研究生: |
馬士元 Ma, Shih-Yuan |
---|---|
論文名稱: |
新型可溶於水之銅奈米發光團簇與金奈米發光團簇之合成、應用與性質探討 Water-soluble fluorescent copper and gold nanoparticles: Synthesis, Characterization and Application |
指導教授: |
葉怡均
Yeh, Yi-Chun |
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: | 76 |
中文關鍵詞: | 改良式Brust-Schiffrin單相合成方法 、銅奈米團簇 、金奈米團簇 、二價錳離子 、pH值 |
英文關鍵詞: | Modified Brust-Schiffrin method, copper nanoparticles, gold nanoparticles, manganese ion, pH value |
論文種類: | 學術論文 |
相關次數: | 點閱:126 下載:9 |
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本研究利用改良式的Brust-Schiffrin單相合成方法,以組胺酸及3-巰基丙酸做為保護試劑及還原試劑,製作出對二價錳離子具有良好線性關係良好及偵測範圍廣的銅奈米團簇感測器。並以相同之金屬奈米團簇合成方法,合成出以組胺酸及6-巰基己酸為保護試劑的金奈米團簇,因為其保護試劑的改變,使金奈米團簇對水溶液酸鹼值具有靈敏性,成為具有良好線性關係的水溶液酸鹼值檢測器。本研究使用紫外/可見光光譜儀、螢光光譜儀、高解析穿透式電子顯微鏡、高解析電子能譜儀、時差式螢光光譜儀及動態式熱中分析儀對其作性質鑑定。實驗結果除了證明成功制備出銅奈米團簇及金奈米團簇外,亦證明兩種金屬團簇對二價錳離子與水溶液酸鹼值有良好的線性關係,並於室溫下十分穩定。希望此檢測機制可以同樣應用於其他簡單的有機物、重金屬或是毒化物。
This study reports a modified Brust-Schiffrin method for the synthesis of the fluorescent copper nanoparticles stabilized by histidine and 3-mercaptopropionic acid. The fluorescence of Cu nanoparticles was shown to decrease with an increase in concentration of manganese ion with a high correlation coefficient. Then we use the same method for the synthesis of the gold nanoparticles stabilize by histidine and 6-mercaptohexanoic acid. The resulting gold nanoparticles were applied for the detection of pH value in aqueous solution with a high correlation coefficient. UV/Visible spectroscopy, fluorescence spectrophotometer, high-resolution transmission electron microscopy, high-resolution X-ray photoelectron spectrometer, time-resolved photoelectron spectroscopy and dynamic thermal gravity analyzer were used to investigate the physical and chemical properties. The results demonstrated that we did make the copper and gold nanoparticles successfully. In addition, two kinds of nanoparticles can be applied for the detection of manganese ion concentration and pH value in aqueous solution, respectively. Therefore, this work can be applied for the of environmental samples as new analytical probes.
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