica PCs to quantitatively explain the effect of target gases on adsorption behavior according to Replacing model based on our previous research. In this work, the effect of volume fraction of void in silica PCs and types of target gases on gas adsorption behavior has been discussed by using Vvap.
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页码：19948 / 19955
页数：7
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