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Dynamic Windows Using Reversible Zinc Electrodeposition in Neutral Electrolytes with High Opacity and Excellent Resting Stability

机译:动态窗口在中性电解质中使用可逆锌电沉积,具有高不透明度和优异的静止稳定性

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Dynamic windows, which electronically switch between clear and dark states, can play a vital role in energy-efficient buildings by reducing lighting, heating, and cooling demands. In this manuscript, reversible Zn electrodeposition on tin-doped indium oxide electrodes is studied and a mechanism is proposed that explains the deposition and dissolution processes. This mechanistic understanding enables the construction of 100 cm(2) two-electrode devices that transition from clear (80% transmission at 600 nm) to highly opaque (0.1% transmission at 600 nm) in less than 20 s. Additionally, the dynamic windows utilize a pH-neutral electrolyte, which enables them to switch without degradation over the course of four weeks. The high opacity and stability of the Zn-based devices represent significant improvements over existing switchable thin films based on the reversible electrodeposition of more noble metals such as Bi and Cu.
机译:动态窗口,通过降低照明,加热和冷却需求,在清晰和黑暗状态之间电子方式切换,可以在节能建筑中发挥重要作用。 在该原稿中,研究了锡掺杂氧化铟氧化物电极上的可逆Zn电沉积,提出了一种解释沉积和溶解过程的机理。 这种机械理论能够建造100厘米(2)个二极管的结构,该装置从澄清(600nm以600nm的80%)过渡到高度不透明(& 0.1%在600nm处的透射),在少于20秒。 此外,动态窗口利用pH - 中性电解液,使它们能够在四周内不会降低劣化。 基于Zn的装置的高不透明度和稳定性代表了基于诸如Bi和Cu的更贵金属的可逆电沉积的现有可切换薄膜的显着改进。

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