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首页> 外文会议>Symposium on electrochromic and chromogenic materials >Electrochromic behavior of Ni_(1-x)O thin films in various electrolytes
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Electrochromic behavior of Ni_(1-x)O thin films in various electrolytes

机译：各种电解质中Ni_（1-x）O薄膜的电致变色行为

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The present study is focused on alternative electrolytes for electrochromic devices using ionic liquids made of different types of cations as well as free of small cations. In particular, we report the electrochromic behavior of non-stoichiometric nickel oxide thin films grown by reactive RF magnetron sputtering at room temperature in various oxygen partial pressures, namely 2% and 10% P(O_2/Ar+O_2). Whatever the electrolyte composition, upon oxidation, the reversible optical properties from transparent to brownish remains, associated however with different electrochemical responses. In addition, the influence of the conditions of deposition (i.e oxygen partial pressure) on the room temperature deposited thin films morphology, stoichiometry and crystallinity is discussed in relationship with their electrochromic behavior. Higher oxygen partial pressure leads to Ni_(1-x)O thin films showing higher density as well as larger Ni~(3+) content. Cycling in a wide range of ionic liquids electrolytes demonstrates similar optical transmittance modulation of 25% while various mechanisms from insertion to surface phenomena take place.
机译：本研究专注于使用由不同类型阳离子制成的离子液体以及不含小阳离子的离子液体的电致变色装置的替代电解质。特别地，我们报告了在室温下在室温下在室温下在室温下产生的非化学计量镍薄膜的电致变色行为，即2％和10％P（O_2 / AR + O_2）。无论电解质组合物在氧化时，可逆光学性质从透明到褐色仍然存在，但具有不同的电化学响应。此外，讨论了与其电致变色行为的关系析出沉积（即氧分压）对室温沉积薄膜形态，化学计量和结晶度的影响。较高的氧分压导致Ni_（1-x）O薄膜，显示较高的密度以及较大的Ni〜（3+）含量。在各种离子液体电解质中循环显示出类似的光学透射率调节25％，而从插入到表面现象的各种机制发生。

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