Preparation of polyynes by liquid-phase laser ablation using different irradiation target materials and solvents |
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| Authors: | Ryutaro Matsutani Takuya Kakimoto Hiromasa Tanaka Kazuo Kojima |
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| Affiliation: | aDepartment of Applied Chemistry, Faculty of Science and Engineering, Ritsumeikan University, 1-1-1 Noji-Higashi, Kusatsu, Shiga 525-8577, Japan;bInstitute for Materials Chemistry and Engineering, Kyushu University, 744 Motooka-Nishiku, Fukuoka 812-8581, Japan;cDepartment of Applied Chemistry, College of Life Sciences, Ritsumeikan University, 1-1-1 Noji-Higashi, Kusatsu, Shiga 525-8577, Japan |
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| Abstract: | Polyynes were prepared from pellets of a perylene derivative, 3,4,9,10-perylene tetracarboxylic dianhydride (PTCDA), and graphite by liquid-phase laser ablation, using solvents of methanol, ethanol, 1-propanol, 1-butanol, t-butyl alcohol, n-hexane, and decalin. The amounts of polyynes produced from PTCDA strongly depended on the polarity of the solvent, while those from graphite did not. Polar functional groups of acid-anhydride side chains in PTCDA are believed to influence the amounts of C2 radicals produced by laser ablation. The long-chain polyyne C28H2 was detected in a chromatogram of a solution obtained from a graphite pellet and solvent decalin. |
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