Constant phase angle behavior of SnO2/WO3 thin film electrodes in anhydrous LiClO4-propylene carbonate electrolyte
Identifieur interne : 020692 ( Main/Repository ); précédent : 020691; suivant : 020693Constant phase angle behavior of SnO2/WO3 thin film electrodes in anhydrous LiClO4-propylene carbonate electrolyte
Auteurs : RBID : Pascal:93-0621472Abstract
Electrochromism in WO3 evaporated thin films can be used in many practical devices. These systems are made of tungsten trioxide vacuum evaporated onto transparent and conductive substrates, ie fluorine doped tin oxide (SnO2:F) or indium-tin oxide (ITO). In this study, impedance spectroscopy is used to characterize the bilayered electrode. A constant phase angle (CPA) behavior in the low frequency range and a pseudo-capacitive-resistive parallel electrical circuit at intermediate frequency are observed. The influence on the impedance data of the amplitude of the ac signal, the cell temperature and the electrode geometry is studied. This approach allows us to present an electrical model for these bilayered non-colored electrodes
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Constant phase angle behavior of SnO<sub>2</sub>/WO<sub>3</sub> thin film electrodes in anhydrous LiClO<sub>4</sub>-propylene carbonate electrolyte</title><author><name sortKey="Bohnke, C" uniqKey="Bohnke C">C. Bohnke</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>CNRS, U.F.R. sci. tech., U.A. 436 lab. electrodimie solides</s1><s2>25030 Besançon</s2><s3>FRA</s3></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Franche-Comté</region><settlement type="city">Besançon</settlement></placeName></affiliation></author><author><name sortKey="Bohnke, O" uniqKey="Bohnke O">O. Bohnke</name></author><author><name sortKey="Vuillemin, B" uniqKey="Vuillemin B">B. Vuillemin</name></author></titleStmt><publicationStmt><idno type="inist">93-0621472</idno><date when="1993">1993</date><idno type="stanalyst">PASCAL 93-0621472 INIST</idno><idno type="RBID">Pascal:93-0621472</idno><idno type="wicri:Area/Main/Corpus">01FF05</idno><idno type="wicri:Area/Main/Repository">020692</idno></publicationStmt><seriesStmt><idno type="ISSN">0013-4686</idno><title level="j" type="abbreviated">Electrochim. acta</title><title level="j" type="main">Electrochimica acta</title></seriesStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Electrochromism in WO<sub>3</sub> evaporated thin films can be used in many practical devices. These systems are made of tungsten trioxide vacuum evaporated onto transparent and conductive substrates, ie fluorine doped tin oxide (SnO<sub>2</sub>:F) or indium-tin oxide (ITO). In this study, impedance spectroscopy is used to characterize the bilayered electrode. A constant phase angle (CPA) behavior in the low frequency range and a pseudo-capacitive-resistive parallel electrical circuit at intermediate frequency are observed. The influence on the impedance data of the amplitude of the ac signal, the cell temperature and the electrode geometry is studied. This approach allows us to present an electrical model for these bilayered non-colored electrodes</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0013-4686</s0></fA01><fA02 i1="01"><s0>ELCAAV</s0></fA02><fA03 i2="1"><s0>Electrochim. acta</s0></fA03><fA05><s2>38</s2></fA05><fA06><s2>14</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>Constant phase angle behavior of SnO<sub>2</sub>/WO<sub>3</sub> thin film electrodes in anhydrous LiClO<sub>4</sub>-propylene carbonate electrolyte</s1></fA08><fA11 i1="01" i2="1"><s1>BOHNKE (C.)</s1></fA11><fA11 i1="02" i2="1"><s1>BOHNKE (O.)</s1></fA11><fA11 i1="03" i2="1"><s1>VUILLEMIN (B.)</s1></fA11><fA12 i1="01" i2="1"><s1>MACDONALD (Digly D.)</s1><s9>ed.</s9></fA12><fA14 i1="01"><s1>CNRS, U.F.R. sci. tech., U.A. 436 lab. electrodimie solides</s1><s2>25030 Besançon</s2><s3>FRA</s3></fA14><fA15 i1="01"><s1>Pennsylvania State univ., cent. advanced materials</s1><s2>University Park PA 16802</s2><s3>USA</s3></fA15><fA20><s1>1935-1940</s1></fA20><fA21><s1>1993</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>1516</s2><s5>354000047464350180</s5></fA43><fA44><s0>0000</s0></fA44><fA45><s0>20 ref.</s0></fA45><fA47 i1="01" i2="1"><s0>93-0621472</s0></fA47><fA60><s1>P</s1><s2>C</s2></fA60><fA61><s0>A</s0></fA61><fA64 i2="1"><s0>Electrochimica acta</s0></fA64><fA66 i1="01"><s0>GBR</s0></fA66><fC01 i1="01" l="ENG"><s0>Electrochromism in WO<sub>3</sub> evaporated thin films can be used in many practical devices. These systems are made of tungsten trioxide vacuum evaporated onto transparent and conductive substrates, ie fluorine doped tin oxide (SnO<sub>2</sub>:F) or indium-tin oxide (ITO). In this study, impedance spectroscopy is used to characterize the bilayered electrode. A constant phase angle (CPA) behavior in the low frequency range and a pseudo-capacitive-resistive parallel electrical circuit at intermediate frequency are observed. The influence on the impedance data of the amplitude of the ac signal, the cell temperature and the electrode geometry is studied. This approach allows us to present an electrical model for these bilayered non-colored electrodes</s0></fC01><fC02 i1="01" i2="X"><s0>001C01H08</s0></fC02><fN21><s1>306</s1></fN21></pA><pR><fA30 i1="01" i2="1" l="ENG"><s1>International symposium on electrochemical impedance spectroscopy</s1><s2>2</s2><s3>Santa Barbara CA USA</s3><s4>1992-07</s4></fA30></pR></standard></inist></record>Pour manipuler ce document sous Unix (Dilib)
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