In situ Optical Imaging of Carbon Nanotube Growth
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概要
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In situ optical imaging of vertically aligned carbon nanotube (CNT) growth has been performed. The thickness and growth rate of CNTs were accurately measured in real time using an image processor. A thickness variation ranging from approximately 7 to 250 μm was observed. As growth proceeded, growth rate degradation occurred with relaxing its gradient. However, our in situ observations revealed that growth rate recovered upon varying the growth parameters, such as temperature, pressure, and C2H2/H2 flow rate ratio, suggesting that in situ growth rate control is applicable to CNT growth.
- 2007-05-15
著者
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Inoue Takashi
Toyota Central R&d Labs Inc.
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Inoue Takashi
Toyota Central R&D Labs., Inc., Nagakute, Aichi 480-1192, Japan
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Gunjishima Itaru
Toyota Central R&D Labs., Inc., Nagakute, Aichi 480-1192, Japan
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Gunjishima Itaru
Toyota Central R&D Laboratories, Inc., Nagakute, Aichi 480-1192, Japan
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Okamoto Atsuto
Toyota Central R&D Labs., Inc., Nagakute, Aichi 480-1192, Japan
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Okamoto Atsuto
Toyota Central R&D Lab., Inc., Nagakute, Aichi 480-1192, Japan
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