Size-controlled recrystallization of fullerene by gas-antisolvent process

Shunsuke Mochizuki; Akira Teramoto; Fuyuko Yamashita; Yasuhiko Kasama; Yoshiyuki Sato; Hiroshi Inomata

doi:10.1007/s10853-009-4129-9

Size-controlled recrystallization of fullerene by gas-antisolvent process

Shunsuke Mochizuki, Akira Teramoto, Fuyuko Yamashita, Yasuhiko Kasama, Yoshiyuki Sato, Hiroshi Inomata

ENG - Research Center of Supercritical Fluid Technology

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

Gas-antisolvent (GAS) process using CO₂ successfully prepared crystals of fullerene (C₆₀) from a toluene solution through a precipitation. Particle sizes of precipitated C₆₀ could be easily controlled by changing the initial pressurization rate of CO₂, the temperature at the initial pressurization, and the quantity of C₆₀. Fullerene particles obtained by GAS method had regular octahedral shapes, whereas the particles obtained by adding liquid ethanol as an antisolvent to C₆₀ solution did not have such shape. Particle sizes could be changed in a range of 1.0-8.5 μm by GAS method; they were wider than the range of particles obtained by ethanol addition (0.7-1.8 μm).

Original language	English
Pages (from-to)	1588-1594
Number of pages	7
Journal	Journal of Materials Science
Volume	45
Issue number	6
DOIs	https://doi.org/10.1007/s10853-009-4129-9
Publication status	Published - 2010 Mar

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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title = "Size-controlled recrystallization of fullerene by gas-antisolvent process",

abstract = "Gas-antisolvent (GAS) process using CO2 successfully prepared crystals of fullerene (C60) from a toluene solution through a precipitation. Particle sizes of precipitated C60 could be easily controlled by changing the initial pressurization rate of CO2, the temperature at the initial pressurization, and the quantity of C60. Fullerene particles obtained by GAS method had regular octahedral shapes, whereas the particles obtained by adding liquid ethanol as an antisolvent to C60 solution did not have such shape. Particle sizes could be changed in a range of 1.0-8.5 μm by GAS method; they were wider than the range of particles obtained by ethanol addition (0.7-1.8 μm).",

author = "Shunsuke Mochizuki and Akira Teramoto and Fuyuko Yamashita and Yasuhiko Kasama and Yoshiyuki Sato and Hiroshi Inomata",

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T1 - Size-controlled recrystallization of fullerene by gas-antisolvent process

AU - Mochizuki, Shunsuke

AU - Teramoto, Akira

AU - Yamashita, Fuyuko

AU - Kasama, Yasuhiko

AU - Sato, Yoshiyuki

AU - Inomata, Hiroshi

PY - 2010/3

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AB - Gas-antisolvent (GAS) process using CO2 successfully prepared crystals of fullerene (C60) from a toluene solution through a precipitation. Particle sizes of precipitated C60 could be easily controlled by changing the initial pressurization rate of CO2, the temperature at the initial pressurization, and the quantity of C60. Fullerene particles obtained by GAS method had regular octahedral shapes, whereas the particles obtained by adding liquid ethanol as an antisolvent to C60 solution did not have such shape. Particle sizes could be changed in a range of 1.0-8.5 μm by GAS method; they were wider than the range of particles obtained by ethanol addition (0.7-1.8 μm).

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Size-controlled recrystallization of fullerene by gas-antisolvent process

Abstract

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