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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.Chang, Yun-Jou
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search.filters.author.張云柔
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search.filters.subject.dye adsorption
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search.filters.subject.CO2 capture
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search.filters.subject.Fenton-like reaction
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search.filters.subject.graphene-oxide
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search.filters.subject.mesoporous carbon
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中孔洞沸石奈米粒子之鋰修飾以及石墨化之合成、鑑定及應用
(
2019
)
張云柔
;
Chang, Yun-Jou
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本實驗室研發之自組裝合成法,可生成具有中孔及微孔洞結構的沸石奈米粒子。其高比表面積(800-900 m2/g)、規則中孔洞(5-6 nm)、高結晶性所產生之微孔的性質(< 1 nm),可有效提高其水熱穩定性,並應用於空間限制的載體以及催化等用途。透過有機鋰試劑修飾過程,可使奈米粒子具有捕捉二氧化碳的能力,所產生的碳酸鋰被有效限制於在中孔洞內,並達到循環利用的效果。 透過一步驟的化學氣相沉積反應,並以乙烯氣體做為碳源、直接裂解於沸石表面上,生成單層及數層之氧化石墨烯並維持原中孔洞形貌。經由拉曼光譜、X光光電子能譜、螢光光譜、紫外光-可見光吸收光譜、X光粉末繞射等鑑定,證實其組成結構為中孔洞氧化石墨烯-沸石複合奈米粒子。改質後的奈米粒子,表面可大量吸附有機染料及金屬離子,氧化石墨烯中的自由基並可誘發類芬頓反應,以有效催化有機物之分解。
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