於本研究中，以水分解產氫，希冀以「氫」替代傳統石化燃料的再生能源。
研究主要分為製程與量測兩部分。製程上利用半導體技術，完成不同長度1 μm、
3 μm與12 μm之矽微米柱陣列，最大特點在於製程穩定性高。接著利用化學溶液 以浸泡方式還原銀粒子於微米柱上，呈皇冠狀。
量測上，由光吸收得知修飾銀粒子後，紫外光波段吸收強度大幅提升，可見 光與紅外光因矽微米柱受銀粒子遮蔽而吸收強度減小。而開路電壓隨銀粒子修飾 量增加而減小，電流最大值在修飾秒數為30秒，電壓-1 V時，電流值約42 mA/cm2。 其主要貢獻於共催化劑之效應與表面電漿共振效應增加光電流值。
本研究於未來可改善之方向，可能為調整硝酸銀與氫氟酸之濃度與浸泡時間，
或者於浸泡溶液時利用超音波震盪，減少積聚於矽微米柱陣列內之空氣，使銀粒 子粒徑一致且均勻分布於矽微米柱之表面。此外，也可修飾金 (Au) 或銅 (Au) 同 為產生表面電漿共振之金屬粒子減低開路電壓與增加光電流，增加產氫效率。
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