Article Title

Synthesis of monodisperse CoPt₃ nanocrystals and their catalytic behavior for growth of boron nanowires

Authors

Yuan Tian, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
Chengmin Shen, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
Chen Li, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
Xuezhao Shi, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China College of Chemistry and Engineering, Lanzhou University, Lanzhou 730000, China
Yuan Huang, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
Hongjun Gao, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China

Keywords

CoPt3 nanoparticles, catalytic behavior, boron nanowires, field emission properties

Abstract

Monodisperse CoPt3 nanocrystals (NCs) have been synthesized in oleylamine solution by an organic solvothermal method. The NCs were ellipsoidal particles with a diameter around 6.6 nm and length around 10 nm with a good single crystal structure. Using CoPt3 NCs as catalysts, large-area boron nanowires with diameters ranging from 30 to 50 nm were successfully prepared by chemical vapor deposition using a C/B/B2O3 mixture as the precursor. Structural analysis indicated that these nanowires were single crystalline with a β-rhombohedral structure. Measurement of the field emission properties of boron nanowire films showed that the boron nanowires have good field emission characteristics.

Graphical Abstract

DOI

https://doi.org/10.1007/s12274-011-0134-9

Publisher

Tsinghua University Press

Recommended Citation

Yuan Tian,Chengmin Shen,Chen Li,Xuezhao Shi,Yuan Huang,Hongjun Gao, Synthesis of monodisperse CoPt3 nanocrystals and their catalytic behavior for growth of boron nanowires. NanoRes.2011, 4(8): 780–787