Al2O3 Nanotubes Fabricated by Wet Etching of ZnO/Al2O3 Core/Shell Nanofibers

Joowon Hwang, Byungdon Min, Jong Soo Lee, Kihyun Keem, Kyoungah Cho, Man Young Sung, Moon Sook Lee, Sangsig Kim

Research output: Contribution to journalArticle

117 Citations (Scopus)

Abstract

A route to fabricate Al2O3 nanotubes with conformally uniform thickness is discussed. ZnO/Al2O3 core/shell nanofibers are prepared from the Al2O3 deposition of ZnO nanowires with atomic-layer deposition (ALD). Amorphous Al2O 3 nanotubes with uniform thickness may be fabricated by wet-etching of the ZnO core nanowires in the ZnO/Al2O3 core/shell nanofibers in H3PO4 solution at 25°C. Straight-line and wave-shaped Al2O3 nanotubes with different inner diameters are fabricated by the method, depending on the morphology of ZnO nanowires used as templates.

Original languageEnglish
Pages (from-to)422-425
Number of pages4
JournalAdvanced Materials
Volume16
Issue number5
Publication statusPublished - 2004 Mar 5

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Wet etching
Nanofibers
Nanotubes
Nanowires
Atomic layer deposition

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Al2O3 Nanotubes Fabricated by Wet Etching of ZnO/Al2O3 Core/Shell Nanofibers. / Hwang, Joowon; Min, Byungdon; Lee, Jong Soo; Keem, Kihyun; Cho, Kyoungah; Sung, Man Young; Lee, Moon Sook; Kim, Sangsig.

In: Advanced Materials, Vol. 16, No. 5, 05.03.2004, p. 422-425.

Research output: Contribution to journalArticle

Hwang, J, Min, B, Lee, JS, Keem, K, Cho, K, Sung, MY, Lee, MS & Kim, S 2004, 'Al2O3 Nanotubes Fabricated by Wet Etching of ZnO/Al2O3 Core/Shell Nanofibers', Advanced Materials, vol. 16, no. 5, pp. 422-425.
Hwang J, Min B, Lee JS, Keem K, Cho K, Sung MY et al. Al2O3 Nanotubes Fabricated by Wet Etching of ZnO/Al2O3 Core/Shell Nanofibers. Advanced Materials. 2004 Mar 5;16(5):422-425.
Hwang, Joowon ; Min, Byungdon ; Lee, Jong Soo ; Keem, Kihyun ; Cho, Kyoungah ; Sung, Man Young ; Lee, Moon Sook ; Kim, Sangsig. / Al2O3 Nanotubes Fabricated by Wet Etching of ZnO/Al2O3 Core/Shell Nanofibers. In: Advanced Materials. 2004 ; Vol. 16, No. 5. pp. 422-425.
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