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

研究成果: 雜誌貢獻文章

29 引文 斯高帕斯(Scopus)

摘要

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.

原文英語
頁(從 - 到)465-473
頁數9
期刊Dyes and Pigments
148
DOIs
出版狀態已發佈 - 一月 1 2018

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Process Chemistry and Technology

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