Formation of Closed Pores in Mesoporous Silica Nanoparticles by Hydrothermal Treatment

Eisuke Yamamoto*, Lulu Cheng, Tenkai Watanabe, Seiya Mori, Atsushi Shimojima, Hiroaki Wada, Kazuyuki Kuroda

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


Mesoporous silica nanoparticles (MSNs) with closed pores have significant potential for applications such as lowdielectric-constant materials and bio-imaging owing to their controlled accessibility. In this study, we successfully prepared MSNs with closed pores by a simple hydrothermal treatment in ethanol. The mesostructure changed from open to closed mesopores through hydrothermal treatment. This simple method enabled the preparation of closed pores with encapsulated guest species.

Original languageEnglish
Pages (from-to)1625-1630
Number of pages6
JournalBulletin of the Chemical Society of Japan
Issue number5
Publication statusPublished - 2021 May 15


  • Closed pores
  • Hydrothermal treatment
  • Mesoporous silica nanoparticles

ASJC Scopus subject areas

  • Chemistry(all)


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