I-Corps: High Quality Boron Nitride Nanotubes
I-Corps:高品质氮化硼纳米管
基本信息
- 批准号:1265116
- 负责人:
- 金额:$ 5万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2012
- 资助国家:美国
- 起止时间:2012-10-01 至 2013-09-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Boron nitride nanotubes (BNNTs) are structurally similar to carbon nanotubes (CNTs) with many similar properties such as extraordinarily high mechanical strength and thermal conductivity. Unlike CNTs, BNNTs have a uniform band gap (~5.5 eV) that is not sensitive to structural variations. Furthermore BNNTs are chemically more inert than CNTs, and have a higher resistance to oxidation at high temperatures. However, there are few research groups in the world capable of producing high-quality BNNTs. Based on their unique capability in growing high-quality BNNTs researchers will investigate a scanning chemical vapor deposition (SCVD) technique. Preliminary tests of the small SCVD system have demonstrated a 10-fold higher production yield of BNNTs. The yield could potentially be further improved by 1000-fold with the use of a bigger CVD system. If successfully completed, this project may further the use of BNNTs in various branches of science and engineering, including 1) insulating heat sink materials for high-performance electronic devices and engines, 2) doped BNNTs for nanoelectronic and photonic devices without the need of post-synthesis sorting, 3) chemically inert and high performance ceramics/alloys/composites, 4) boron neutron capture therapy (BNCT) for cancer treatment, 5) drug delivery using BNNTs.
氮化硼纳米管(BNNT)在结构上与碳纳米管(CNT)相似,具有许多相似的性能,如极高的机械强度和导热性。与CNT不同,BNNT具有对结构变化不敏感的均匀带隙(~ 5.5eV)。此外,BNNT在化学上比CNT更惰性,并且在高温下具有更高的抗氧化性。然而,世界上很少有研究小组能够生产高质量的BNNT。基于他们在生长高质量BNNT方面的独特能力,研究人员将研究扫描化学气相沉积(SCVD)技术。小型SCVD系统的初步测试表明,BNNT的产量提高了10倍。使用更大的CVD系统,产量可能进一步提高1000倍。 如果成功完成,该项目可能会进一步在科学和工程的各个分支中使用BNNT,包括1)用于高性能电子设备和发动机的绝缘散热器材料,2)用于纳米电子和光子设备的掺杂BNNT,而无需合成后分选,3)化学惰性和高性能陶瓷/合金/复合材料,4)用于癌症治疗的硼中子俘获疗法(BNCT),5)使用BNNT的药物递送。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Yoke Khin Yap其他文献
Catalyst-free formation of vertically-aligned carbon nanorods as induced by nitrogen incorporation
- DOI:
10.1016/j.carbon.2011.01.006 - 发表时间:
2011-05-01 - 期刊:
- 影响因子:
- 作者:
Richard Ritikos;Saadah Abdul Rahman;Siti Meriam Ab. Gani;Muhamad Rasat Muhamad;Yoke Khin Yap - 通讯作者:
Yoke Khin Yap
Yoke Khin Yap的其他文献
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{{ truncateString('Yoke Khin Yap', 18)}}的其他基金
Synthesis and Characterization of Functional Boron Nitride Nanostructures
功能性氮化硼纳米结构的合成与表征
- 批准号:
1261910 - 财政年份:2013
- 资助金额:
$ 5万 - 项目类别:
Continuing Grant
CAREER: Synthesis, Characterization and Discovery of Frontier Carbon Materials
职业:前沿碳材料的合成、表征和发现
- 批准号:
0447555 - 财政年份:2005
- 资助金额:
$ 5万 - 项目类别:
Continuing Grant
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