Nano-composite of Phosphoric Acid Derivative of Fullerene with SiO2 and its Proton Conductivity

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概要

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• The nano-composite of the phosphoric acid derivative of fullerene ([PO(OH)2]2CC60) with SiO2 was synthesized using the in-situ reaction from [PO(OH)2]2CC60 with tetraethoxysilane (TEOS). The nano-composite was characterized using FT-IR measurements, and its morphology was observed using SEM. The humidity dependence of their proton conductivity for both [PO(OH)2]2CC60 and its nano-composite was investigated. The proton conductivity of the nano-composite is increased more than one order of magnitude higher than that of [PO(OH)2]2CC60 under low relative humidity. This is probably because the more proton conductive sites are generated by SiO2. However its proton conductivity is lower in the humidity range above 60%, probably because the number of the highly dissociative protons from phosphoric acid is decreased after being combined with silica.

• 公益社団法人 電気化学会の論文

著者

• NODA Kazuhiro

  Materials Laboratories, Sony Corporation

• LI Yong

  Materials Laboratories, Sony Corporation

• HINOKUMA Koichiro

  Materials Laboratories, Sony Corporation

関連論文

• Nano-composite of Phosphoric Acid Derivative of Fullerene with SiO2 and its Proton Conductivity

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