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|Type:||Artigo de periódico|
|Title:||Nanochromics: Old Materials, New Structures And Architectures For High Performance Devices|
Cordoba De Torresi S.I.
|Abstract:||Due to the development of nanoscience, the interest in electrochromism has increased and new assemblies of electrochromic materials at nanoscale leading to higher efficiencies and chromatic contrasts, low switching times and the possibility of color tuning have been developed. These advantages are reached due to the extensive surface area found in nanomaterials and the large amount of organic electrochromic molecules that can be easily attached onto inorganic nanoparticles, as TiO2 or SiO2. Moreover, the direct contact between electrolyte and nanomaterials produces high ionic transfer rates, leading to fast charge compensation, which is essential for high performance electrochromic electrodes. Recently, the layer-by-layer technique was presented as an interesting way to produce different architectures by the combination of both electrochromic nanoparticles and polymers. The present paper shows some of the newest insights into nanochromic science. ©2008 Sociedade Brasileira de Química.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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