Gas-phase particle size distributions during vapor phase condensation of fullerenes

Abhijit Gurav, Toivo Kodas, Lu-min Wang, Esko Kauppinen, Jorma Joutsensaari

Research output: Contribution to journalArticleScientific

4 Citations (Scopus)

Abstract

Nanometer-size fullerene particles were generated via vapor condensation in a continuous flow system starting from pure C60 and mixed fullerene extract (C60/C70). Vapor condensation was carried out by cooling a nitrogen gas stream containing fullerene vapors from 400–650°C to room temperature. Particles were partly amorphous at 400°C, and became crystalline C60 when processed above 500°C. The average particle diameter and particle number concentration increased with increasing processing temperature. The particles had average sizes of 30, 35 and 40 nm and total number concentrations of 2.2 × 106, 3.5 × 106, and 5.0 × 106 #/cm3, respectively at 500, 525 and 550°C.
Original languageEnglish
Pages (from-to)491-496
JournalNanostructured Materials
Volume4
Issue number5
DOIs
Publication statusPublished - 1995
MoE publication typeB1 Article in a scientific magazine

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