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系統識別號 U0002-0708201714561700
中文論文名稱 金奈米棒的熱穩定性探討
英文論文名稱 Thermal stability study of gold nanorods
校院名稱 淡江大學
系所名稱(中) 化學學系碩士班
系所名稱(英) Department of Chemistry
學年度 105
學期 2
出版年 106
研究生中文姓名 林聖祐
研究生英文姓名 Sheng-You Lin
學號 604160159
學位類別 碩士
語文別 中文
口試日期 2017-06-16
論文頁數 44頁
口試委員 指導教授-鄧金培
委員-鄧金培
委員-李之釗
委員-王伯昌
中文關鍵字 金奈米棒  熱穩定性 
英文關鍵字 AuNRs  thermal stability 
學科別分類 學科別自然科學化學
中文摘要 本論文主要探討金奈米棒的熱穩定性。金奈米棒會因為受熱而同時產生熔化與變形,金奈米棒的長寬比會影響其定域化表面電漿共振效應,所以在高溫下,金奈米棒的表面電漿共振吸收會發生改變。本論文採用單矽源、雙矽源在事先製備的金奈米棒表面包覆二氧化矽增強其熱穩定性;再透過水熱法進一步穩定外層二氧化矽結構,最後經由高溫爐進行高溫燒結,測試其熱穩定性,透過上述處理,可以很明顯地避免金奈米棒在高溫變形,使金奈米棒在熱穩定性被改善後,可以應用在輔助改善染料敏化太陽能電池光電轉換效率。
英文摘要 Thermal stability of gold nanorods (AuNRs) is mainly investigated in the thesis. Both the melting and deformation of AuNRs were observed at high temperatures. Localized surface plasmon resonance (LSPR) of AuNRs is determined by the aspect ratio of AuNRs. LSPR absorption will be changed at high temperatures. The surface of the prepared AuNRs is coated with silica by adding one or two silicon reagents. And the structure of outer silica was further stabilized by the hydrothermal method. Silica-coated AuNRs are calcined by high-temperature furnace to test their stability. The melting and deformation of AuNRs can be significantly prevented by the above treatments. Therefore, silica-coated AuNRs with the enhanced thermal stability could be usefully applied in improving photoelectric conversion efficiency of dye-sensitized solar cell.
論文目次 目錄

第一章、緒論 1
1.1奈米材料 1
1.2奈米材料性質 2
1.3定域化表面電漿共振 3
1.4表面增強拉曼散射 4
1.5奈米粒子熱穩定性 5
1.6研究動機與目的 6
第二章、實驗 7
2.1實驗藥品 7
2.2實驗儀器 8
2.3金奈米棒合成 9
2.4金奈米立方體合成 10
2.5單矽源包覆二氧化矽 11
2.6雙矽源包覆二氧化矽 11
2.7透過水熱法穩定二氧化矽 12
2.8金奈米棒熱穩定分析 12

第三章、結果與討論 13
3.1金奈米棒的合成與分析 13
3.2在500 ℃燒結AuNRs 14
3.3在450 ℃燒結AuNRs 16
3.4在375 ℃燒結AuNRs 18
3.5金奈米立方體 20
3.6在500 ℃燒結AuNCs 22
3.7包覆二氧化矽改善熱穩定性 23
3.8雙矽源包覆SiO2 (NaOH-APTES-TEOS) 27
3.9雙矽源包覆SiO2 (APTES-HCl-Na2SiO3) 28
3.10雙矽源包覆SiO2 (APTES-NaOH-TEOS) 29
3.11 APTES-NaOH-TEOS燒結測試 31
3.12 APTES-NaOH-TEOS水熱 32
3.13 APTES-NaOH-TEOS水熱後燒結測試 34
第四章、結論 38
第五章、參考資料 40


圖目錄
圖3.1 AuNRs的UV-Vis光譜圖 13
圖3.2 AuNRs的TEM影像圖 14
圖3.3 500 ℃燒結溫度程序與時間對照圖 15
圖3.4 在500 ℃燒結後,AuNRs的TEM影像 16
圖3.5 450 ℃燒結溫度程序與時間對照圖 17
圖3.6 在450 ℃燒結後,AuNRs的TEM影像 18
圖3.7 375 ℃燒結溫度程序與時間對照圖 19
圖3.8 在375 ℃燒結後,AuNRs的TEM圖 20
圖3.9 AuNCs的UV-Vis光譜圖 21
圖3.10 AuNCs的TEM圖 21
圖3.11 在500 ℃燒結後,AuNCs的TEM影像 22
圖3.12 在AuNRs中加入不同體積 (A) 2.5 (B) 3.5 (C) 4 (D) 5 μL TEOS的TEM圖 24
圖3.13 在AuNRs中加入不同體積 (A) 30 (B) 50 (C) 100 μL NaOH (0.1 M)後,再加入5 μL TEOS的TEM圖 26
圖3.14加入 (A) 2 μL APTES、3μL TEOS (B) 1 μL APTES、4μL TEOS (C) 2 μL APTES、4 μL TEOS的TEM圖 28
圖3.15 加入1.5 μL APTES,再加入 (A) 5 (B) 8 (C) 10 μL HCl (0.1 M)最後加入3 μL Na2SiO3 29
圖3.16 分別加入 (A) 15 μL APTES和45 μL TEOS (B) 30 μL APTES和30 μL TEOS (C) 30 μL APTES和15 μL TEOS的TEM圖 30
圖3.17 加入15 μL APTES和45 μL TEOS後,所得AuNCs@SiO2的TEM圖 31
圖3.18 AuNCs@SiO2在 (A) 375 (B) 450 (C) 500 ℃高溫燒結 32
圖3.19 AuNCs包覆SiO2與水熱後UV光譜圖 33
圖3.20 AuNCs@SiO2水熱後TEM圖 33
圖3.21 AuNRs包覆SiO2與水熱後UV光譜圖 34
圖3.22 AuNRs@SiO2水熱後TEM圖 34
圖3.23 AuNCs@SiO2在375 ℃燒結後的TEM圖 35
圖3.24 AuNCs@SiO2在450 ℃燒結後的TEM圖 35
圖3.25 AuNCs@SiO2在500 ℃燒結後的TEM圖 36
圖3.26 AuNRs@SiO2在450 ℃燒結後的TEM圖 36
圖3.27 AuNRs@SiO2在500 ℃燒結後的TEM圖 37
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