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Chiral Nematic Stained Glass: Controlling the Optical Properties of Nanocrystalline Cellulose-Templated Materials

التفاصيل البيبلوغرافية
العنوان: Chiral Nematic Stained Glass: Controlling the Optical Properties of Nanocrystalline Cellulose-Templated Materials
المؤلفون: Joel A. Kelly, Kevin E. Shopsowitz, Wadood Y. Hamad, Mark J. MacLachlan, Jun Myun Ahn
المصدر: Langmuir. 28:17256-17262
بيانات النشر: American Chemical Society (ACS), 2012.
سنة النشر: 2012
مصطلحات موضوعية: Materials science, Ionic bonding, Nanoparticle, Surfaces and Interfaces, Mesoporous silica, Condensed Matter Physics, Nanocrystalline material, law.invention, chemistry.chemical_compound, chemistry, Chemical engineering, Liquid crystal, law, Electrochemistry, Organic chemistry, General Materials Science, Calcination, Cellulose, Mesoporous material, Spectroscopy
الوصف: Chiral nematic mesoporous materials decorated with metal nanoparticles have been prepared using the templated self-assembly of nanocrystalline cellulose (NCC). By adding small quantities of ionic compounds to aqueous dispersions of NCC and tetramethoxysilane (TMOS), the helical pitch of the chiral nematic structure could be manipulated in a manner complementary to the ratio of NCC/TMOS previously demonstrated by our group. We have studied the transformation of these ion-loaded composites into high surface area mesoporous silica and carbon films decorated with metal nanoparticles through calcination and carbonization, respectively. This general and straightforward approach to prepare chiral nematic metal nanoparticle assemblies may be useful in a variety of applications, particularly for their chiral optical properties.
تدمد: 1520-5827
0743-7463
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::06001378d37409a983baa32459ed587d
https://doi.org/10.1021/la3041902
رقم الأكسشن: edsair.doi.dedup.....06001378d37409a983baa32459ed587d
قاعدة البيانات: OpenAIRE
الوصف
تدمد:15205827
07437463