Bidirectional growth of ZnO nanowires with high optical properties directly on Zn foil

Zhang Wei Wu; Shing Long Tyan; Chia Rong Lee; Ting Shan Mo

doi:10.1016/j.tsf.2016.11.052

Bidirectional growth of ZnO nanowires with high optical properties directly on Zn foil

Zhang Wei Wu, Shing Long Tyan, Chia Rong Lee, Ting Shan Mo

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

ZnO nanowires (NWs) were directly grown on zinc foils through a two-step process: (i) Zn foils fabrication and (ii) thermal oxidization at temperature 400 °C. The dense and orderly aligned ZnO NWs grown on Zn hexagonal-faceted surface presented preferential growth in the [101] orientation and showed bidirectional growth mode with an intersection angle of about 60°. The faceted and bidirectional growth mode of ZnO NWs would be applicable in the fabrication of planar nanodevices. The edge growth mechanism is proposed for the growth of NWs. In photoluminescence (PL) studies, we have observed exciton peak around 368 nm with a small PL full width at half maximum (~ 8 meV) and visible emission was strongly suppressed. These characteristics indicated that the ZnO NWs had high optical properties.

Original language	English
Pages (from-to)	102-107
Number of pages	6
Journal	Thin Solid Films
Volume	621
DOIs	https://doi.org/10.1016/j.tsf.2016.11.052
Publication status	Published - 2017 Jan 1

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Surfaces and Interfaces
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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10.1016/j.tsf.2016.11.052

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title = "Bidirectional growth of ZnO nanowires with high optical properties directly on Zn foil",

abstract = "ZnO nanowires (NWs) were directly grown on zinc foils through a two-step process: (i) Zn foils fabrication and (ii) thermal oxidization at temperature 400 °C. The dense and orderly aligned ZnO NWs grown on Zn hexagonal-faceted surface presented preferential growth in the [101] orientation and showed bidirectional growth mode with an intersection angle of about 60°. The faceted and bidirectional growth mode of ZnO NWs would be applicable in the fabrication of planar nanodevices. The edge growth mechanism is proposed for the growth of NWs. In photoluminescence (PL) studies, we have observed exciton peak around 368 nm with a small PL full width at half maximum (~ 8 meV) and visible emission was strongly suppressed. These characteristics indicated that the ZnO NWs had high optical properties.",

author = "Wu, {Zhang Wei} and Tyan, {Shing Long} and Lee, {Chia Rong} and Mo, {Ting Shan}",

note = "Funding Information: This research received funding from the Headquarters of University Advancement at National Cheng Kung University (No. D105-32A09), which is financially supported by the Ministry of Education, Taiwan, ROC. The authors would like to thank the Center for Micro/Nano Science and Technology, National Cheng Kung University, Tainan, Taiwan, for providing access to equipment and technical support. We also thank J. X. Huang, H.-H. Chen, Y. C. Lin, Y. C. Huang, and H. F. Liu for their help with the experiments. Publisher Copyright: {\textcopyright} 2016",

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doi = "10.1016/j.tsf.2016.11.052",

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AU - Wu, Zhang Wei

AU - Tyan, Shing Long

AU - Lee, Chia Rong

AU - Mo, Ting Shan

N1 - Funding Information: This research received funding from the Headquarters of University Advancement at National Cheng Kung University (No. D105-32A09), which is financially supported by the Ministry of Education, Taiwan, ROC. The authors would like to thank the Center for Micro/Nano Science and Technology, National Cheng Kung University, Tainan, Taiwan, for providing access to equipment and technical support. We also thank J. X. Huang, H.-H. Chen, Y. C. Lin, Y. C. Huang, and H. F. Liu for their help with the experiments. Publisher Copyright: © 2016

PY - 2017/1/1

Y1 - 2017/1/1

N2 - ZnO nanowires (NWs) were directly grown on zinc foils through a two-step process: (i) Zn foils fabrication and (ii) thermal oxidization at temperature 400 °C. The dense and orderly aligned ZnO NWs grown on Zn hexagonal-faceted surface presented preferential growth in the [101] orientation and showed bidirectional growth mode with an intersection angle of about 60°. The faceted and bidirectional growth mode of ZnO NWs would be applicable in the fabrication of planar nanodevices. The edge growth mechanism is proposed for the growth of NWs. In photoluminescence (PL) studies, we have observed exciton peak around 368 nm with a small PL full width at half maximum (~ 8 meV) and visible emission was strongly suppressed. These characteristics indicated that the ZnO NWs had high optical properties.

AB - ZnO nanowires (NWs) were directly grown on zinc foils through a two-step process: (i) Zn foils fabrication and (ii) thermal oxidization at temperature 400 °C. The dense and orderly aligned ZnO NWs grown on Zn hexagonal-faceted surface presented preferential growth in the [101] orientation and showed bidirectional growth mode with an intersection angle of about 60°. The faceted and bidirectional growth mode of ZnO NWs would be applicable in the fabrication of planar nanodevices. The edge growth mechanism is proposed for the growth of NWs. In photoluminescence (PL) studies, we have observed exciton peak around 368 nm with a small PL full width at half maximum (~ 8 meV) and visible emission was strongly suppressed. These characteristics indicated that the ZnO NWs had high optical properties.

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JO - Thin Solid Films

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Bidirectional growth of ZnO nanowires with high optical properties directly on Zn foil

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