Patterned Growth of High-quality Single-walled Carbon Nanotubes from Dip-coated Catalyst
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چکیده
Here we show that the conventional concept of using SiO2 patterned Si substrates to selectively grow 3D carbon nanotube structures can also be applied to a dip-coating method. High-quality vertically aligned single-walled carbon nanotube (SWNT) patterns can be easily obtained by this protocol. Apart from the sintering of catalyst into Si at high temperature, the difference in surface wettability between Si and SiO2 also plays an important role in this selective growth, which leads us to a novel method of patterning the growth on chemically
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تاریخ انتشار 2009