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A more accurate estimation of the specific surface area of TiO2 nanoparticles capped with organic ligands
Masahiko Sagawa1, Shohei Yamashita1, Yohei Okada1
1Department of Applied Biological Science, Tokyo University of Agriculture and Technology 3-5-8 Saiwai-cho, Fuchu Tokyo 183-8509 Japan yokada@cc.tuat.ac.jp.
Nanoscale Advances
|August 13, 2025
Abstract:
The specific surface area is important information for nanoparticles. Herein, we demonstrate that treatment with F- ions can strip organic ligands from the surface of TiO2 nanoparticles, which enables a more accurate estimation of the specific surface area using N2 adsorption-desorption isotherms in conjunction with the Brunauer-Emmett-Teller model.

