Electrochemical characteristics of plasma treated materials for a high response rate as transparent electrochromic devices

Title
Electrochemical characteristics of plasma treated materials for a high response rate as transparent electrochromic devices
Authors
김아영차이룰 후다야박지훈최원창변동진이중기
Keywords
ECR-MOCVD; Elctrochromic device; FTO and Plasma treatment; ECDs
Issue Date
2012-08
Publisher
IUMRS-ICA 2012
Abstract
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.
URI
http://pubs.kist.re.kr/handle/201004/43066
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KIST Publication > Conference Paper
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