Shaping in the Third Direction; Fabrication of Hemispherical Micro-Concavity Array by Using Large Size Polystyrene Spheres as Template for Direct Self-Assembly of Small Size Silica Spheres

Autor:	Ion Sandu, Claudiu Teodor Fleaca, Florian Dumitrache, Bogdan Alexandru Sava, Iuliana Urzica, Iulia Antohe, Simona Brajnicov, Marius Dumitru
Rok vydání:	2022
Předmět:	Condensed Matter::Soft Condensed Matter colloidal crystal self-assembly concavity shape super-structure Polymers and Plastics Physics::Optics General Chemistry
Zdroj:	Polymers; Volume 14; Issue 11; Pages: 2158
ISSN:	2073-4360
DOI:	10.3390/polym14112158
Popis:	Silica and polystyrene spheres with a small size ratio (r = 0.005) form by sequential hanging drop self-assembly, a binary colloidal crystal through which calcination transforms in a silica-ordered concavity array. These arrays are capable of light Bragg diffraction and shape dependent optical phenomena, and they can be transformed into inverse-opal structures. Hierarchical 2D and 3D super-structures with ordered concavities as structural units were fabricated in this study.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5576db7d9b41a242b9e75b7fde7e8da6 https://doi.org/10.3390/polym14112158 Zobrazit plný text záznamu Plný text ve formátu PDF Plný text ve formátu HTML
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