| 研究生: |
羅靖堯 Lo, Chin-Yao |
|---|---|
| 論文名稱: |
利用超臨界流體製備氧化鋅奈米粒子
及其抗菌能力研究 Study on the preparation of zinc oxide nanoparticles by supercritical fluid and antibacterial ability |
| 指導教授: |
葉茂榮
Yeh, Mou-Yung |
| 學位類別: |
碩士 Master |
| 系所名稱: |
理學院 - 化學系 Department of Chemistry |
| 論文出版年: | 2003 |
| 畢業學年度: | 91 |
| 語文別: | 中文 |
| 論文頁數: | 61 |
| 中文關鍵詞: | 超臨界流體 、氧化鋅奈米粒子 、光觸媒 |
| 外文關鍵詞: | Zinc oxide nanoparticles, photocatalysis, Supercritical fluid |
| 相關次數: | 點閱:62 下載:1 |
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氧化鋅性質的應用的發展已有數十年的歷史,其本身具有光觸媒、染料、醫療添加劑、殺菌等性質,因此近年來科學家還是不斷的在研究開發氧化鋅的性質與應用領域。
超臨界流體號稱綠色化學技術,在操作的過程中不會對環境造成傷害,因此本研究將以超臨界流體技術製備氧化鋅奈米粒子,實驗過程分別在不同的反應壓力、溫度、濃度、時間下進行,預期利用不同的實驗變因來控制製備出的氧化鋅奈米粒子大小。
最後再進行利用超臨界流體製備的氧化鋅奈米粒子來抑制空氣中細菌生長實驗,並跟市售的氧化鋅粒子作比對,利用Optical density(OD)值來比較兩種不同氧化鋅產品抑制細菌生長的能力。
The zinc oxide have been developed for many years.It has characteristic of photocatalysis 、paint and antibacterical ability.Therefore,in recent years scientists have much time in researching properties and application of zinc oxide.
The supercritical fluids technology is referred to as a greenchemical technology.The process operation has not to damage the environmetal.
Therefore in this research use supercritical fluid technology to prepare zinc oxide nanoparticals.In this experiment will work in different reaction pressure、temperature、concentrationa and time to control the diameter of zinc oxide.
Finally we use zinc oxide preparation from supercritical fluid to inhibit the growth of bacterial in the air.And comparation with commercial zinc oxide.Using optical density(OD)to compara the antibacterial ability of zinc oxide came from supercritical fluid and commercial one
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