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Browsing by Author "宋燕玲"

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    含釕化合物修飾碳管製備: Ru(bpy)2(phen-dione)2+與亞硼酸電化學環合反應探討
    (2017) 宋燕玲; Song, Yan-Ling
    有鑒於亞硼酸可與羥基化合物進行環合反應產生亞硼酸酯,本論文探討以偶氮還原修飾法先將3-氨基苯亞硼酸(簡稱APBA)修飾於熱解石墨(簡稱HOPG)或奈米碳管表面,再藉由電化學或化學還原反應將2,2'-二吡啶-5,6-二羰基菲囉啉釕錯合物(簡稱Ru(bpy)2(phen-dione)2+)還原成2,2'-二吡啶-5,6-二羥基菲囉啉釕錯合物,使之與APBA進行環合反應,進而固定於這些碳質表面。 掃瞄式穿隧顯微術(簡稱STM)分析顯示:HOPG表面的粗糙度在修飾APBA後會由0.259 nm 增高至0.397 nm。若再經Ru(bpy)2(phen-dione)2+修飾,則會再增高至0.783 nm,其差值約為單層APBA與Ru(bpy)2(phen-dione)2+吸附。電化學交流阻抗與循環伏安法均證實此一現象。磁性模組AFM顯微術證實所修飾的奈米碳管受473-nm雷射光照射下時會顯現光磁性。由於該光磁性具有再現性,以亞硼酸酯環合反應所製備的碳質表面極具室溫光磁轉換應用潛力。

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