Selective Growth of Polyacetylene Narrow Wires Utilizing Capillary Action of Catalyst Solution in Grooves

概要

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Polyacetylene narrow wires were selectively grown in SiO_2 grooves. A substrate with grooves was held upright and the lower edge was dipped in a pool of the catalyst solution. The solution rised up in the groove by capillary action. A polyacetylene wire 0.1 μm wide, 0.2 μm thick, and 8 mm long was synthesized in a groove 0.2 μm wide and 0.55 μm deep. This length of the wire was limited by that of the grooves. Theoretical calculation shows that the catalyst solution can reach a height of 26 m in this case. Electrical conductivity was 300 S/cm for heavily iodine-doped wires formed in grooves 0.5 μm wide and 0.55 μm deep.
社団法人応用物理学会の論文
1992-06-01