An electrochromic device based on all-in-one polymer gel through in-situ thermal polymerization

A self-standing all-in-one electrochromic gel utilizing phenyl viologen (PV) and N,N,N′,N′-tetramethyl-1,4-phenylenediamine (TMPD) as the electrochromic materials is prepared by incorporating a thermo-cured cross-linked polymer matrix. The thermal-cured polymer matrix can prevent the agglomeration o...

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Bibliographic Details
Published in:Solar energy materials and solar cells 2016-02, Vol.145 (Part 1), p.61-68
Main Authors: Kao, Sheng-Yuan, Kung, Chung-Wei, Chen, Hsin-Wei, Hu, Chih-Wei, Ho, Kuo-Chuan
Format: Article
Language:English
Subjects:
Crosslinking
Cyclability
Devices
Electrochromic device (ECD)
Electrochromism
Electrodes
Low driving voltage
N,N,N′,N′-tetramethyl-p-phenylenediamine (TMPD)
Phenyl viologen
Phenyls
Photovoltaic cells
Polymerization
Solar cells
Thermal curing
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Summary:A self-standing all-in-one electrochromic gel utilizing phenyl viologen (PV) and N,N,N′,N′-tetramethyl-1,4-phenylenediamine (TMPD) as the electrochromic materials is prepared by incorporating a thermo-cured cross-linked polymer matrix. The thermal-cured polymer matrix can prevent the agglomeration of PV happening on the electrode surface, resulting in the excellent write–erase ability of the obtained gelated ECD. Moreover, the cross-linker which possesses the long propoxylated arms leads to the easier diffusion for both PV and TMPD in the obtained polymer network. As a result, the obtained ECD exhibits a large transmittance change (ΔT>67% at 620nm) within a short response time (
ISSN:0927-0248
1879-3398
DOI:10.1016/j.solmat.2015.04.012