Abstract

In this study, a novel and facile approach for the synthesis of ternary boron carbonitride (B–C–N) nanotubes was reported. Growth occurred by heating simple starting materials of boron powder, zinc oxide powder, and ethanol absolute at 1150 °C under a mixture gas flow of nitrogen and hydrogen. As substrate, commercial stainless steel foil with a typical thickness of 0.05 mm played an additional role of catalyst during the growth of nanotubes. The nanotubes were characterized by SEM, TEM, EDX, and EELS. The results indicate that the synthesized B–C–N nanotubes exhibit a bamboo-like morphology and B, C, and N elements are homogeneously distributed in the nanotubes. A catalyzed vapor–liquid–solid (VLS) mechanism was proposed for the growth of the nanotubes.

Highlights

  • Ternary boron carbonitride (B–C–N) nanotubes have recently attracted much attention because of their excellent mechanical properties, electrical properties, and anti-oxidant capacities [1, 2]

  • The surfaces of the nanotubes are very clean and no impurities can be observed, which indicates the high purity of the nanotubes

  • It can be found that nanoparticles are attached at the ends of nanotubes, which could be regarded as a typical symbol of vapor– liquid–solid (VLS) growth model

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Summary

Introduction

Ternary boron carbonitride (B–C–N) nanotubes have recently attracted much attention because of their excellent mechanical properties, electrical properties, and anti-oxidant capacities [1, 2]. Theoretical studies have revealed that the band gaps of B–C–N nanotubes can be tailored over a wide range by varying the chemical composition rather than by geometrical structure [3,4,5,6,7], Nanoscale Res Lett (2009) 4:834–838 ternary B–C–N nanotubes via such a relatively simple route

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