臺灣博碩士論文加值系統

本研究利用水熱法來製備二氧化鈦，透過 X光繞射光譜儀分析各結晶相的組成,與場發射式電子顯微鏡觀察材料表面形貌，並進行探討。
實驗參數是由本實驗室郭懷仁學長所研究之結果，延續其結果並加以改進結晶相與形貌的成長。本研究之參數主要以不同種類的酸類有:硫酸、硝酸與鹽酸，分別去探討在調控在這些酸類在不同濃度下、反應時間、反應溫度與TiO2的前驅物TBOT濃度。其實驗結果可以發現在不同酸類的影響下，TiO2的粉末顆粒會隨著酸類的濃度提高而使顆粒寸尺變大。其二在不同的TBOT濃度下，TiO2的粉末顆粒會隨著TBOT濃度的升高使顆粒從微米級尺寸會縮小至奈米級尺寸。在這些TiO2的粉末顆粒發生變化時，也產生相變化。在鹽酸和硝酸的製備下，每種相變化的過程不盡相同。
在實驗最後利用這些用不同製程下所產生的二氧化鈦粉末在亞甲基藍脫色反應測試中，以波長為180~280 nm紫外光照射進行光降解反應。本實驗最佳條件，以硫酸製備二氧化鈦產生具備有銳鈦礦相之顆粒為最佳參數。

This study was prepared Titanium dioxide by hydrothermal method, Analysis of the crystalline phase composition of TiO2 by X-ray diffractometer, and observe the surface morphology by scanning electron microscopy.
Experimental parameters is based on Cuo’s experimental results. Cuo is senior in our laboratory. According to his results, he successful prepare Titanium dioxide particle and the mixed phase of rutile. So, we hope improve his experimental parameters.
First, we choose difference acid type. For example: Hydrochloric acid, Nitric acid, Sulfuric acid. The difference acid type will affect the Titanium dioxide of phase and particle size. Second, we change the Titanium dioxide precursor content on difference acid solution. The results, difference precursor content will affect Titanium dioxide of phase and particle size. We also investigate the phase transform process on Hydrochloric acid solution and Nitric acid solution.
Finally, we selected Titanium dioxide powder from difference acid type solution to methylene blue test. The results, Preparation of sulfuric acid with Titanium dioxide anatase phase generates the particle is the best parameters.

摘要 i
Abstract iii
目錄 iv
圖目錄 ix
表目錄 xiv
第一章 緒論 1
1-1 前言 1
1-2 研究動機與目的 2
第二章 理論基礎 5
2-1光觸媒 5
2-1-1光觸媒歴史與發展 5
2-1-2光觸媒材料 7
2-1-3光催化反應特性與影響因素 9
2-1-4二氧化鈦光觸媒機制 11
2-1-5氧化鈦製備方法 12
2-1-6二氧化鈦的晶體結構與基本性質 14
2-2文獻回顧 21
2-2-1水熱法製備二氧化鈦之影響反應參數 21
2-2-2 利用TBOT製備二氧化鈦[57] 23
2-2-3 酸類對TiO2的影響[58] 27
2-2-4 利用鈦酸鹽類製備二氧化鈦[59] 31
2-2-5 利用鹽酸製備二氧化鈦[60] 31
第三章 實驗方法與儀器 35
3-1 實驗藥品 35
3-2 實驗流程 35
3-2-1 試片製作 35
3-2-2 溶液配製 (一) 36
3-2-3 溶液配製 (二) 36
3-2-4 溶液配製 (三) 38
3-2-5 實驗流程圖 39
3-2-6 亞甲基藍量測 40
3-3 實驗設備 40
3-3-1 壓力釜 40
3-3-2 精密烘箱 41
3-3-3 超音波震盪機 41
3-4 分析儀器 41
3-4-1場發掃描式電子顯微鏡(FE-SEM) 41
3-4-2光能量散佈光譜分析(EDS) 42
3-4-3 X-Ray 繞射分析(XRD) 42
3-4-4 紫外光-可見光光譜儀 45
第四章 實驗結果與討論 47
4-1溫度對二氧化鈦之影響 47
4-2不同的酸類對二氧化鈦之影響 52
4-2-1 鹽酸濃度 52
4-2-2硝酸濃度 56
4-2-3硫酸濃度 61
4-3二氧化鈦前驅物TBOT濃度對不同酸類的影響 65
4-3-1 TBOT濃度在5毫升鹽酸二氧化鈦之影響 65
4-3-2 TBOT濃度在4毫升硝酸二氧化鈦之影響 70
4-4-3 TBOT濃度在5毫升硫酸二氧化鈦之影響 75
4-4二氧化鈦在硝酸與鹽酸製備中相變化過程 78
4.5亞甲基藍降解 82
4.5-1鹽酸製備二氧化鈦 83
4.5-2硝酸製備二氧化鈦 84
4-5-3硫酸製備二氧化鈦 85
4.5-4不同酸類製備二氧化鈦的比較 86
第五章 結論 89
參考文獻 91

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