Optical and electrical properites of ZnO nanorods synthesized by nanoparticle assisted pulsed-laser deposition

Tatsuo Okada; Kou Kawashima; Minoru Ueda; Yoshiki Nakata

doi:10.1117/12.591412

12 April 2005 Optical and electrical properites of ZnO nanorods synthesized by nanoparticle assisted pulsed laser deposition

Tatsuo Okada, Kou Kawashima, Minoru Ueda, Yoshiki Nakata

Author Affiliations +

Proceedings Volume 5713, Photon Processing in Microelectronics and Photonics IV; (2005) https://doi.org/10.1117/12.591412
Event: Lasers and Applications in Science and Engineering, 2005, San Jose, California, United States

Abstract

This paper describes the characterization of nano-structured ZnO crystals synthesized by laser ablation deposition method. The influence of the synthesis conditions on the morphologies of the ZnO crystals was investigated in detail. ZnO nanorods with a hexagonal- and pyramidal top surface were obtained under limited growth conditions. The most critical process parameter for the growth of ZnO nanorods was gas pressure, whose process window was in the range from 1.0 to 5 Torr. In a high temperature background gas, on the other hand, unique nano-structured ZnO crystals were obtained, including a nano-wire pig-tailed ZnO nano-rod which has a nano-wire of less than 100 nm in diameter at the hexagonal top of nano-rods, a ZnO nano-cone with a bottom diameter of 500 nm and a height of 2 μm and so on. The unique geometrical shapes have a great potential in the application to the field emission devices and nano-optics.

Citation Download Citation

Tatsuo Okada, Kou Kawashima, Minoru Ueda, and Yoshiki Nakata "Optical and electrical properites of ZnO nanorods synthesized by nanoparticle assisted pulsed laser deposition", Proc. SPIE 5713, Photon Processing in Microelectronics and Photonics IV, (12 April 2005); https://doi.org/10.1117/12.591412

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