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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
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dc.contributor.advisor | 吳嘉文(Chia-Wen Wu) | |
dc.contributor.author | Chih-Peng Liang | en |
dc.contributor.author | 梁智澎 | zh_TW |
dc.date.accessioned | 2021-05-20T21:00:45Z | - |
dc.date.available | 2016-07-27 | |
dc.date.available | 2021-05-20T21:00:45Z | - |
dc.date.copyright | 2011-07-27 | |
dc.date.issued | 2011 | |
dc.date.submitted | 2011-07-21 | |
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dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/10084 | - |
dc.description.abstract | 此論文著重在探討將金奈米粒子分別合成於中孔洞二氧化鈦奈米粒子(MTNs)與薄膜(MTTF)之孔洞結構中的方法與結果。
中孔洞二氧化鈦材料一直受到廣泛的研究,其原因乃受惠於材料本身的獨特性,如高比表面積、高孔洞體積以及可調整的孔洞大小等。最重要的是,二氧化鈦是種常被使用在光電元件與光電技術上的半導體材料。近年來的研究發現,中孔洞二氧化鈦材料摻雜貴重金屬,如金、銀、鉑等,能夠有效提升以二氧化鈦為主體的光電元件效率,故近幾年來中孔洞二氧化鈦材料摻雜不同貴重金屬的研究開始被受到關注。 在這次的研究裡,我們嘗試使用四種不同還原方法,如熱處理、光處理、液相處理以及氣相處理,將金奈米粒子合成於MTNs與MTTF之孔洞結構中。合成好之金奈米粒子於中孔洞二氧化鈦複合材料(Au@MTNs and Au@MTTF)則利用紫外光/可見光光譜儀(UV-VIS)、X光繞射儀(XRD)、掃描式電子顯微鏡(SEM)以及穿透式電子顯微鏡(TEM),進行特性分析。 我們更進一步發現到金奈米粒子在MTNs與MTTF裡的成長方式。在Au@MTNs的實驗中,我們僅能利用熱還原法將金奈米粒子還原在MTNs的孔洞結構裡,且金奈米粒子的粒徑大小約為6.7 nm左右。在Au@MTTF的實驗中,我們則可以利用光還原法分別將分散性良好的金奈米粒子還原在MTTF的薄膜表面以及薄膜內部的孔洞結構中,其金奈米粒子的粒徑大小分別為17.8 nm以及4.1 nm。 | zh_TW |
dc.description.abstract | This study focus on the synthesis of gold-embeded mesoporous titania nanoparticles and thin films (MTNs and MTTF, respectively). Mesoporous titania materials have been extensively studied because of their special characters, for example, high surface area, pore volume, and tunable pore size. Most importantly, titania is a semiconductor so has been widely used in photoelectronic devices and technologies. Recently, mesoporous titania materials doped with noble metals such as gold, silver and platinum have attracted considerable attention because the noble metals can enhance the efficiency of the titania-based devices. In this research, we attempted to use four different reduction methods (i.e., thermal treatment, photo treatment, liquid treatment and vapor treatment) to synthesize gold nanoparticles into MTNs and MTTF. The synthesized Au@MTNs and Au@MTTF were characterized with UV-Vis spectra, X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). We further systematically investigated the formation mechanism of gold nanoparticles in MTNs and MTTF. In the case of Au@MTNs, gold nanoparticles could be reduced in MTNs only by thermal treatment, and the size of the gold nanoparticles is around 6.7 nm. In the case of Au@MTTF, well-dispersed gold nanopaticles could be obtained on and inside (the size is 17.8 and 4.1 nm, respectively) the MTTF by photo treatment. | en |
dc.description.provenance | Made available in DSpace on 2021-05-20T21:00:45Z (GMT). No. of bitstreams: 1 ntu-100-R98524035-1.pdf: 20190668 bytes, checksum: a3dea50a01865621a9f0c83495c40c5c (MD5) Previous issue date: 2011 | en |
dc.description.tableofcontents | 第一章 緒論 1
1-1中孔洞材料 1 1-1-1 中孔洞材料簡介 1 1-1-2 界面活性劑結構與分類 5 1-1-3 微胞行為 6 1-1-4 揮發誘導式自組裝法 7 1-2 金屬於中孔洞材料之複合物的簡介 10 第二章 文獻回顧 11 2-1 中孔洞二氧化鈦材料簡介 11 2-1-1 二氧化鈦物理特性 11 2-1-2 中孔洞二氧化鈦奈米粒子 14 2-1-3 中孔洞二氧化鈦薄膜 15 2-1-4 二氧化鈦薄膜前驅液的製備方法 15 2-1-5 薄膜製備種類 20 2-2 金奈米粒子簡介 24 2-2-1 金奈米材料的發展與延革 24 2-2-2 金的物理及化學性質 24 2-2-3 奈米材料之特性 25 2-2-4 奈米材料之製備 27 2-2-5 金奈米粒子之合成 28 2-3 金奈米粒子於中孔洞二氧化鈦之複合材料的製備 30 2-3-1 直接沉積法 30 2-3-2 還原沉積法 30 2-3-3 共沉積法 32 2-3-4 共生成法 32 2-4 金奈米粒子於中孔洞二氧化鈦之複合材料的應用 33 2-4-1 光觸媒 33 2-4-2 表面增強式拉曼光譜 34 第三章 研究動機與目的 35 第四章 實驗方法 36 4-1 化學藥品 36 4-2 合成方法 37 4-2-1 實驗流程 37 4-2-2 中孔洞二氧化鈦奈米粒子的製備方法 38 4-2-3中孔洞二氧化鈦薄膜的製備方法 39 4-2-4金奈米粒子於中孔洞二氧化鈦之複合材料的製備方法 40 4-2-5金奈米粒子前驅液與中孔洞二氧化鈦材料的吸附方式 41 4-3 儀器檢定 43 4-3-1 紫外線�可見光光譜分析儀 43 4-3-2 比表面積分析儀 43 4-3-3 X光繞射儀 43 4-3-4 掃描式電子顯微鏡 43 4-3-5 穿透式電子顯微鏡 44 4-3-6 能量分散光譜儀 44 第五章 結果與討論 45 5-1 中孔洞二氧化鈦材料 45 5-1-1 中孔洞二氧化鈦奈米粒子 45 5-1-2 中孔洞二氧化鈦薄膜 51 5-2 金奈米粒子於中孔洞二氧化鈦之複合材料 54 5-2-1 金奈米粒子於中孔洞二氧化鈦奈米粒子之複合物 56 5-2-2 金奈米粒子於中孔洞二氧化鈦薄膜之複合物 62 第六章 結論 77 參考文獻 79 | |
dc.language.iso | zh-TW | |
dc.title | 利用不同還原方法合成金奈米粒子於中孔洞二氧化鈦之複合材料 | zh_TW |
dc.title | Synthesis of Au Nanoparticles in Mesoporous Titania Materials by Different Reduction Methods | en |
dc.type | Thesis | |
dc.date.schoolyear | 99-2 | |
dc.description.degree | 碩士 | |
dc.contributor.oralexamcommittee | 林?輝,楊家銘,陳林祈,徐振哲 | |
dc.subject.keyword | 中孔洞材料,中孔洞二氧化鈦奈米粒子,中孔洞二氧化鈦薄膜,金奈米粒子,金奈米粒子還原法, | zh_TW |
dc.subject.keyword | mesoporous materials,mesoporous titania nanoparticles (MTNs),mesoporous titania thin films (MTTF),gold nanoparticles,reduction, | en |
dc.relation.page | 83 | |
dc.rights.note | 同意授權(全球公開) | |
dc.date.accepted | 2011-07-21 | |
dc.contributor.author-college | 工學院 | zh_TW |
dc.contributor.author-dept | 化學工程學研究所 | zh_TW |
顯示於系所單位: | 化學工程學系 |
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