臺灣博碩士論文加值系統

本實驗是利用溶液析出法將濃氨水滴入已調配好之硝酸鐵溶液中，並固定硝酸鐵溶液濃度以控制濃氨水添加量以調整溶液pH值來製備氧化鐵粉體，進而觀察其結果與特性。調控硝酸鐵溶液酸鹼值至pH= 8 ~ 10，取其氧化鐵析出物做不同溫度50 oC ~ 1000 oC之熱處理，不同之酸鹼值並不會影響到氧化鐵產物的結構，但伴隨著熱處理溫度越高α-Fe2O3的結晶相愈為顯著，且氧化鐵粉體的光致發光反應在1000 oC最為顯著。
利用Vayssieres 所提出的“purpose - built materials”理論概念製備水溶液，再將已濺鍍好之氧化鋅薄膜的矽基板浸泡於調配至適當濃度之硝酸鋅溶液中，即可合成一維氧化鋅奈米料。當以不同反應溫度同樣持溫24小時後，發現雖然反應溫度越高，可以使氧化鋅奈米柱長成的速度越快，但是相對的卻會造成氧化鋅奈米柱擠壓堆疊的現象，此氧化鋅奈米柱並不利於批覆之用。
再利用低溫水溶液法製備出的氧化鐵披覆於一維氧化鋅奈米材料上，進而利用場發射電子顯微鏡(FE-SEM)及穿透式電子顯微鏡(TEM)觀察氧化鐵披覆一維氧化鋅奈米複合材料之結構。

This experimentation drips into using the solution separation law the strong ammonia water mixes in the ferric nitrate solution, and the fixed ferric nitrate solution concentration controls strong ammonia water recruitment adjusted solution pH the value to prepare oxidizes the powdered iron body, then observes its result and the characteristic.
The regulative ferric nitrate solution PH value to pH= 8 ~ 10, takes its ferric oxide separation to make heat treatments of the different temperature 50 oC ~ 1000 oC, the different PH value will not affect the ferric oxide product structure, but will follow the heat treatment temperature to be higher α-Fe2O3 crystallization phase to obviously, and will oxidize the powdered iron body's photoluminescence response to be most remarkable in 1000 oC.
“Purpose - built materials which” proposed using Vayssieres theory concept preparation peroxide solution, will have splashed again plates the zinc oxide thin film xi the foundation plate immersion to mixing to zinc nitrate of solution in the suitable density, then synthesizes an univariate zinc oxide nanometer material.
When holds the warm 24 hours later similarly the different reaction temperature, discovered that although the reaction temperature is higher, may cause the speed which a zinc oxide nanometer column grows into to be quicker, but relative actually will create the phenomenon which the zinc oxide nanometer column extrusion will pile up one on top of another, this zinc oxide nanometer column will not favor gives a written reply to a subordinate.
The ferric oxide which prepares using the low temperature peroxide solution law throws over again turns round on univariate zinc oxide nanomaterials, then advantage use field emission gun scanning electron microscopy (FE-SEM) and the transmission electron microscope (TEM) observation ferric oxide throws over structure of the duplicate univariate zinc oxide nanometer compound materials.

摘要.........................................................I
Abstract....................................................II
誌謝........................................................IV
目錄.........................................................V
圖目錄.....................................................VII
表目錄......................................................IX
第一章 緒論..................................................1
第二章 文獻回顧..............................................2
2-1 氧化鐵簡介...............................................2
2-1-1 氧化鐵之結構 ...........................................2
2-1-2 氧化鐵粉體之製備......................................10
2-2 氧化鋅簡介..............................................11
2-2-1 氧化鋅之結構..........................................11
2-2-2 氧化鋅發光特性........................................15
2-2-3 氧化鋅之製備..........................................17
2-3 合成方法................................................20
2-3-1 氧化鋅薄膜............................................20
2-3-2 一維奈米氧化鋅結構....................................20
2-3-3 氧化鋅之摻雜方法......................................21
第三章 實驗製程與流程.......................................23
3-1 實驗使用原料............................................23
3-2 實驗及特性分析設備......................................24
3-2-1 實驗設備..............................................24
3-2-2 特性分析設備..........................................26
3-3 實驗製程與流程圖........................................28
3-3-1 氧化鐵粉體之製程......................................28
3-3-2 氧化鐵粉體之製程流程圖................................29
3-3-3 一維奈米氧化鋅之製程..................................30
3-3-4 一維奈米氧化鋅之製程流程圖............................31
3-3-5 氧化鐵披覆一維奈米氧化鋅之製程........................32
3-3-6 氧化鐵披覆一維奈米氧化鋅之製程流程圖..................33
第四章 結果與討論...........................................34
4-1 X光繞射分析(XRD)........................................34
4-2 光學性質分析(PL)........................................37
4-3 表面形貌分析(FE-SEM)....................................39
4-4 晶體結構分析(TEM).......................................43
4-5 氧化鐵披覆一維奈米氧化鋅分析............................45
第五章 結論.................................................48
第六章 參考文獻.............................................50

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