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首页> 外文期刊>Materia >Monochromatic double coloring effect on V2O5 thin films deposited by electron beam
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Monochromatic double coloring effect on V2O5 thin films deposited by electron beam

机译：电子束沉积的V2O5薄膜对单色双重作用

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Electrochromic material is a thin film technology that has a close relationship with environmental sustainability since they can control the light and heat that enter and leave a building. Vanadium oxide films are electrochemically active for lithium and electron co-intercalation, presenting low optical variation in the low energy visible light, which is suitable for application as a passive electrode in the electrochromic devices. The spectral double coloration of vanadium oxide thin film has been investigated but the monochromatic, in particular, for high photons energy, remains poorly explored. To understand the optical behavior of the vanadium oxide films, in high photons energy (E 2.0 eV), films were opto-electrochemically investigated. The films were electron beam deposited and modified by heat treatment in an inert atmosphere. All samples show crystallographic orientation in a [110] direction, and the charge capacity showed to be dependent on the film conditioning. The charge capacity of the as-grown film is about 6 mC while for the film heat-treated at 100 ?oC it is five times higher. The vanadium oxide films showed reversible Li+ intercalation, presenting a double spectral and monochromatic coloration. It was concluded that for low energy photons the small polaron model fully explains the phenomenon of double monochromatic coloration, and, for high-energy, the monochromatic double coloration is due to the crystallographic phase transition.
机译：电致变色材料是一种薄膜技术，与环境可持续性有密切的关系，因为它们可以控制进入并留下建筑物的光线和热量。氧化钒膜是电化学活性的锂和电子共嵌入，呈现低能量可见光的低光学变化，其适用于作为电致变色装置中的无源电极。研究了氧化钒薄膜的光谱双色，但是单色，特别是对于高光子能量，仍然难以探索。为了了解氧化钒膜的光学行为，在高光子能量（E> 2.0eV）中，薄膜被光学化学研究。通过在惰性气氛中通过热处理沉积和改性薄膜。所有样品都显示在[110]方向上的晶体取向，并且电荷容量显示依赖于薄膜调理。生长薄膜的充电容量为约6mc，同时在100Ωoc下热处理的薄膜是5倍。氧化钒膜显示出可逆的Li +插层，呈现双光谱和单色着色。得出结论：对于低能量光子，小极化型模型完全解释了双单色着色的现象，并且对于高能量，单色双色着色是由于晶体相转变。

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