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Electrochromic property improvement of WO3 films by using PEDOT:PSS-AgNWs/ITO counter electrode.

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Title: Electrochromic property improvement of WO3 films by using PEDOT:PSS-AgNWs/ITO counter electrode.
Authors: Huang, Jung-Jie1 (AUTHOR) jjhuang@mail.dyu.edu.tw, Huang, Chien-Sheng2 (AUTHOR), Ho, Ying-Rong3 (AUTHOR), Wu, Yu-Qi2 (AUTHOR)
Source: Materials Letters. Nov2021, Vol. 303, pN.PAG-N.PAG. 1p.
Subjects: Tungsten electrodes, Electrodes, Tungsten trioxide, Oxidation-reduction reaction, Tin oxides, Nanowires
Abstract: • PEDOT:PSS-AgNWs/ITO was used as counter electrode for electrochromic device. • The counter electrode reduces the concentration polarization when EC devices undergo redox reactions. • WO 3 EC devices had a high CE of 77.17 cm2/C by using the counter electrode. • This method is highly suitable for developing high-performance EC devices in the future. When electrodes react with an electrolyte, electrochromic (EC) devices undergo concentration polarization, which deteriorates EC device performance. Therefore, this study used poly 3,4-ethylenedioxythiophene polystyrene sulfonate (PEDOT:PSS) – silver nanowires (AgNWs)/indium tin oxide (ITO) as the counter electrodes of tungsten trioxide (WO 3) EC devices. PEDOT:PSS-AgNWs/ITO exhibits favorable conductivity and light transmittance. In addition, AgNWs reduce the concentration polarization when EC devices undergo redox reactions, which results in an increase in the reversibility of ions entering the active layer of WO 3 in an electrolyte. After using WO 3 EC devices coated with PEDOT:PSS-AgNWs/ITO as counter electrodes, the transmittance modulation (ΔT), charge density (ΔOD), and coloration efficiency (CE) increased from 49.65% to 56.03%, 0.41 to 0.48, and 50.18 to 77.17 cm2/C, respectively. [ABSTRACT FROM AUTHOR]
Copyright of Materials Letters is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Electrochromic property improvement of WO3 films by using PEDOT:PSS-AgNWs/ITO counter electrode.
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  Data: <searchLink fieldCode="AR" term="%22Huang%2C+Jung-Jie%22">Huang, Jung-Jie</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> jjhuang@mail.dyu.edu.tw</i><br /><searchLink fieldCode="AR" term="%22Huang%2C+Chien-Sheng%22">Huang, Chien-Sheng</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ho%2C+Ying-Rong%22">Ho, Ying-Rong</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wu%2C+Yu-Qi%22">Wu, Yu-Qi</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Materials+Letters%22">Materials Letters</searchLink>. Nov2021, Vol. 303, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Tungsten+electrodes%22">Tungsten electrodes</searchLink><br /><searchLink fieldCode="DE" term="%22Electrodes%22">Electrodes</searchLink><br /><searchLink fieldCode="DE" term="%22Tungsten+trioxide%22">Tungsten trioxide</searchLink><br /><searchLink fieldCode="DE" term="%22Oxidation-reduction+reaction%22">Oxidation-reduction reaction</searchLink><br /><searchLink fieldCode="DE" term="%22Tin+oxides%22">Tin oxides</searchLink><br /><searchLink fieldCode="DE" term="%22Nanowires%22">Nanowires</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: • PEDOT:PSS-AgNWs/ITO was used as counter electrode for electrochromic device. • The counter electrode reduces the concentration polarization when EC devices undergo redox reactions. • WO 3 EC devices had a high CE of 77.17 cm2/C by using the counter electrode. • This method is highly suitable for developing high-performance EC devices in the future. When electrodes react with an electrolyte, electrochromic (EC) devices undergo concentration polarization, which deteriorates EC device performance. Therefore, this study used poly 3,4-ethylenedioxythiophene polystyrene sulfonate (PEDOT:PSS) – silver nanowires (AgNWs)/indium tin oxide (ITO) as the counter electrodes of tungsten trioxide (WO 3) EC devices. PEDOT:PSS-AgNWs/ITO exhibits favorable conductivity and light transmittance. In addition, AgNWs reduce the concentration polarization when EC devices undergo redox reactions, which results in an increase in the reversibility of ions entering the active layer of WO 3 in an electrolyte. After using WO 3 EC devices coated with PEDOT:PSS-AgNWs/ITO as counter electrodes, the transmittance modulation (ΔT), charge density (ΔOD), and coloration efficiency (CE) increased from 49.65% to 56.03%, 0.41 to 0.48, and 50.18 to 77.17 cm2/C, respectively. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Materials Letters is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.matlet.2021.130479
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        Text: English
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      – SubjectFull: Electrodes
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      – SubjectFull: Tungsten trioxide
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      – SubjectFull: Oxidation-reduction reaction
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      – SubjectFull: Tin oxides
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      – SubjectFull: Nanowires
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      – TitleFull: Electrochromic property improvement of WO3 films by using PEDOT:PSS-AgNWs/ITO counter electrode.
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            NameFull: Huang, Jung-Jie
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            NameFull: Ho, Ying-Rong
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              Text: Nov2021
              Type: published
              Y: 2021
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