Self-catalyzed vapor-liquid-solid growth of InP/InAsP core-shell nanopillars

被引：3

作者：

Evoen, Vanessa ^{[1
]}

Zhou, Hailong ^{[1
]}

Gao, Li ^{[1
]}

Pozuelo, Marta ^{[2
]}

Liang, Baolai ^{[3
]}

Tatebeyashi, Jun ^{[3
]}

Kodambaka, Suneel ^{[2
]}

Huffaker, Diana L. ^{[3
]}

Hicks, Robert F. ^{[1
,2
]}

机构：

[1] Univ Calif Los Angeles, Dept Chem Engn, Los Angeles, CA 90095 USA

[2] Univ Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA

[3] Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA

来源：

JOURNAL OF CRYSTAL GROWTH | 2011年 / 314卷 / 01期

关键词：

Nanopillars; Metalorganic vapor phase epitaxy; InP/InAsP; SINGLE SNO2 NANOWIRE; SOLAR-CELLS; ARRAYS; HETEROSTRUCTURES; DEVICES;

D O I：

10.1016/j.jcrysgro.2010.11.092

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

Indium phosphide/indium arsenide phosphide core-shell nanopillars have been prepared by the vapor-liquid-solid method using liquid indium droplets as the catalyst. The indium droplets were generated in situ in the deposition reactor. The hexagonal nanopillars exhibited hexagonal shaped sidewalls with average width and height of 150 and 250 nm, respectively. Cross-section transmission electron microscopy with selected area electron diffraction and X-ray dispersion energy analysis verified that an InAsP layer, approximately 10 nm thick, coated the pillars. Photoluminescence spectra at 77 K yielded an extremely intense band at 0.76 eV (1.63 mu m), which was due to the InAsP shell on the pillars. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：34 / 38

页数：5

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