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Issue 8, 2015
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Spontaneous formation of core–shell GaAsP nanowires and their enhanced electrical conductivity

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Abstract

In this study, we report the growth of core–shell GaAsP nanowires using metal–organic chemical vapor deposition. The grown core–shell nanowires were examined by detailed electron microscopy, revealing that the P concentration in the nanowire cores is higher than that in the shells. Au catalysts enhanced the local decomposition of PH3, leading to relevant high P incorporation in the nanowire cores during nanowire growth. These core–shell GaAsP nanowires exhibit enhanced electrical conductivity when compared with uniform GaAsP nanowires. This study provides an approach to enhance the electrical conductivity of III–V semiconductor nanowires.

Graphical abstract: Spontaneous formation of core–shell GaAsP nanowires and their enhanced electrical conductivity

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Publication details

The article was received on 14 Oct 2014, accepted on 07 Dec 2014 and first published on 10 Dec 2014


Article type: Paper
DOI: 10.1039/C4TC02305F
Citation: J. Mater. Chem. C, 2015,3, 1745-1750
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    Spontaneous formation of core–shell GaAsP nanowires and their enhanced electrical conductivity

    W. Sun, Y. Huang, Y. Guo, Z. M. Liao, Q. Gao, H. H. Tan, C. Jagadish, X. Z. Liao and J. Zou, J. Mater. Chem. C, 2015, 3, 1745
    DOI: 10.1039/C4TC02305F

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