AIE-active electrochromic materials based on tetraphenylethylene cored benzoates with high optical contrast and coloration efficiency
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DOI: 10.1016/j.solmat.2019.110293
Abstract: Abstract In this work, a series of dual functional materials, 4,4′,4″,4‴-(ethene-1,1,2,2-tetrayl)tetrabenzoates (ETBAs), were developed with an aggregation-induced emission (AIE) luminogenic center (tetraphenylethylene) and electrochromically active moieties (benzoates). The highest occupied molecular orbital and lowest unoccupied… read more here.
Keywords: high optical; coloration efficiency; optical contrast; spectroscopy ... See more keywords
Enhanced Coloration Efficiency of Electrochromic Tungsten Oxide Nanorods by Site Selective Occupation of Sodium Ions.
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DOI: 10.1021/acs.nanolett.0c00052
Abstract: Coloration efficiency is an important figure of merit in electrochromic windows. Though it is thought to be an intrinsic material property, we tune optical modulation by effective utilization of ion intercalation sites. Specifically, we enhance… read more here.
Keywords: coloration efficiency; sodium; site; sodium ions ... See more keywords
Construction of a vertically arrayed three-dimensional composite structure as a high coloration efficiency electrochromic film
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DOI: 10.1039/d0nj00331j
Abstract: Polyoxometalate-based electrochromic materials have been investigated for a long time due to their excellent redox reversibility while giving rise to colored mixed-valence state species. However, similar to traditional inorganic electrochromic materials, the response time and… read more here.
Keywords: structure; coloration efficiency; film; microscopy ... See more keywords
Differential coloration efficiency of electrochromic amorphous tungsten oxide as a function of intercalation level: Comparison between theory and experiment
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DOI: 10.1063/5.0010044
Abstract: Optical absorption in amorphous tungsten oxide ($\textit{a}\mathrm{WO}_{3}$), for photon energies below that of the band gap, can be rationalized in terms of electronic transitions between localized states. For the study of this phenomenon, we employed… read more here.
Keywords: intercalation; differential coloration; coloration efficiency; level ... See more keywords