Uniform mesoporous silica hexagon and its two-dimensional colloidal crystal

Yu Shen Lin, Chun Yi David Lu, Yann Hung, Chung Yuan Mou

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)


Well-ordered mesoporous silica nanoparticles with uniform hexagonal disk shapes are synthesized under dilute alkaline conditions with a two-step process, separating the nucleation and growth process. The resulting monodisperse hexagons can be arranged in a 2-dimensional (2D) ordered periodical super-structure. The hexagonal symmetry is similar in both scales. A statistical mechanical cell model is applied to analyze consequences of the interesting packing structure, including osmotic bulk modulus, phase separation and defects.

Original languageEnglish
Pages (from-to)2628-2632
Number of pages5
Issue number15
Publication statusPublished - Oct 19 2009
Externally publishedYes


  • Colloidal crystals
  • Hexagons
  • Mesoporous silica
  • Phase separation
  • Self-assembly

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Physical and Theoretical Chemistry


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