Synthesis and interface structures of zinc sulfide sheathed zinc-cadmium nanowire heterojunctions

Guozhen Shen*, Yoshio Bando, Yihua Gao, Dmitri Golberg

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

Zinc sulfide (ZnS) sheathed zinc (Zn)-cadmium (Cd) nanowire heterojunctions have been prepared by thermal evaporating of ZnS and CdS powders in a vertical induction furnace at 1200 °C. Studies found that both the Zn and Cd subnanowires, within a single nanoheterojunction, are single-crystallines with the growth directions perpendicular to the [2110] plane, whereas the sheathed ZnS is polycrystalline with a thickness of ca. 5 nm. The Zn/Cd interface structure in the ZnS sheathed Zn-Cd nanowire heterojunctions was thoroughly experimentally studied by high-resolution transmission electron microscopy and theoretically studied using a near-coincidence site lattice (NCSL) concept. The results show that the Cd and Zn have a crystalline orientation relationship as [0001]Zn//[0001]Cd, (101̄0)zn// (101̄0)cd, (011̄0)zn//(11̄00)Cd, and (1̄100)Zn//(1̄100)Cd.

Original languageEnglish
Pages (from-to)14123-14127
Number of pages5
JournalJournal of Physical Chemistry B
Volume110
Issue number29
DOIs
Publication statusPublished - 27 Jul 2006
Externally publishedYes

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