2018
DOI: 10.1038/s42004-018-0075-2
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Transparent-to-dark photo- and electrochromic gels

Abstract: Smart windows in which the transmittance can be controlled on demand are a promising solution for the reduction of energy use in buildings. Windows are often the most energy inefficient part of a building, and so controlling the transmittance has the potential to significantly improve heating costs. Whilst numerous approaches exist, many suitable materials are costly to manufacture and process and so new materials could have a significant impact. Here we describe a gel-based device which is both photo-and elec… Show more

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Cited by 29 publications
(39 citation statements)
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“…The different aromatic as well as aliphatic molecules such as pyrene, perylene diimides, tetraphenylethylene, diketopyrrolopyrrole, D-xyloside, L-rhamnose are utilized for the fabrication of nanostructures via selfassembly. [17À 19] It is well known that naphthalene diimides (NDIs) [20] are widely used building blocks for the fabrication of different nanostructures such as nanofibers, [21] nanotubes, [22] nanoflowers [23] and chiral materials. [24] NDIs are π-conjugated planar aromatic compound exhibiting n-type semiconducting properties and are employed in OFETs, [25] OLEDs [26] and solar cell [27] applications.…”
Section: Introductionmentioning
confidence: 99%
“…The different aromatic as well as aliphatic molecules such as pyrene, perylene diimides, tetraphenylethylene, diketopyrrolopyrrole, D-xyloside, L-rhamnose are utilized for the fabrication of nanostructures via selfassembly. [17À 19] It is well known that naphthalene diimides (NDIs) [20] are widely used building blocks for the fabrication of different nanostructures such as nanofibers, [21] nanotubes, [22] nanoflowers [23] and chiral materials. [24] NDIs are π-conjugated planar aromatic compound exhibiting n-type semiconducting properties and are employed in OFETs, [25] OLEDs [26] and solar cell [27] applications.…”
Section: Introductionmentioning
confidence: 99%
“…17). 195 When this gel was exposed to sunlight or irradiated by 365 nm light, the gel darken due to the formation of the radical anion. Generation of NDI-radical anions that turned the transparent gel into black could also be achieved electrochemically.…”
Section: (Iii) Uv Light Induced Reactionmentioning
confidence: 99%
“…[3,4] To decrease the impact of indoor heating and cooling on the environment, environmentally friendly and energy-saving alternatives are urgently needed. To date, several alternative technologies combining adaptive heating and cooling in one system have been developed, including smart windows, [5][6][7][8][9][10][11][12][13][14] Janus membranes, [15,16] and solar chimneys commercially available poly(dimethylsiloxane) (PDMS) precursor followed by curing in air ( Figure S1, Supporting Information). Similar to normal PDMS precursors, the emulsion needs about 6 days at room temperature to get fully cured, but could solidify within the first 20 min, accompanied by the fixation of the embedded water droplets.…”
Section: Doi: 101002/adma202000870mentioning
confidence: 99%