(I) 在石英晶體微天秤上探索銀離子液體以化學反應基礎的氣體偵測應用 (II) 以石英晶體微天秤與離子液體進行 Diels-Alder Reaction的偵測

(I) Exploring Silver Ionic Liquids for Reaction-Based Gas Sensing on Quartz Crystal Microbalance (II) Quartz Crystal Microbalance Detection of Gaseous Diels-Alder Reactions with a Maleimide-Conjugated Ionic Liquid on Chips

徐子軒(Tzu-Hsuan Hsu)

指導教授 ： 朱延和

國立中正大學/理學院/化學暨生物化學系/碩士(2016年)

摘要

本論文包含兩個研究題目，皆是以化學合成出具有特定官能基的功能性離子液體，並以化學反應為基礎在壓電石英微天秤 (quartz crystal microbalance, QCM) 上捕捉具揮發性之有機化合物 (volatile organic compounds, VOCs)。

第一部分的研究中，我們開發銀離子液體於QCM上的應用。我們合成出具有胺基 (amine) 與胺氧基 (aminooxy) 的銀離子液體，並能成功利用亞胺化反應 (imination) 於QCM上偵測醛、酮類氣體分子。

第二部分的研究中，我們合成出具有共軛雙烯 (conjugated diene) 與親雙烯 (dienophile) 結構的離子液體，並能在QCM上觀察到與烯類氣體分子進行氣相Diels-Alder環加成反應。此應用能發展烯類氣體分子於壓電石英微天秤的檢測。

關鍵字

銀離子液體 ； 壓電石英微天秤 ； 離子液體

並列摘要

This thesis is composed of two research projects; both projects were involved the syntheses of functional ionic liquids and their applications for use as chemoselective gas sensors. Based on specific chemical reactions, the functional ionic liquids developed in this study could readily be implemented for sensing volatile organic compounds (VOCs) on a quartz crystal microbalance (QCM).

For the first research project, new silver ionic liquids were designed, synthesized and used for QCM measurements of VOCs. With these, amine and aminooxy-functionalized silver ionic liquids were developed. Accordingly, aldehyde and ketone gases of low ppb were successfully detected on QCM.

In the second research project, cyclopantadiene and maleimide-conjugated ionic liquids were synthesized. The Diels-Alder cycloadditions of the functionalized ionic liquids with alkenes gases were, for the first time, detected and quantitatively measured by QCM on-line and in real time. Albeit it remains a long way before a gas sensing system could function as good as a dog’s nose, we envision developing a collection of ‘sensing ionic liquid-on-QCM’ that will pave the way for complex VOC detection in the fields of environmental monitoring and disease diagnosis.

並列關鍵字

silver ionic liquids ； quartz crystal microbalance ； ionic liquids

參考文獻

(I)Exploring Silver Ionic Liquids for Reaction-Based Gas Sensing on Quartz Crystal Microbalance

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