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Effective growth of boron nitride nanotubes by thermal chemical vapor deposition

机译:通过热化学气相沉积有效生长氮化硼纳米管

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Effective growth of multiwalled boron nitride nanotubes (BNNTs) has been obtained by thermal chemical vapor deposition (CVD). This is achieved by a growth vapor trapping approach as guided by the theory of nucleation. Our results enable the growth of BNNTs in a conventional horizontal tube furnace within an hour at 1200 degrees C. We found that these BNNTs have an absorption band edge of 5.9 eV, approaching that of single h-BN crystals, which are promising for future nanoscale deep-UV light emitting devices.
机译:通过热化学气相沉积(CVD)已经获得了多壁氮化硼纳米管(BNNT)的有效生长。这是通过成核理论指导的生长蒸气捕获法来实现的。我们的结果能够使BNNT在常规水平管式炉中在一小时内于1200摄氏度下生长。我们发现这些BNNT的吸收带边缘为5.9 eV,接近单个h-BN晶体的吸收带边缘,这​​对于未来的纳米级有望深紫外发光器件。

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