ETPTA逆光子晶体用于醇类的检测

IF 1.9 Q3 PHYSICS, CONDENSED MATTER
M. Ashurov, S. Kutrovskaya, A. Baranchikov, S. Klimonsky, A. Kavokin
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引用次数: 1

摘要

我们开发了一种比较简单和便宜的方法来测定水中醇的浓度。该方法是基于对乙氧基酸三甲基丙烷三丙烯酸酯(ETPTA)逆光子晶体(IPhCs)光学性质的研究。利用与第一光子停止带(PSB)相关的传输最小值的位置作为分析信号。PSB的位置取决于ETPTA光刻胶的膨胀程度和被测醇及其与水的混合物的折射率。信号随乙二醇浓度的增加呈线性增加,随甲醇和乙醇浓度的增加呈非线性单调增加。在乙二醇-水混合物的情况下,对醇的灵敏度达到约0.55 nm/v。%或560nm /RIU(折射率单位),足以用于生物/化学检测和环境监测的各种应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
ETPTA Inverse Photonic Crystals for the Detection of Alcohols
We developed a comparatively simple and inexpensive approach for the determination of the concentration of alcohols in water. The method is based on the study of the optical properties of ethoxylate trimethylolpropane triacrylate (ETPTA) inverse photonic crystals (IPhCs). The position of the transmission minimum associated with the first photonic stop band (PSB) is used as the analytical signal. The PSB position depends on the swelling degree of ETPTA photoresist and the refractive index of the tested alcohols and their mixtures with water. The signal increases linearly with increasing concentration of ethylene glycol and increases nonlinearly but monotonically with the concentration of methanol and ethanol in water. Sensitivity to alcohols, in the case of the ethylene glycol–water mixtures, reached about 0.55 nm/v.% or 560 nm/RIU (refractive index unit), which is sufficient for various applications in bio/chemical detection and environmental monitoring.
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来源期刊
Condensed Matter
Condensed Matter PHYSICS, CONDENSED MATTER-
CiteScore
2.90
自引率
11.80%
发文量
58
审稿时长
10 weeks
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