Fabrication and characterization of vertically aligned long ZnO nanorods on transparent substrate

Jyoti Prakash Kar, Ji Hyuk Choi, Sachindra Nath Das, Junjie Xiong, Min Jung Lee, Tae Il Lee, Jae Min Myoung

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Vertically aligned long ZnO nanorods (NRs) were grown by metal organic chemical vapor deposition (MOCVD) technique. Prior to the NRs growth Ga-doped ZnO (GZO) film was deposited by DC sputtering technique on glass substrates. The length and width of the NRs were 25 μm and 450-500 nm, respectively. Structural and optical properties of the NRs were investigated after the growth. The NRs were single crystalline in nature with the preferred growth along c-axis. The diffusion of Ga atoms in the bottom of the NRs during the growth is detected. A prominent near band edge emission of NRs was observed from room-temperature photoluminescence study. Electrical characteristics across the NRs-thin film hybrid structure were measured with UV exposure, where the rise and fall of the photocurrent was exponential in nature due to the desorption and adsorption of oxygen in the surface.

Original languageEnglish
Pages (from-to)2185-2190
Number of pages6
JournalJournal of Nanoscience and Nanotechnology
Volume11
Issue number3
DOIs
Publication statusPublished - 2011 Mar 1

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Nanotubes
Growth
Organic Chemicals
Adsorption
Glass
Metals
Oxygen
Temperature

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Chemistry(all)
  • Biomedical Engineering
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Kar, Jyoti Prakash ; Choi, Ji Hyuk ; Das, Sachindra Nath ; Xiong, Junjie ; Lee, Min Jung ; Lee, Tae Il ; Myoung, Jae Min. / Fabrication and characterization of vertically aligned long ZnO nanorods on transparent substrate. In: Journal of Nanoscience and Nanotechnology. 2011 ; Vol. 11, No. 3. pp. 2185-2190.
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abstract = "Vertically aligned long ZnO nanorods (NRs) were grown by metal organic chemical vapor deposition (MOCVD) technique. Prior to the NRs growth Ga-doped ZnO (GZO) film was deposited by DC sputtering technique on glass substrates. The length and width of the NRs were 25 μm and 450-500 nm, respectively. Structural and optical properties of the NRs were investigated after the growth. The NRs were single crystalline in nature with the preferred growth along c-axis. The diffusion of Ga atoms in the bottom of the NRs during the growth is detected. A prominent near band edge emission of NRs was observed from room-temperature photoluminescence study. Electrical characteristics across the NRs-thin film hybrid structure were measured with UV exposure, where the rise and fall of the photocurrent was exponential in nature due to the desorption and adsorption of oxygen in the surface.",
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Fabrication and characterization of vertically aligned long ZnO nanorods on transparent substrate. / Kar, Jyoti Prakash; Choi, Ji Hyuk; Das, Sachindra Nath; Xiong, Junjie; Lee, Min Jung; Lee, Tae Il; Myoung, Jae Min.

In: Journal of Nanoscience and Nanotechnology, Vol. 11, No. 3, 01.03.2011, p. 2185-2190.

Research output: Contribution to journalArticle

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