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首页> 外文期刊>Romanian journal of physics >Annealed Bismuth and Antimony Trioxide Sandwich Films with Increased Refractive Index and Visible Range Energy Bandgap
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Annealed Bismuth and Antimony Trioxide Sandwich Films with Increased Refractive Index and Visible Range Energy Bandgap

机译:折射率和可见光能带隙增加的退火铋和三氧化锑夹心膜

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Bismuth trioxide thin films exhibit semiconducting behavior, with high energy bandgap and good photo- and gas sensitivity, but often complicated structures, which require post-deposition annealing. When deposited as sandwich heterostructures, such as with antimony trioxide, new properties arise. This paper presents the study of the thermal treatment on the properties of sandwich-type of Bi2O3and Sb2O3 films deposited on glass. The annealed heterostructures are uniform, with improved crystallinity and roughness decreased, together with increased transmittance, reflectance and refractive index. The energy bandgap changes slightly upon annealing, being situated in the visible region, recommending such structures for solar and photovoltaic cells.
机译:三氧化铋薄膜表现出半导体性能,具有高能带隙以及良好的光敏性和气体敏性,但通常是复杂的结构,需要沉积后退火。当沉积为夹心异质结构时,例如用三氧化二锑,会出现新的性能。本文介绍了热处理对沉积在玻璃上的夹心型Bi2O3和Sb2O3薄膜性能的研究。退火的异质结构是均匀的,具有改善的结晶度和粗糙度,以及增加的透射率,反射率和折射率。退火后,能带隙略有变化,位于可见光区域,建议将这种结构用于太阳能电池和光伏电池。

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