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姓名	孫秉蔚(Ping-Wei Sun)  查詢紙本館藏	畢業系所	材料科學與工程研究所
論文名稱	銅-鋅微柱之製備及其在二氧化碳還原電催化之選擇性 (Fabrication of Copper-Zinc Micropillars and Selectivity in Electrocatalytic Carbon Dioxide Reduction)
相關論文	★ 1M KOH中Ag-Cu、Ag-Co二元薄膜觸媒對氧還原之催化 ★ Mg2Ni1-xCux合金在6M KOH水溶液中之電化學吸放氫性質及相關腐蝕行為之研究 ★ 以電化學方法在鋅箔上製備氧化鋅奈米結構 ★ 固態氧化物燃料電池陰極 La0.8Sr0.2Mn1−xRuxO3之製作與特性研究 ★ 奈米氧化鋅結構之電化學研製及其在發光二極體之應用 ★ 銅微柱表面之電化學析鍍氧化鋅奈米結構研究 ★ 香草醛在含50 V% 乙二醇低氯離子溶液中對AA6060鋁合金之腐蝕抑制研究 ★ 磁控濺鍍製備鋯、鈦共摻氧化鋅薄膜之結構與光電特性分析 ★ 即時影像監控導引下連續電鍍製作銅-鋅合金微柱並研究其結構與機械性質 ★ 鑭、鍶、銀、錳氧化物之製備與其作為固態氧化物燃料電池陰極之研究 ★ Photodetector - Light Harvesting and specific surface Enhancement (LivE) ★ 具奈米結構赤鐵礦之製備及其在光電化學行為研究 ★ 以溶凝膠法製備鋁鈦共摻雜氧化鋅薄膜並研究其微結構，腐蝕及光電化學之特性 ★ Ba0.5Sr0.5Co0.8Fe0.2O3-δ-La3Ni2O7+δ複合 結構應用於P-SOFC陰極之可行性研究 ★ 銅鎳合金微結構之微電鍍研究 ★ 以微電鍍法製備三維銅錫介金屬化合物微結構
檔案	[Endnote RIS 格式]    [Bibtex 格式]    [相關文章]   [文章引用]   [完整記錄]   [館藏目錄]   至系統瀏覽論文 (2026-7-31以後開放)
摘要(中)	近年來，二氧化碳濃度上升，導致全球暖化加劇。因此，透過二氧化碳還原反應(CO2 Electrochemical Reduction Reaction, CO2RR)，將二氧化碳轉化為高附加價值之化學品，可以實現碳中和之目標。本研究以微陽極導引電鍍法(Micro-Anode Guided Electroplating, MAGE)製備銅鋅合金微柱，並探討其在0.1 M KHCO3中進行CO2RR之產物。固定析鍍偏壓為4.6 V、間距控制在40 μm，改變硫酸鋅濃度(0.15 ~ 0.18 M)進行析鍍。合金微柱(Cu74Zn26、Cu66Zn34、Cu63Zn37、Cu55Zn45)經SEM、EDX、XRD分析材料特性。此製程所得微柱具有三維結構，增加催化活性面積。隨後，利用循環伏安法、線性掃描伏安法、電化學交流阻抗頻譜、計時電流法於0.1 M KHCO3下分析其電催化性能，結果顯示：CZ16合金微柱(組成為Cu66Zn34)具有最大之電化學活性表面積(Electrochemical Surface Area, ECSA)為8.7 cm2。此外，在-1.0 V vs. RHE下，具有最小之(乙醇)塔弗斜率(Tafel slope)為185 mV/dec。最後，藉由GC、NMR、FTIR分析CO2RR後之產物。結果顯示：CZ16合金微柱(組成為Cu66Zn34)還原為乙醇，在-1.0 V vs. RHE下，具有最高之法拉第效率(Faradaic Efficiency, FE)為35.0 %，乙醇之選擇性(Selectivity)為51.2 %。此外，CO2RR後成分變化增加催化面積，顯示其為銅鋅雙金屬異質電極。
摘要(英)	In recent years, the rising concentration of carbon dioxide has exacerbated global warming. Therefore, converting carbon dioxide into high-value chemicals through the CO2 Electrochemical Reduction Reaction (CO2RR) can achieve the goal of carbon neutrality. This study employs Micro-Anode Guided Electroplating (MAGE) to prepare Cu-Zn alloy micro-columns and investigates the products obtained from CO2RR in 0.1 M KHCO3. The alloy micro-columns (Cu74Zn26, Cu66Zn34, Cu63Zn37, Cu55Zn45) were synthesized by setting a fixed plating bias of 4.6 V and spacing control at 40 μm while varying zinc sulfate concentration (0.15~0.18 M). The material characteristics were analyzed using SEM, EDX, and XRD. The resulting micro-columns feature a three-dimensional structure, increasing the catalytic active surface area. Subsequently, electrochemical performance was analyzed using cyclic voltammetry, linear sweep voltammetry, electrochemical impedance spectroscopy, and chronoamperometry in 0.1 M KHCO3. Results indicate that CZ16 alloy micro-column (composition Cu66Zn34) has the largest Electrochemical Surface Area (ECSA) of 8.7 cm². Additionally, at -1.0 V vs. RHE, it shows the lowest Tafel slope (for ethanol) of 185 mV/dec. Finally, GC, NMR, and FTIR were used to analyze the products post-CO2RR. Results show that CZ16 alloy micro-column (composition Cu66Zn34) reduces to ethanol, with the highest Faradaic Efficiency (FE) of 35.0 % and selectivity for ethanol at 51.2 % at -1.0 V vs. RHE. Furthermore, compositional changes after CO2RR increase the catalytic surface area, confirming it as a Cu-Zn bimetallic heterogeneous electrode.
關鍵字(中)	★ 銅鋅合金 ★ 微陽極導引電鍍法 ★ 二氧化碳還原反應 ★ 乙醇 ★ 選擇性 ★ 法拉第效率	關鍵字(英)	★ Cu-Zn alloy ★ Micro-Anode Guided Electroplating ★ CO2 Reduction Reaction ★ Ethanol ★ Selectivity ★ Faradaic Efficiency
論文目次	摘要 i Abstract ii 致謝 iv 目錄 v 表目錄 ix 圖目錄 xiv 第一章 緒論 1 1-1 研究背景 1 1-2 研究動機與目的 2 第二章 文獻回顧 5 2-1 合金電鍍原理 5 2-2 微陽極導引電鍍法之發展 6 2-2-1 Cu-Zn合金微柱 6 2-2-2 析氫反應(Hydrogen Evolution Reaction, HER) 7 2-2-3 析氧反應(Oxygen Evolution Reaction, OER) 7 2-3 二氧化碳還原反應(Carbon Dioxide Reduction Reaction, CO2RR) 8 2-3-1 反應機制 8 2-3-2 產物 9 2-4 電催化劑 13 2-4-1 Cu-Au 13 2-4-2 Cu-Zn 14 2-4-3 Cu-Ag 16 2-4-4 Cu-Sn 17 第三章 研究方法 18 3-1 實驗架構 18 3-2 微陽極導引電鍍裝置 21 3-3 微陽極與陰極製備 21 3-4 藥品配方 22 3-5 材料特性分析 23 3-5-1 掃描式電子顯微鏡(Scanning Electron Microscopy, SEM) 23 3-5-2 能量散射光譜儀(Energy-Dispersive X-ray spectroscopy, EDS) 23 3-5-3 X光繞射儀(X-ray Diffractometer, XRD) 24 3-5-4 聚焦離子束(Focus Ion Beam, FIB) 25 3-5-5 穿透式電子顯微鏡(Transmission Electron Microscopy, TEM) 26 3-5-6 X光光電子能譜儀(X-ray Photoelectron Spectroscopy, XPS) 27 3-6 電化學分析 28 3-6-1 電化學系統 28 3-6-2 電化學活性表面積(Electrochemical Surface Area, ECSA) 29 3-6-3 線性掃描伏安法(Linear Sweep Voltammetry, LSV) 30 3-6-4 電化學阻抗頻譜(Electrochemical Impedance Spectroscopy, EIS) 30 3-6-5 計時電流法(Chronoamperometry, CA) 31 3-7 產物分析 31 3-7-1 氣相層析儀(Gas Chromatography, GC) 31 3-7-2 核磁共振儀(Nuclear Magnetic Resonance, NMR) 32 3-7-3 傅立葉轉換紅外光譜儀(Fourier-Transform Infrared Spectroscopy FTIR) 35 第四章 結果與討論 36 4-1 二氧化碳還原反應前後特性之探討 36 4-1-1 表面形貌分析 SEM 36 4-1-2 成分元素分析 EDX 42 4-1-3 晶體結構分析 XRD 46 4-1-4 顯微結構分析 TEM 65 4-1-5 表面元素分析 XPS 68 4-2 電催化性能之探討 72 4-2-1 電化學活性表面積 ECSA 72 4-2-2 線性掃描伏安法 LSV 78 4-2-3 電化學阻抗頻譜 EIS 82 4-2-4 計時電流法 CA 88 4-3 二氧化碳還原產物之探討 93 4-3-1 氣相產物定量分析 GC 93 4-3-2 液相產物定量分析 NMR 97 4-3-3 官能基結構鑑定 FTIR 106 4-3-4 二氧化碳還原反應之催化性能分析 107 第五章 結論與未來展望 109 參考文獻 110
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指導教授	林景崎(Jing-Chie Lin)	審核日期	2024-7-30
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