Effect of micro-patterned fluorine-doped tin oxide films on electrochromic properties of Prussian blue films
- Effect of micro-patterned fluorine-doped tin oxide films on electrochromic properties of Prussian blue films
- 이규하; 김아영; 박지훈; 정훈기; 최원창; 이화영; 이중기
- Electrochromic device; Prussian blue; Micro-patterning technology; Fluorine-doped tin oxide; Smart windowa
- Issue Date
- Applied surface science
- VOL 313, 864-869
- The effect of interface morphology on electrochromic characteristics was examined for an electrochromicdevice (ECD). Micro-patterned fluorine-doped tin oxide (FTO) films were fabricated using a photolitho-graphy process. Prussian blue (PB) films were then deposited on the patterned FTO films. The surfaceareas of both PB films and FTO films were increased by patterning. ECDs were assembled using patternedPB/FTO films as the electrochromic electrode, bare FTO films as the counter electrode, and an electrolytecontaining LiClO4 salt. The increased effective surface area of the patterned PB/FTO electrode boostedthe mobility of ions at the interphase between the electrolyte and PB electrode, and the electron transferbetween PB films and FTO films. As a result, electrochromic properties such as transmittance and responsetime were significantly improved by employing the patterned FTO films as the transparent conductiveoxide layer of the electrochromic electrode.
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