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銅/氧化亞銅系列奈米樹枝 = Cu/Cu2O-based nanoden...

國立高雄大學化學工程及材料工程學系碩士班

銅/氧化亞銅系列奈米樹枝 = Cu/Cu2O-based nanodendrites:structural evolution and novel physical properities : 結構的轉變以及新穎的物理性質

紀錄類型:	書目-語言資料,印刷品 : 單行本
並列題名:	Cu/Cu2O-based nanodendrites:structural evolution and novel physical properities
副題名:	結構的轉變以及新穎的物理性質
作者:	李建賢,
其他團體作者:	國立高雄大學
出版地:	[高雄市]
出版者:	撰者;
出版年:	2011[民100]
面頁冊數:	109面圖，表格 : 30公分;
標題:	表面增益拉曼散射效應
標題:	Surface-enhanced Raman scattering
電子資源:	http://handle.ncl.edu.tw/11296/ndltd/00609747539602466633
附註:	參考書目：面87-95
其他題名:	結構的轉變以及新穎的物理性質
摘要註:	本研究以低毒性製程成長單晶銅奈米樹枝，並藉由特殊的熱處理方式首次成功合成銅/氧化亞銅核-殼奈米樹枝以及氧化亞銅中空奈米樹枝。高解析穿透式電子顯微鏡進一步解析奈米樹枝的結晶方位，可發現銅/氧化亞銅核-殼奈米樹枝中銅和氧化亞銅的方位關係呈Cu(111)[0 1]\|\|Cu2O(001)[1 0]。此外，也發現氧化亞銅中空奈米樹枝是一準單晶結構，並推論由於特殊的熱處理方式使銅於核心揮發以及逸散。當銅/氧化亞系列奈米樹枝吸附4-胺基苯硫酚(4-aminobenzenethiol, 4-ABT) 後再以雷射波長633nm以及532nm激發，其拉曼光譜圖譜會表現出特殊反轉的表面增益拉曼散射效應(Surface Enhanced Raman Scattering, SERS)。銅/氧化亞銅核-殼奈米樹枝在雷射波長532 nm的激發之下甚至會顯現出比銅更強的SERS效應，其可能原因來自於近能隙共振以及形狀效應所貢獻。除此之外，也以接觸角量測儀分析銅/氧化亞系列奈米樹枝，其結果顯示銅、銅/氧化亞銅以及氧化亞銅奈米樹枝的接觸角分別為20.9°、133.2°以及104.9°。這些互異的的奈米樹枝不僅可作為學術研究，也有應用於感測、自清潔、電子元件以及藥物輸送之潛力。 Cu-Cu2O core–shell nanodendrites and Cu2O hollow dendrites were prepared for the first time by distinct heat treatments of single crystalline Cu nanodendrites synthesized by the proposed low toxicity electrodeposition route. The crystallographic directions of the nanodendrites were studied by high resolution transmission electron microscopy and the orientation relations of Cu2O and Cu from the Cu–Cu2O core–shell nanodendrites were found to be Cu(111)[0 1]\|\|Cu2O(001)[1 0]. Hollow Cu2O nanodendrites were characterized as quasi-single crystalline structures, which are proposed to form via the evaporation and escape of Cu in the core part of nanodendrites during specific heat treatments. Raman spectra show reverse surface-enhanced Raman scattering (SERS) effects for Cu and Cu–Cu2O core–shell nanodendrites in detecting absorbed 4-aminobenzenethiol molecules under 633 and 532 nm excitation. The Cu–Cu2O core–shell dendrites show an even stronger SERS effect than Cu dendrites under 532 nm excitation, which is attributed to near resonance excitations and shape effects. Contact angle measurements show the contact angles of Cu, Cu–Cu2O, and hollow Cu2O nanodendrites are 20.9°, 133.2°, and 104.9°, respectively. These diverse nanodendrites not only provide abundant directions for academic research, but are also promising for sensing, self-cleaning, electronic devices and drug delivery applications.

銅/氧化亞銅系列奈米樹枝 = Cu/Cu2O-based nanodendrites:structural evolution and novel physical properities : 結構的轉變以及新穎的物理性質
李, 建賢

銅/氧化亞銅系列奈米樹枝 = Cu/Cu2O-based nanodendrites:structural evolution and novel physical properities : 結構的轉變以及新穎的物理性質 / 李建賢撰 - [高雄市] : 撰者, 2011[民100]. - 109面 ; 圖，表格 ; 30公分.
參考書目：面87-95.
表面增益拉曼散射效應Surface-enhanced Raman scattering

銅/氧化亞銅系列奈米樹枝 = Cu/Cu2O-based nanodendrites:structural evolution and novel physical properities : 結構的轉變以及新穎的物理性質
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330 $a 本研究以低毒性製程成長單晶銅奈米樹枝，並藉由特殊的熱處理方式首次成功合成銅/氧化亞銅核-殼奈米樹枝以及氧化亞銅中空奈米樹枝。高解析穿透式電子顯微鏡進一步解析奈米樹枝的結晶方位，可發現銅/氧化亞銅核-殼奈米樹枝中銅和氧化亞銅的方位關係呈Cu(111)[0 1]||Cu2O(001)[1 0]。此外，也發現氧化亞銅中空奈米樹枝是一準單晶結構，並推論由於特殊的熱處理方式使銅於核心揮發以及逸散。當銅/氧化亞系列奈米樹枝吸附4-胺基苯硫酚(4-aminobenzenethiol, 4-ABT) 後再以雷射波長633nm以及532nm激發，其拉曼光譜圖譜會表現出特殊反轉的表面增益拉曼散射效應(Surface Enhanced Raman Scattering, SERS)。銅/氧化亞銅核-殼奈米樹枝在雷射波長532 nm的激發之下甚至會顯現出比銅更強的SERS效應，其可能原因來自於近能隙共振以及形狀效應所貢獻。除此之外，也以接觸角量測儀分析銅/氧化亞系列奈米樹枝，其結果顯示銅、銅/氧化亞銅以及氧化亞銅奈米樹枝的接觸角分別為20.9°、133.2°以及104.9°。這些互異的的奈米樹枝不僅可作為學術研究，也有應用於感測、自清潔、電子元件以及藥物輸送之潛力。 Cu-Cu2O core–shell nanodendrites and Cu2O hollow dendrites were prepared for the first time by distinct heat treatments of single crystalline Cu nanodendrites synthesized by the proposed low toxicity electrodeposition route. The crystallographic directions of the nanodendrites were studied by high resolution transmission electron microscopy and the orientation relations of Cu2O and Cu from the Cu–Cu2O core–shell nanodendrites were found to be Cu(111)[0 1]||Cu2O(001)[1 0]. Hollow Cu2O nanodendrites were characterized as quasi-single crystalline structures, which are proposed to form via the evaporation and escape of Cu in the core part of nanodendrites during specific heat treatments. Raman spectra show reverse surface-enhanced Raman scattering (SERS) effects for Cu and Cu–Cu2O core–shell nanodendrites in detecting absorbed 4-aminobenzenethiol molecules under 633 and 532 nm excitation. The Cu–Cu2O core–shell dendrites show an even stronger SERS effect than Cu dendrites under 532 nm excitation, which is attributed to near resonance excitations and shape effects. Contact angle measurements show the contact angles of Cu, Cu–Cu2O, and hollow Cu2O nanodendrites are 20.9°, 133.2°, and 104.9°, respectively. These diverse nanodendrites not only provide abundant directions for academic research, but are also promising for sensing, self-cleaning, electronic devices and drug delivery applications.
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