臺灣博碩士論文加值系統

本研究製備兩種Dion-Jacobson型層狀鈣鈦礦結構金屬氧化物CsPb2Nb3O10及KCa2Nb3O10，分別選用H+、HOOC(CH2)10NH3+及tetrabutylammonium ions(TBA+)之插層劑進行離子交換反應進行其表面改質。以X-ray繞射儀(XRD)、掃瞄式電子顯微鏡(SEM)、拉曼光譜(Raman Spectrum)、霍式轉換紅外光吸收光譜(IR Spectrum)、熱重分析儀(TGA)…等儀器探討其物理性質；並於溶液中製備有機/無機混成物HOOC(CH2)10NH3Ca2Nb3O10之高分子奈米複合材料，再以介電分析儀(DEA)分析其介電性質。由XRD及SEM實驗結果顯示Layered HCa2Nb3O10經HOOC(CH2)10NH3+及TBA+離子交換反應後，已能有效的增加其層間距達31.08Ǻ以上並改善其表面型態。由拉曼散射光譜及紅外光譜證實離子交換造成晶格扭曲的現象。TGA及DSC的熱分析結果顯示兩種質子化衍生物在高溫時產生拓樸化學凝聚反應，能脫水生成穩態的三維網狀結構；並計算出HOOC(CH2)10NH3Ca2Nb3O10之氧化裂解所造成重量損失。高分子奈米複合材料以溶液澆鑄法鑄膜，以介電分析儀進行介電性質的量測，分析有機/無機混成物於高分子奈米複合材料中之比例對介電常數的影響；並經由電性模數的轉換探討溫度與導電度特徵鬆弛時間的關係。

In this research, the layered perovskites of CsPb2Nb3O10 and KCa2Nb3O10 metal oxides of Dion-Jacobson phases were modified by ion-exchange of H+、HOOC(CH2)10NH3+ and tetrabutylammonium ions(TBA+). The instruments of X-ray diffraction instrument(XRD)、scanning electron microscope(SEM)、Raman scattering spectrometer、Fourier transform infrared spectrometer(FTIR)、thermogravimetric analysis(TGA) were used to analyze the physical properties. The polymer nanocomposite composed with PMMA and HOOC(CH2)10NH3- Ca2Nb3O10 were prepared in N,N-Dimethyl formamide(DMF). From XRD data and SEM morphology, the d-spacing of layered HCa2Nb3O10 increased effectively by intercalated ions of HOOC(CH2)10NH3+ and TBA+. The Raman and IR spectrum suggested that the lattice distortion of the perovskite layer existed due to the ion-exchanging process. The experimental results of TGA and DSC showed that the dehydration of topochemical condensation reactions proceeded under high temperature. It made the protoned derivatives stable. The weight loss due to the oxidative decomposition of HOOC(CH2)10NH3Ca2Nb3O10 was calculated by TGA analysis. The dielectric properties measured by dielectric analyzer (DEA) was analyzed to elucidate the effect of nanocomposite composition on the temperature dependence of dielectric constant and conductivity relaxation time.

目錄
中文摘要..................................................................................................Ⅰ
英文摘要..................................................................................................Ⅱ
目錄..........................................................................................................Ⅲ
圖目錄......................................................................................................Ⅵ
表目錄......................................................................................................XI
第一章 緒論..............................................................................................1
第二章 文獻回顧......................................................................................2
2-1 奈米無機層狀材料的簡介....................................................2
2-2 高分子奈米複合材料............................................................2
2-2.奈米複合材料簡介.........................................................3
2-2.高分子奈米複合材料的特性.........................................4
2-2.無機層狀材料的有機化與高分子插層.........................5
2-2.無機層狀材料於高分子中的分散型態.........................7
2-3 無機鈣鈦礦結構....................................................................8
2-4 層狀鈣鈦礦結構金屬氧化物之簡介....................................9
2-4.1層狀鈣鈦礦結構金屬氧化物之種類.............................9
2-4.2層狀鈣鈦礦結構金屬氧化物之設計與化學性質............11
2-5 有機/無機混成材層狀鈣鈦礦材料結構............................18
2-6 層狀鈣鈦礦結構金屬氧化物之高介電性質及其應用......19
2-7 介電材料在有機電晶體的應用..........................................22
第三章 實驗架構....................................................................................25
3-1 研究架構..............................................................................25
3-2 研究方法..............................................................................26
3-2.1層狀鈣鈦礦結構金屬氧化物表面改質之物性分析......26
3-2.2高分子複合材料的製備之物性分析..............................26
第四章 實驗內容....................................................................................27
4-1 實驗藥品..............................................................................27
4-2 實驗儀器..............................................................................30
4-3 實驗步驟..............................................................................35
4-3.1 無機層狀鈣鈦礦結構金屬氧化物材料HPb2Nb3O10…….35
4-3.2 剝層之無機材料HPb2Nb3O10........................................35
4-3.3 以插層劑11-Aminoundecanoic Acid嵌入HPb2Nb3O10中
製備官能化之層狀無機材料..........................................36
4-3.4 無機層狀鈣鈦礦結構金屬氧化物材料HCa2Nb3O10….36
4-3.5 剝層之無機材料HCa2Nb3O10.........................................36
4-3.6 以插層劑11-Aminoundecanoic Acid嵌入HCa2Nb3O10中製備官能化之層狀無機材料..........................................37
4-3.7製備高分子複合材料.......................................................37
第五章 結果與討論................................................................................38
5-1 無機層狀金屬氧化物之鑑定與分析..................................38
5-1.1感應耦合電漿原子發射光譜分析ICP-AES...............38
5-1.2 XRD分析......................................................................38
5-1.3拉曼光譜分析...............................................................42
5-1.4傅利葉轉換紅外光吸收光譜(FTIR) ..........................43
5-1.5熱重分析(TGA) ...........................................................44
5-1.6紫外光-可見光吸收光譜儀(UV-Vis)………………...46
5-1.7掃瞄式電子顯微鏡(SEM) ……………………...……...47
5-2 無機材料與高分子混摻後之鑑定與分析..........................47
5-2.1 XRD分析......................................................................47
5-2.2 介電性質分析..................................................................49
第六章 結論............................................................................................55
參考文獻..................................................................................................57

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