Etched glass self-assembles into micron-size hollow platonic solids

Sofiane Boukhalfa, Saharoui Chaieb

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

The interaction between the spreading of a hydrofluoric acid-based drop on a glass surface and its etching rate gives rise to hollow crystals of various shapes, including cubes, triangles, and icosahedra. These geometries are dependent on their position with respect to the contact line, where a rim forms by agglutination, similar to the formation of a coffee stain. Atomic force microscopy indentation and transmission electron microscopy observations revealed that these crystals are hollow ammonium-fluosilicate-based cryptohalite shells. © 2012 American Chemical Society.
Original languageEnglish (US)
Pages (from-to)4692-4695
Number of pages4
JournalCrystal Growth & Design
Volume12
Issue number10
DOIs
StatePublished - Sep 13 2012

ASJC Scopus subject areas

  • Materials Science(all)
  • Chemistry(all)
  • Condensed Matter Physics

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