Free-standing membranes from the chemical exfoliation of mesoporous amorphous titania thin film

Victor Malgras*, Yoshitaka Matsushita, Joel Henzie, Yoshiyuki Sugahara, Yusuke Yamauchi

*この研究の対応する著者

研究成果: Article査読

抄録

Thin films are typically bound to their substrate, limiting their integration on rough, porous, curved or chemically/thermally sensitive surfaces. Instead of employing tedious and expensive back-etching processes, specific chemical routes can enable the exfoliation of such thin structures. Herein, we demonstrate that an alkaline treatment can exfoliate a hybrid thin film comprising amorphous titania embedded in well-ordered block-copolymer micelles, which can be redeposited elsewhere. We provide sufficient evidence of the preservation of pore ordering and the importance of neutralizing the solution to spare the system from the redissolution of the titania species.

本文言語English
ページ(範囲)7513-7516
ページ数4
ジャーナルChemical Communications
57
61
DOI
出版ステータスPublished - 2021 8 7

ASJC Scopus subject areas

  • 触媒
  • 電子材料、光学材料、および磁性材料
  • セラミックおよび複合材料
  • 化学 (全般)
  • 表面、皮膜および薄膜
  • 金属および合金
  • 材料化学

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