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研究生: 王昱昀
Yu-yun Wang
論文名稱: 含鉑-三聯吡啶-炔基之金屬凝膠自組裝行為之研究
Metallogel of Platinum(Ⅱ) Terpyridyl Complexes: Interplay of π-π and Hydrogen Bonding Interactions on Gel Formation
指導教授: 孫世勝
Shih-sheng Sun
何郡軒
Jinn-hsuan Ho
口試委員: 陳元璋
none
學位類別: 碩士
Master
系所名稱: 應用科技學院 - 應用科技研究所
Graduate Institute of Applied Science and Technology
論文出版年: 2012
畢業學年度: 100
語文別: 中文
論文頁數: 69
中文關鍵詞: 金屬凝膠膠體自組裝鉑-三聯吡啶
外文關鍵詞: metallogel, gel, self-assembly, pt-tpy
相關次數: 點閱:249下載:5
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  • 我們成功合成出以鉑-三聯吡啶-炔基為主體並加入本實驗室發展出的易形成凝膠的結構合成出最終的dc1及dc2分子。探討改變三聯吡啶上的共軛對形成凝膠及光物裡變化的影響。發現dc2可以在甲苯、苯以及對二甲苯中形成穩定的凝膠,而dc1雖無法形成凝膠卻有特殊的光物理性質。我們以變溫1H NMR、吸收光譜及放射光譜探討其分子間作用力及光物理變化;以TEM、SEM及AFM觀察其微觀結構。dc2主要是以-及氫鍵作用力自組裝形成凝膠,而從微觀結構來看則是典型的纖維狀,直徑大約3-4 nm。
    較特別的是dc1的特殊光物理性質,dc1在高濃度時的放射峰會隨著溫度的增加而上升,其原因為在高濃度時dc1有兩種聚集方式,高溫時的聚集方式放光較強導致的結果。


    A series of supramolecular gelators based on alkynylplatinum(II) terpyridyl complexes with long-chain pyridine-2,6-dicarboxamides has been synthesized. One out of two complexes is capable of immobilizing organic solvents to form luminescent metallogel through a combination of intermolecular hydrogen bonding and aromatic - interactions. The self-aggregation of this complex in solutions and the resulting gels were investigated with variable-temperature 1HNMR and absorption/emission spectroscopy. SEM, TEM and AFM micrograph on xerogel reveals entangled nanofiber with diameter of 3-4 nm.
    Unique photophysical properties have been investigated with luminescene enhancement at elevated temperature, which is sharp contrast to typical thermotropic supramolecular gels reported in the literature. Such unusual luminescene enhancement is attributed to the different aggregation type at high concentration.

    1. 緒論 1 1.1 凝膠的定義 1 1.2 凝膠介紹與分類 1 1.3 小分子凝膠的發展 3 1.4 金屬凝膠 (Metallogel) 4 1.5 以鉑-三聯吡啶-炔基為主體的金屬凝膠 11 1.6 Alkynyl pyridine dicarboxamine (APD) moiety 17 1.7 研究動機 19 2.結果與討論 20 2.1 合成部分 20 2.2 實驗結果與討論 25 2.2.1 凝膠性質 25 2.2.2 變溫1H NMR核磁共振光譜實驗 26 2.2.3 光物理性質 29 2.2.4 電子顯微鏡 42 2.2.5 粉末X光繞射實驗 (pXRD) 45 3. 結論 49 4.研究方法 50 4.1 儀器 50 4.2 實驗藥品 53 4.3 實驗流程 54 5. 參考資料 66 附錄及光譜數據

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