Electrochemical characteristics of plasma treated materials for a high response rate as transparent electrochromic devices
- Electrochemical characteristics of plasma treated materials for a high response rate as transparent electrochromic devices
- 김아영; 차이룰 후다야; 박지훈; 최원창; 변동진; 이중기
- ECR-MOCVD; Elctrochromic device; FTO and Plasma treatment; ECDs
- Issue Date
- IUMRS-ICA 2012
- Plasma treated surface and charge efficiency between counter electrode and working electrode in the elctrochromic (EC) devices has been shown to be quickly changes that affect their electrical, optical and electrochemical performance. They have excellent potential applicability smart window, smart card, and display of cellular phone. EC devices consist of a solid state electrochromic thin film which is sandwiched between two layers of glass. Conventional EC devices comprise a glass substrate, a transparent electrode layer, a counter-electrode layer, an electrolyte layer, an EC layer, and a transparent electrode layer, which are sequentially formed on a glass substrate. Component of EC devices was similar to those of battery cells and indicate to thin layer devices, consisting of an EC layer (positive electrode)/electrolyte (Li+, H+)/counter-electrode layer (negative electrode). On passing a low voltage across the thin coating the electrochromic layer is activated and changes color from clear to dark. It is with this change in color that the glass controls its optical transmission properties. The plasma treated electrochromic is able to control solar radiation by absorbing the heat in its darkened state, though this can lead to heating of the glass.
In the present study, flourine doped tin oxide (FTO) as transparent electrode which is promising alternative ITO (Indium tin oxide) was employed in order to cope with the current issues of smart window. Our research group fabricated and characterized that a plasma treated solid-state electrochromic device on an incorporates poly-3,4-ethylenedioxythiophene (PEDOT), Prussian blue [Iron(III)hexacyanoferrate(II)] 1M LiClO4-PC(propylene carbonate) coated electroplating technique was demonstrated that FTO film as the patterned transparent electrode layer on plastic and glass substrate was deposited by ECR-MOCVD in Fig. 1.
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