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ACS Appl Mater Interfaces
; 14(6): 8157-8162, 2022 Feb 16.
Article
in English
| MEDLINE
| ID: mdl-35107971
ABSTRACT
Prussian white (PW), due to its low cost, easy synthesis, open structure, and fast ion extraction/interaction, is introduced to the electrochromic field. The PW films were successfully grown on indium tin oxide (ITO) glass by a facial hydrothermal method. Impressively, the PW film exhibits excellent electrochemical cycling stability without obvious decay over 10â¯000 cycles and a high coloration efficiency of 149.3 cm2 C-1. The film also provides the large optical transmittance contrast (over 70%) in a wide wavelength range of 650-800 nm. Furthermore, the PW film shows the rapid coloration and bleaching response. These results suggest that PW is a promising practical candidate of high-performance electrochromic material.