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理學院
化學系
學位論文
學位論文
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http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/73899
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search.filters.author.Yeh, Hsiang-Chun
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search.filters.author.葉相均
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search.filters.subject.carbon nanotube
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search.filters.subject.adsorption energy
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search.filters.subject.defect formation energy
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search.filters.subject.nitrogen doped
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search.filters.subject.stone-wales defect
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2016
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利用理論計算來研究如何合成及修改奈米碳管
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2016
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葉相均
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Yeh, Hsiang-Chun
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奈米碳管的應用非常的廣泛,經過各種類型的研究,碳管在催化上能夠有良好的效果,其重點是研究各種缺陷位對於碳管之貢獻,而這裡則鎖定於graphite-like型式的氮參雜缺陷為主體,先比較四個氮的缺陷與三個氮的缺陷位的性質,也考量參雜不一樣的金屬原子,比較其形成能的變化趨勢,在觀察吸附不同小分子的吸附能,發現其3N與4N兩種不同的缺陷,形成完全不同的配位場。 接著利用包含空位缺陷,stone-wales缺陷,氧氣吸附的吸附位,與含氮之缺陷位,這幾種類型是可能在合成碳管中出現的結構,找出其不同類型的缺陷位所擁有的關聯性,來加以判斷在合成碳管的過程中,其可能的趨勢為何種情況,最後,為了能夠控制出其缺陷位之形狀,而也找出一種能夠修復空位太大之情況。
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