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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 34, Number 4
BKCSDE 34(4)
April 20, 2013

Title	Power Dependence on Formation of Polyynes by Laser Ablation in Water
Author	Young Eun Park, Seung Keun Shin*, Seung Min Park
Keywords	Polyynes, Laser ablation, Graphite, Photophysical
Abstract	Polyynes were prepared by liquid laser ablation of a graphite target in deionized water at various physical conditions such as laser power (20 and 40 mJ/pulse) and ablation wavelengths (355, 532, and 1064 nm). The effects of physical parameters on the linear carbon chain length were examined by analyzing the densities of polyynes with different carbon numbers (C6H2, C8H2, and C10H2) as well as their branching ratios. We concluded the photophysical processes turned out to play a more significant role than thermal ones in the formation of polyynes.
Page	1039 - 1042
Full Text	PDF

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