Stable free-standing aramid resin film containing vanadium pentoxide and new colour electrochromism of the film by electrodeposition of gold

作者: Jun Yano , Tomoyuki Hirayama , Sumio Yamasaki , Suzuko Yamazaki , Yoshinori Kanno

DOI: 10.1016/S1388-2481(01)00126-6

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摘要: Abstract Vanadium pentoxide (V 2 O 5 ) was electrodeposited on a poly( p -phenylene terephtalamide) (PPTA)-film coated electrode. The cyclic voltammogram of the film had reversible redox current peak. dark green in reduced state and yellow oxidized state. To obtain new colour, gold further film. Not only peak but also shoulder appeared obtained film, it exhibited multicoloured electrochromism: blackish green ↔ dark green ↔ green ↔  bright red. red colour first for V were probably due to Au y partially formed during electrodeposition gold. accompanied by egress ingress Li + ions change.

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