Facile preparation of WO3/PEDOT:PSS composite for inkjet printed electrochromic window and its performance for heat shielding

Cai Wan Chang-Jian; Er Chieh Cho; Shih Chieh Yen; Bo Cheng Ho; Kuen Chan Lee; Jen Hsien Huang; Yu Sheng Hsiao

doi:10.1016/j.dyepig.2017.09.026

Facile preparation of WO₃/PEDOT:PSS composite for inkjet printed electrochromic window and its performance for heat shielding

Cai Wan Chang-Jian
, Er Chieh Cho
, Shih Chieh Yen
, Bo Cheng Ho
, Kuen Chan Lee
, Jen Hsien Huang
, Yu Sheng Hsiao

Research output: Contribution to journal › Article › peer-review

73 Citations (Scopus)

Abstract

In this study, we have prepared an electrochromic (EC) ink composed of WO₃ nanoparticles and poly (3,4-ethylenedioxythiophene):poly (styrene sulfonate) (PEDOT:PSS). The ink formulation can be processed through inkjet-printing or spray coating to deposit high-quality EC layers. The PEDOT:PSS acts as an conductive binder to connect the WO₃ nanoparticles leading to reduced impedance and better electrochemical properties. The WO₃/PEDOT:PSS (PH1000) exhibits an optical modulation of 54.1%, a response time of 1.1 s, and a coloration efficiency of 83.87 cm²/C. A hybrid type electrochromic device (ECD) incorporated with WO₃/PEDOT:PSS with excellent durability has been fabricated. The performance of WO₃/PEDOT:PSS based ECD for sun shielding property is also evaluated. The ECD can efficiently block the sunlight and reduce solar heat gain. As a result, the indoor temperature can be modulated from 32.7 °C (bleached state) to 29.4 °C (darken state) under illumination.

Original language	English
Pages (from-to)	465-473
Number of pages	9
Journal	Dyes and Pigments
Volume	148
DOIs	https://doi.org/10.1016/j.dyepig.2017.09.026
Publication status	Published - Jan 2018

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

Keywords

Device
Electrochromic
Inkjet printing
PEDOT:PSS
Smart window
WO

ASJC Scopus subject areas

General Chemical Engineering
Process Chemistry and Technology

Access to Document

10.1016/j.dyepig.2017.09.026

Cite this

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title = "Facile preparation of WO3/PEDOT:PSS composite for inkjet printed electrochromic window and its performance for heat shielding",

abstract = "In this study, we have prepared an electrochromic (EC) ink composed of WO3 nanoparticles and poly (3,4-ethylenedioxythiophene):poly (styrene sulfonate) (PEDOT:PSS). The ink formulation can be processed through inkjet-printing or spray coating to deposit high-quality EC layers. The PEDOT:PSS acts as an conductive binder to connect the WO3 nanoparticles leading to reduced impedance and better electrochemical properties. The WO3/PEDOT:PSS (PH1000) exhibits an optical modulation of 54.1\%, a response time of 1.1 s, and a coloration efficiency of 83.87 cm2/C. A hybrid type electrochromic device (ECD) incorporated with WO3/PEDOT:PSS with excellent durability has been fabricated. The performance of WO3/PEDOT:PSS based ECD for sun shielding property is also evaluated. The ECD can efficiently block the sunlight and reduce solar heat gain. As a result, the indoor temperature can be modulated from 32.7 °C (bleached state) to 29.4 °C (darken state) under illumination.",

keywords = "Device, Electrochromic, Inkjet printing, PEDOT:PSS, Smart window, WO",

author = "Chang-Jian, \{Cai Wan\} and Cho, \{Er Chieh\} and Yen, \{Shih Chieh\} and Ho, \{Bo Cheng\} and Lee, \{Kuen Chan\} and Huang, \{Jen Hsien\} and Hsiao, \{Yu Sheng\}",

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year = "2018",

month = jan,

doi = "10.1016/j.dyepig.2017.09.026",

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AU - Chang-Jian, Cai Wan

AU - Cho, Er Chieh

AU - Yen, Shih Chieh

AU - Ho, Bo Cheng

AU - Lee, Kuen Chan

AU - Huang, Jen Hsien

AU - Hsiao, Yu Sheng

PY - 2018/1

Y1 - 2018/1

N2 - In this study, we have prepared an electrochromic (EC) ink composed of WO3 nanoparticles and poly (3,4-ethylenedioxythiophene):poly (styrene sulfonate) (PEDOT:PSS). The ink formulation can be processed through inkjet-printing or spray coating to deposit high-quality EC layers. The PEDOT:PSS acts as an conductive binder to connect the WO3 nanoparticles leading to reduced impedance and better electrochemical properties. The WO3/PEDOT:PSS (PH1000) exhibits an optical modulation of 54.1%, a response time of 1.1 s, and a coloration efficiency of 83.87 cm2/C. A hybrid type electrochromic device (ECD) incorporated with WO3/PEDOT:PSS with excellent durability has been fabricated. The performance of WO3/PEDOT:PSS based ECD for sun shielding property is also evaluated. The ECD can efficiently block the sunlight and reduce solar heat gain. As a result, the indoor temperature can be modulated from 32.7 °C (bleached state) to 29.4 °C (darken state) under illumination.

AB - In this study, we have prepared an electrochromic (EC) ink composed of WO3 nanoparticles and poly (3,4-ethylenedioxythiophene):poly (styrene sulfonate) (PEDOT:PSS). The ink formulation can be processed through inkjet-printing or spray coating to deposit high-quality EC layers. The PEDOT:PSS acts as an conductive binder to connect the WO3 nanoparticles leading to reduced impedance and better electrochemical properties. The WO3/PEDOT:PSS (PH1000) exhibits an optical modulation of 54.1%, a response time of 1.1 s, and a coloration efficiency of 83.87 cm2/C. A hybrid type electrochromic device (ECD) incorporated with WO3/PEDOT:PSS with excellent durability has been fabricated. The performance of WO3/PEDOT:PSS based ECD for sun shielding property is also evaluated. The ECD can efficiently block the sunlight and reduce solar heat gain. As a result, the indoor temperature can be modulated from 32.7 °C (bleached state) to 29.4 °C (darken state) under illumination.

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KW - Inkjet printing

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KW - Smart window

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