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The effect of pre-annealing of sputtered ZnO seed layers on growth of ZnO nanorods through a hydrothermal method

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Abstract
Oriented ZnO nanorods were grown on ionbeam-sputtered ZnO seed layers through a hydrothermal approach without any metal catalyst. The sputtered ZnO seed layers were pre-annealed at different temperatures before the growth of ZnO nanorods. The effects of pre-annealing of the ZnO seed layers on the growth rate, crystallinity and optical properties of ZnO nanorods thereon were studied. The obtained ZnO nanorods had a wurtzite structure and grew along the preferential [0001] orientation with a normal direction to the substrates. Results show that the growth rate and density of the ZnO nanorods strongly depend on the pre-treatment conditions of the ZnO seed layer. With higher pre-treatment temperature, the crystallinity and surface
characteristics of the ZnO seed layer were improved and thereafter the growth rate of ZnO nanorods thereon increased. Photoluminescence spectroscopy results show that the UV emission also becomes stronger and sharper with increasing annealing temperature of the ZnO seed layer.

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Informasi Detail

Judul Seri

Appl Phys A

No. Panggil

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Penerbit

New York : Springer-Verlag., 2009

Deskripsi Fisik

Appl Phys A (2009) 94: 775–780

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

FISIKA

Info Detail Spesifik

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Pernyataan Tanggungjawab

agus

Versi lain/terkait

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