Abstract A new structure for a switchable mirror device based on reversible electrodeposition is proposed. This device does not contain Cu ions in the electrolyte and adapts a counter electrode. The feasibility of the device was evaluated with a WO 3 film, which is a well-known electrochromic material, as a counter electrode. Even in the absence of Cu ions, the WO 3 film facilitates a clean erase feature in the device. Furthermore, using a pre-deposited Ag film as a working electrode, Ag deposition can be driven at a substantially lower voltage than that in conventional devices. Moreover the deposition current decreases with the progress of Ag deposition, and stops after completion of the deposition process. The results clearly indicate that the tri-bromine ion, which makes the self-erasing circulation, is not generated during Ag deposition process. The new switchable mirror shows excellent bistability and size scale-up is possible because it does not consume continuous current in the mirror state. By appling the proposed technology, a switchable mirror device with a 7 cm × 9 cm active area was successfully fabricated.

中文翻译：

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基于可逆电沉积的具有反电极的新型可切换镜面装置

摘要 提出了一种基于可逆电沉积的可切换镜面器件的新结构。该装置在电解液中不含铜离子并采用反电极。使用众所周知的电致变色材料WO 3 膜作为对电极来评估该装置的可行性。即使在没有 Cu 离子的情况下，WO 3 膜也有助于器件中的干净擦除特征。此外，使用预先沉积的 Ag 膜作为工作电极，可以在比传统器件低得多的电压下驱动 Ag 沉积。此外，沉积电流随着Ag沉积的进行而减小，并在沉积过程完成后停止。结果清楚地表明，使自擦除循环的三溴离子，在 Ag 沉积过程中不会产生。新的可切换反射镜显示出出色的双稳态性，并且由于在反射镜状态下不消耗连续电流，因此可以放大尺寸。通过应用所提出的技术，成功制造了具有 7 cm × 9 cm 有源面积的可切换镜面器件。