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研究生：	林保忠 Lin, Pao-Chung
論文名稱：	氮氧化銦鎵光觸媒分解水製氫之研究 Indium Gallium Oxynitride Photocatalysts for H2 Generation from Water-Splitting
指導教授：	鄧熙聖 Teng, Hsi-sheng
學位類別：	碩士 Master
系所名稱：	工學院 - 化學工程學系 Department of Chemical Engineering
論文出版年：	2009
畢業學年度：	97
語文別：	中文
論文頁數：	89
中文關鍵詞：	分解水、氮氧化銦鎵、光觸媒
外文關鍵詞：	Photocatalyst, InxGa1-xO1-yNy, Water-splitting
相關次數：	點閱：81 下載：3
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直接利用光觸媒分解水產氫，是近年來重要的發展應用之ㄧ。本研究利用水熱法與鍛燒法兩種方式製備銦與鎵混合的前驅物，並將前驅物在700-900℃的氨氣下氮化15小時以合成氮氧化銦鎵(InxGa1-xO1-yNy)光觸媒。發現水熱合成的前驅物因為有較佳的結晶性，所以氮化成的氮氧化銦鎵光觸媒具有較均勻且較少缺陷的特性，研究結果發現，不論在何種氮化溫度下，由水熱合成的前驅物製備的觸媒，在紫外光的照射下，皆具有較優異的分解水特性。
另外，改變氮化溫度合成氮氧化銦鎵(InxGa1-xO1-yNy)光觸媒，發現氮化800℃後，氮/氧比例會增加，銦含量則有減少的現象，造成觸媒能隙變大，導帶與價帶位置皆改變及電子傳遞速率下降的特性。研究結果發現，在較低溫700℃氮化有助於讓觸媒含有較多的銦，使其有較佳有吸光效率與高載子濃度等光電特性，所以有較佳的分解水產氫活性。

Direct water splitting using a photocatalyst with sunlight is an attractive means of hydrogen production from the viewpoint of large-scale application. The research concerns the preparation of In and Ga mixed precursor via the hydrothermal method and sintering. The synthesis of InxGa1-xO1-yNy photocatalysts were prepared by calicining the precursor under ammonia atmosphere at the temperature ranging from 700 to 900℃ for 15 hours. We discovered the precusor prepared by hydrothermal method had better crystallinity. Therefore, the photocatalyst prepared from this precursor had better uniformity and less defects. In addition, the photocatalyst prepred by the precusor via hydrothermal method had excellent photocatalytic activity for H2 evolution under UV light irradiation.
However, when nitridation temperature was higher than 800℃, the ratio of N/O increased and the content of Indium would decreased. This result made the band gap of the catalyst increase, conduction band and valence band position change, and the electron mobility decrease. This revealed lower temperature at 700℃ would increase the content of Indium. It could also improved the photoelectronic properties such as the light-absorption efficiency and high carrier concentration. As a result, it exhibited better photocatalytic activity for H2 evolution.

中文摘要	                   	I
Abstract	                   	II
誌謝	                   	III
本文目錄	                   	IV
圖目錄	                    	VII
表目錄	                     	XI

本文目錄
第一章	緒論
1-1 	前言                  	1
1-2 	Honda-Fujishima effect 	2
1-3	光觸媒原理         	3
   1-3-1 光觸媒的催化原理   	3
   1-3-2 光分解水的原理     	4
   1-3-3 光觸媒分解水反應程序       6
1-4 	犧牲試劑工作原理     	8
1-5	光觸媒分解水裝置    	9
第二章	文獻回顧           	11
2-1 	可見光分解水觸媒的發展	11
2-2 	共觸媒的負載與功用  	14
2-3	合成方法簡述       	17
   2-3-1 導論	                  17
   2-3-2 固相反應法         	18
   2-3-3 水熱合成法         	19
2-4	研究動機           	21
   2-4-1 氮氧化物光觸媒     	21
   2-4-2 氮化銦鎵(InGaN)    	21
   2-4-3 氮氧化銦鎵(InGaON)光觸媒	22
第三章	實驗方法與儀器原理介紹	25
3-1 	藥品、材料與儀器設備	25
   3-1-1 藥品與材料         	25
   3-1-2 儀器與實驗設備     	26
3-2 	光觸媒製備	         27
   3-2-1 氮氧化銦鎵(InGaON)之製備	27
   3-2-2 氮氧化鎵(GaON)之製備        27
   3-2-3 共觸媒之製備       	28
3-3 	光觸媒反應裝置與分析	31
   3-3-1 懸浮式光照反應器    	31
   3-3-2 光源強度之測定              34
   3-3-3 光源頻譜之掃描     	36
3-4	分析儀器原理簡介   	40
   3-4-1 X光繞射分析        	40
   3-4-2 紫外-可見光分光光度計 	42
   3-4-3 掃瞄電子顯微鏡     	43
   3-4-4 物理吸附分析       	45
   3-4-5 氣相層析儀         	47
   3-4-6 X光吸收光譜        	49
第四章	結果與討論         	50
4-1 	X光繞射(XRD)圖譜分析	50
   4-1-1 前驅物X光繞射(XRD)圖譜分析	50
   4-1-2 觸媒X光繞射(XRD)圖譜分析	53
4-2 	紫外光-可見光(UV-Vis)吸收圖譜分析	57
4-3 	X光光電子能譜(XPS)分析	61
4-4 	物理吸附及比表面積(BET)分析	65
4-5 	掃描式電子顯微鏡(SEM)表面分析	67
4-6	光觸媒活性探討與分析	71
   4-6-1 光觸媒反應活性測試 	71
   4-6-2 光觸媒反應活性之探討	74
第五章	結論與建議         	77
	5-1 	結論       	77
	5-2	未來建議  	77
參考文獻                     	78
自述                         	89
                                    

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校內：2011-07-31公開
校外：2011-07-31公開

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