本研究主要為研發新型太陽能電池（New Solar Cell, NSC），成功開發出NSC系統的模型，並使用透過離子交換法合成的CuFeO2、溶膠凝膠法合成的Bi20TiO32，商業化的WO3和經過400 ℃，10 % H2氣氛的熱還原氧化石墨烯（reduced graphene oxide, rGO）作為光觸媒，以作為NSC的發電的來源。其中，T400_rGO光觸媒材料的前驅物，是藉由modified Hummers’ method製備而成的氧化石墨烯（graphene oxide, GO）。除了將GO熱還原成rGO，且以此作為光觸媒的用途之外，另外還藉由光觸媒於400 W汞燈照射下將GO還原，將此用以改善其它光觸媒本身較弱的導電性質。
光觸媒經由可見光照射，而產生光生電子電洞對。其中的光電子與電解質啟光電化學還原反應；電洞則與電解質發生光電化學氧化反應，最後用以發電。經由恆電位儀測試眾多NSC系統的結果，現階段以20_WPr與30_rGO系統的數據最佳，其所測得之最大開環電壓（open circuit voltage, Voc）為0.37 V，系統之反應面積為4.75 x 10-5 m2，故經過計算得到的最大短路電流密度（short circuit current density, Jsc）為8.6 x 10-3 A/m2，且填充因子（filling factor, FF）為34.3 %。

In this work a new solar cell (NSC) system is demonstrated for first time. The system is powered by ion exchange fabricated CuFeO2 and sol-gel synthesized Bi20TiO32 as photocathode and anode, respectively. The use of commercial WO3 and self-made hydrogen-assisted thermal reduced graphene oxide are also studied. The precursor of T400_rGO photocatalyst is made via a modified Hummers’ method. Besides playing a role as a photocatalyst, graphene oxide here also serves as a conductive framework by photo-reduction with other photocatalyst under a 400 W mercury lamp. This proves beneficial to the electron conductivity of photocatalysts.
Electron-hole pairs are generated while the photocatalyst is exposed to visible light. The photoelectron triggers the reduction reaction of the electrolyte and the holes participate in the photo-oxidation reaction which leads to power generation. After investigation by potential static equipment amongst several testing conditions the 20_WPr and 30_rGO show the best results. 0.37 V open circuit voltage is observed under a reaction area of 4.75 x 10-5 m2. It is found that the short circuit current density and filling factor are 8.6 x 10-3 A/m2 and 34.3 %, respectively.

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