在本篇研究論文中以兩階段水熱法在FTO基板上合成BaTiO3 奈米柱，並用光還原法使奈米柱結合Ag 奈米顆粒。文中亦探討了複合物在模擬太陽光下的光電化學水分解表現。透過XRD、SEM、TEM及XPS等等確認了結晶相、表面形貌以及元素價態分析。在UV-vis 分析中得到BaTiO3的能隙約為3.18 eV，複合物約為2.5eV。由於奈米銀的表面等離子體效應得以拓展可見光範圍的吸收。透過Mott-Schottky 跟Open-circuit potential 的分析得知了BaTiO3與BaTiO3-Ag皆為N-type。整合UPS與 UV-vis 的數據畫出了能帶圖。在光電化學水分解的實驗中，發現施加超聲波與玻璃附載的BaTiO3-Ag樣品在0.6V下達到0.5%的APBE%。意味著透過與Ag奈米顆粒的結合可以提高BaTiO3在模擬態陽光下的應用。

BaTiO3 nanorods were fabricated on fluorine-doped tin oxide (FTO) substrates through two-step hydrothermal synthesis and further combined with Ag nanoparticles through photoreduction method. The crystalline phase, morphology, and valance states of the constituent elements were characterized by XRD, SEM, TEM, and XPS. UV-vis results indicated that the band gap of the BaTiO3 and BaTiO3-Ag were approximately 3.18 and 2.5 eV, respectively. The increase in the absorbance in the visible light region for the BaTiO3-Ag composite was attributable to the surface plasmon resonance. Through Mott-Schottky and Open circuit potential measurement, the n-type conduction type of our samples was observed. On a basis of the UPS and UV-Vis results, an associated energy band diagram of the composite was constructed. For the photoelectrochemical water splitting, the APBE reached approximately 0.5% at 0.6 V under ultrasonication and the loading of a piece of glass for the BaTiO3-Ag, indicating the excellent performance in the piezo-photocatalysis.

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