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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
| Content Provider | MDPI |
|---|---|
| Author | Sandu, Ion Fleaca, Claudiu Teodor Dumitrache, Florian Sava, Bogdan Alexandru Urzica, Iuliana Antohe, Iulia Brajnicov, Simona Dumitru, Marius |
| Copyright Year | 2022 |
| Description | 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. |
| Starting Page | 2158 |
| e-ISSN | 20734360 |
| DOI | 10.3390/polym14112158 |
| Journal | Polymers |
| Issue Number | 11 |
| Volume Number | 14 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2022-05-26 |
| Access Restriction | Open |
| Subject Keyword | Polymers Colloidal Crystal Self-assembly Concavity Shape Super-structure |
| Content Type | Text |
| Resource Type | Article |