Position-controlled and catalyst-free growth of ZnO nanocrystals by nanoparticle-assisted pulsed laser deposition

Shihomi Nakao, Yuuki Muraoka, Mitsuhiro Higashihata, Daisuke Nakamura, Yoshiki Nakata, Tatsuo Okada

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

We have synthesized ZnO nanocrystals, such as nanowires, nanorods, and nanosheets, using a nanoparticle-assisted pulsed laser deposition (NAPLD) method. Recently, we achieved position-controlled growth of the ZnO nanocrystals by means of a ZnO buffer layer and laser irradiation without any catalyst. The periodic structure was formed on the ZnO buffer layer by multi-beam interference patterning, and then vertically aligned ZnO nanowalls, corresponding to the patterning, were grown on the buffer layer. It was found that the periodic ZnO nanowalls grew along the c-axis direction by X-ray diffraction measurement. The well-aligned ZnO nanowalls are expected to be utilized as building blocks for field emitters and UV LEDs. The proposed technique can be used as one of the effective methods to control the growth position of the ZnO nanocrystals because various structures can be easily fabricated by a laser writing and a spatial light modulator.

Original languageEnglish
Pages (from-to)63-67
Number of pages5
JournalApplied Physics A: Materials Science and Processing
Volume117
Issue number1
DOIs
Publication statusPublished - Jun 1 2014

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Buffer layers
Pulsed laser deposition
Nanocrystals
pulsed laser deposition
nanocrystals
buffers
Nanoparticles
catalysts
nanoparticles
Catalysts
Nanosheets
Periodic structures
Laser beam effects
light modulators
Nanorods
nanorods
Nanowires
lasers
Light emitting diodes
emitters

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)

Cite this

Position-controlled and catalyst-free growth of ZnO nanocrystals by nanoparticle-assisted pulsed laser deposition. / Nakao, Shihomi; Muraoka, Yuuki; Higashihata, Mitsuhiro; Nakamura, Daisuke; Nakata, Yoshiki; Okada, Tatsuo.

In: Applied Physics A: Materials Science and Processing, Vol. 117, No. 1, 01.06.2014, p. 63-67.

Research output: Contribution to journalArticle

Nakao, Shihomi ; Muraoka, Yuuki ; Higashihata, Mitsuhiro ; Nakamura, Daisuke ; Nakata, Yoshiki ; Okada, Tatsuo. / Position-controlled and catalyst-free growth of ZnO nanocrystals by nanoparticle-assisted pulsed laser deposition. In: Applied Physics A: Materials Science and Processing. 2014 ; Vol. 117, No. 1. pp. 63-67.
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