| 研究生: |
陳冠志 Chen, Guan-zhi |
|---|---|
| 論文名稱: |
A:利用一氧化鈦合成二氧化鈦的研究
B:Hydridosilsesquioxane (Hydridospherosiloxane)
的官能基修飾研究 A:Study on the Synthesis of Titania Dioxide from Titanium Monoxide B:Study on the Modification of Hydridosilsesquioxane(Hydridospherosiloxane) |
| 指導教授: |
林榮良
Lin, Jong-Liang |
| 學位類別: |
碩士 Master |
| 系所名稱: |
理學院 - 化學系 Department of Chemistry |
| 論文出版年: | 2009 |
| 畢業學年度: | 97 |
| 語文別: | 中文 |
| 論文頁數: | 110 |
| 中文關鍵詞: | Si-H鍵 、丙烯醇 、1-戊烯 、氧氣 、修飾 、水熱 、微波 |
| 外文關鍵詞: | hydridospherosiloxane, HCl, hydrothermal, HNO3, TiO, oxygen, TiO2, 1-pentene, Si-H bond, modify, allyl alcohol |
| 相關次數: | 點閱:58 下載:1 |
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本篇論文的研究主題分成A、B兩部份,A部份探討於酸性的環境下,利用水熱法將TiO氧化成TiO2;B部分則是分成O系列、P系列和A系列,分別代表利用hydridospherosiloxane以高溫加熱的方式和氧氣進行反應(O系列),或是利用微波的方法(使用家用微波爐)和1-戊烯(P系列)以及丙烯醇(A系列)進行反應,期望修飾hydridospherosiloxane上的Si-H鍵。
藉著不同種類無機酸(HCl(aq)(H系列)和HNO3(aq)(N系列))的應用,和改變酸性溶液的濃度、反應溫度、TiO的用量以及酸性溶液的體積,可將TiO氧化成單一晶相(金紅石晶形)或是混合晶相(金紅石晶形+板鈦礦晶形或金紅石晶形+銳鈦礦晶形)的TiO2,其形狀可為長條狀、菱形狀或是短棒狀,而長條狀的寬度也可藉由不同的實驗變因加以控制。
B部份的研究是希望藉由氧化(與氧氣反應)的方法連結球狀分子hydridospherosiloxane,或是利用微波促助的方法修飾hydridospherosiloxane的Si-H鍵。照射微波的目的是希望使Si-H鍵鍛裂後與1-戊烯或丙烯醇反應,而產生Si-R鍵(R為有機分子)的修飾行為。B部份目前只有初步結果,透露出所提方法的可行性,持續的研究工作正在進行中。
This research is divided into two parts (A and B).The part A investigates the formation of TiO2 from TiO by hydrothermal method in acidic solutions.The part B investigates the modification for the Si-H bonds of hydridospherosiloxane molecules by reactions with O2 (O series), or 1-pentene (P series) or allyl alcohol (A series) through microwave-assisted method.
By the use of different inorganic acids (HCl(aq) (H series) and HNO3(aq) (N series)), control of acid concentration、hydrothermal temperature、the amount of TiO and acid volume, TiO2 with rutile phase or multiple phases (rutile + brookite or rutile + anatase) can be produced. The morphology of the TiO2 formed is stripe-like、diamond like or cosh-like particles, The width of the stripe TiO2 can be affected by using different experimental conditions.
The purpose of part B is to connect hydridospherosiloxane spheres by oxidizing the Si-H bonds to form Si-O-Si bonds, or to modify
Si-H bonds of hydridospherosiloxane in 1-pentene or allyl alcohol by microwave-assisted method. Microwave irradiation may assist in
the reactions between the hydridospherosiloxane molecules with 1-pentene and allyl alcohol.Preliminary results have been obtained.More experiments are needed and are underway.
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