奈米材料不論在光學、生物科技、微電子元件或半導體等科技上均 有良好的發展潛能，奈米材料可使材料密度或元件使用密度大大地提 高。本論文利用簡便之電化學製程，製作氧化鋁與氧化鈦奈米管，並將 其配合在合金奈米線、表面自我清潔與染料吸附之模板應用上。鋁與鈦 表面經陽極處理於特定實驗參數控制下，可得ㄧ規則排列之氧化鋁 和氧化鈦奈米管結構，此結構適用於模板材。利用氧化鋁模板製得 的金-矽共晶合金具有單晶結構，單晶金-矽共晶奈米線中其組成乃由奈 米級(20nm)的金與矽顆粒所組成。
鈦金屬表面會自然形成一奈米(nm)級之氧化層，至於則厚度為毫米 (µm)級之氧化層，可利用陽極處理法或熱處理法產生。陽極處理使鈦基 材表面產生一規則性之TiO2奈米管，於陽極處理條件中，較高的電解液 溫度、氟離子濃度、pH 值、與較長的陽極處理時間，可成長較厚的 ATO 層，而較高的外加電壓值可得較大的 ATO 管徑。熱處理使鈦基材表面產 生一緻密性之TiOx氧化層，TiO2奈米管經450oC 熱處理後，可由非結晶 相之 TiO2相變化為銳鈦相之 TiO2，熱處理後將使 Ti-ATO 介面生成一 TiOx氧化層，此氧化層結構經熱力學反應式之氧分壓值評估後，其在鈦 基材上之結構順序則依序為 TiO2、TiO、Ti2O3、Ti3O5、與 Ti4O7等氧化
利用水珠於 TiO2表面之接觸角特性，可評估 TiO2表面之自我清潔 效應。經熱處理所產生之TiO2薄膜，其顯微結構為緻密性之薄膜。該薄 膜經功率為2 mW/cm2之紫外光照射20 min 後，其固-液介面之接觸角由 51.5o降至0o；然而，鈦經陽極處理後所產生的薄膜，其顯微結構為具規 則排列性之奈米管結構，因該薄膜具極大之表面積與毛細管特性，因此 不需經紫外光照射，其固-液介面之接觸角即可達 0o。經熱處理於鈦板 上所生成的緻密性二氧化鈦，對於敏化染料的吸附能力有限，經已具 奈米管結構之二氧化鈦薄膜測試比對後，因奈米管結構的大表面積使 得染料的吸附性大增，染料的吸附性也正比於奈米管之管長。
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