2007
DOI: 10.1002/anie.200603554
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A Thermally Adjustable Multicolor Photochromic Hydrogel

Abstract: A rainbow of possibilities: A porous polymer gel undergoes light‐triggered rapid two‐state switching between two arbitrary structural colors at a controlled temperature (see picture; “on”: upon UV irradiation, “off”: in the dark). This switching is attributed to a change between two volume states. As the temperature also contributes to the degree of swelling of the gel, the color of the gel can be tuned thermally over a wide range of wavelengths.

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Cited by 273 publications
(216 citation statements)
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References 26 publications
(28 reference statements)
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“…[101,102] Meanwhile, such periodically ordered colloidal particles can also act as removable templates so that ordered macroporous structures of hydrogels can be constructed (Figure 7a). [103][104][105][106][107][108][109] The size of the macropores can be easily controlled by tuning the diameter of the colloidal particle templates. Because of the features of the ordered porous structures, macroporous hydrogels hold immense promise as a unique platform for application for tissue-engineering scaffolds and sensors.…”
Section: Self-assemblymentioning
confidence: 99%
“…[101,102] Meanwhile, such periodically ordered colloidal particles can also act as removable templates so that ordered macroporous structures of hydrogels can be constructed (Figure 7a). [103][104][105][106][107][108][109] The size of the macropores can be easily controlled by tuning the diameter of the colloidal particle templates. Because of the features of the ordered porous structures, macroporous hydrogels hold immense promise as a unique platform for application for tissue-engineering scaffolds and sensors.…”
Section: Self-assemblymentioning
confidence: 99%
“…The stability, biocompatibility, and quenching efficacy of this nanocomposite open a different perspective for cell imaging in different independent colors, sequentially and simultaneously. Despite the efforts of the scientists on developing multicolor photochromic systems, most of them are based on polymers, [39] single crystals [207] or organogels [209,210] containing organic moieties (no organic-inorganic hybrids), and they still present strong limitations for a real implementation in commercial devices.…”
Section: Figure 12mentioning
confidence: 99%
“…[8][9][10][11] The most important flexible electrochromic materials are the intrinsically conducting polymers (ICPs), which undergo a spectral transition in the visible range when doped/undoped by ions.…”
Section: 7mentioning
confidence: 99%