研究生: |
邱瑋懿 Chiu, Wei-I |
---|---|
論文名稱: |
以化學表面修飾法增強局部表面電漿共振感測器對氣體之反應 Surface Modification on Nanoparticles for Enhancing Localized Surface Plasmon Resonance Sensors |
指導教授: |
呂家榮
Lu, Chia-Jung |
學位類別: |
碩士 Master |
系所名稱: |
化學系 Department of Chemistry |
論文出版年: | 2015 |
畢業學年度: | 103 |
語文別: | 中文 |
論文頁數: | 110 |
中文關鍵詞: | 表面電漿共振 、離子溶液 、奈米碳管 、奈米金粒子 、濕度感測器 、揮發性有機氣體 |
英文關鍵詞: | Localized surface plasmon resonance, Volatile organic compounds, Ionic solution, Carbon nanotube, Nano Au, Humidity Sensor |
論文種類: | 學術論文 |
相關次數: | 點閱:159 下載:16 |
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本研究主要針對在奈米金薄膜外修飾其他物質,利用局部表面電漿共振(localized surface plasmon resonance : LSPR)原理來觀察其對感測器之改善,實驗分成三個部分,第一部分,以奈米碳管與奈米金之間形成多層結構,隨著層數提高,感測器所需要之玻璃片數也大幅減少,且提高了對氣體感測的靈敏度,增加了在LSPR感測器構型上更豐富的多變性。第二部分,以離子溶液塗佈於奈米金薄膜外,利用離子溶液本身良好的穩定性,以及對有機氣體的吸附能力,提高了對非極性氣體分子的感測能力,也提高了對氣體的感測訊號值。第三部分,以吸水性高分子與不同鹽類混和,製作濕度感測器,隨著鹽類本身具有不同的吸水性質,提高了感測器在不同濕度的靈敏度,最後將多種鹽類混和,達到製成感測範圍較廣的濕度感測器。
In this research, we developed three kind of LSPR(Localized surface plasmon resonance) sensor by modify nano Au or coating others compounds. First of all, we use MPTMS modify Carbon nanotube that it can adsorb on nano Au. Repeat absorb carbon nanotube and nano Au Staggered. We got mutilayer gold/carbon nanotube LSPR sensor. It not only improve the sensitivity of VOCs also reduce the pieces of sensor.Second, we use ionic solution coating on nano particles.Ionic solution has low volatility, low inflammability,and stable at many physical properties. We take adventage of ionic solution can catch more VOCs that sensor can responses bigger signal. Finally, we use absorbent polymer mix salts to developed humidity sensor. Different kinds of salts has varied absorbing properties. We mix several kinds of salts in polymer make a humidity sensor wide sensing range.
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