全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
材料工程  2008 

镁热还原制备BN纳米管

, PP. 85-87

Keywords: BN纳米管,镁热还原,前驱体

Full-Text   Cite this paper   Add to My Lib

Abstract:

以三氧化二硼为硼源,镁作为还原剂和促进剂,氯化亚铁为催化剂,在流动氨气中1500~1600℃制备出大量BN多壁纳米管。在扫描电镜(SEM)和高分辨透射电镜(HRTEM)观察到BN纳米管表面洁净光滑,直径均匀约50nm,长度达10~30μm。能谱、电子选区衍射和粉末X射线分析表明纳米管主要为h-BN多晶。

References

[1]  MA R,BANDO Y,SATO T.Controlled synthesis of BN nanotubes,nanobamboos,and nanocables[J].Advaced Materials.2002,14:366-368.
[2]  张弜,吕春菊,李宗全.氧化物辅助生长法合成氮化硼纳米管[J].化学物理学报,2005,18:113-116.
[3]  成会明,唐蓓,李峰,等.一种以水为生长促进荆大量制备氮化硼纳米管方法[P].中国专利:CN1854065A,2006.
[4]  TANG C,BANDO Y,SATO T,et al.A novel precursor for synthesis of pure boron nitride nanotubes[J].Chemical Communications,2002,1290-1291.
[5]  ZHI C,BANDO Y,TAN C,et al.Effective precursor for high yield synthesis of pure BN nanotubes[J].Solid State Communications,2005,135:67-70.
[6]  CHOPRA N G,LUYKEN R J,CHERREY K,et al.Boron nitride nanotubes[J].Science,1995,269:966-967.
[7]  CHOPRA N G.ZETTL A.Measurement of the elastic modulus of a multi-wall boron nitride nanotube[J].Solid State Communications,1998,105:297-300.
[8]  OKU T,HIRANO T,KUNO M,et al.Synthesis,atomic struc tures and properties of carbon and boron nitride fullerene materials[J].Mater Sci Eng B,2000,74:206-217.
[9]  OKU T,NARITA I,NISHIWAKI A,et al.Atomic structures,electronic states and hydrogen storage of boron nitride nanocage clusters,nanotubes and nanohoms[A].Diffusion and Defect Data.Pt A Defect and Diffusion Forum[R].2004,226-228:113-140.
[10]  籍凤秋,曹传宝,徐红,等.碳热还原法合成氮化硼纳米管[J].人工晶体学报,2006,35:233-236.
[11]  MPOURMPAKIS G,FROUDAKIS G E.Why boron nitride nanotubes are preferable to carbon nanotubes for hydrogen storage?.An ab initio theoretical study[J].Catalysis Today,2007,120:341-345.
[12]  TERRONES M,ROMO-HERRERA J M,CRUZ-SILVAL E,et al.Pure and doped boron nitride nanotubes[J].Materials Today,2007,10:30-38.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133