INVESTIGATION OF ZnO NANO STRUCTURES FABRICATED ON AL2O3 SUBSTRACTES BY MOCVD | Zendy

Thanh Binh Nguyen | Zendy; Vũ Thị Ngọc Bích | Zendy; Yasutomo Segawa | Zendy

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INVESTIGATION OF ZnO NANO STRUCTURES FABRICATED ON AL2O3 SUBSTRACTES BY MOCVD

Author(s) -

Thanh Binh Nguyen,

Vũ Thị Ngọc Bích,

Yasutomo Segawa

Publication year - 2017

Publication title -

asean journal on science and technology for development

Language(s) - English

Resource type - Journals

eISSN - 2224-9028

pISSN - 0217-5460

DOI - 10.29037/ajstd.204

Subject(s) - metalorganic vapour phase epitaxy , nanorod , epitaxy , exciton , nanostructure , materials science , sapphire , nanotechnology , chemical vapor deposition , nano , substrate (aquarium) , optoelectronics , condensed matter physics , optics , laser , layer (electronics) , composite material , oceanography , physics , geology

High quality ZnO nanostructures were grown directly on sapphire subtracts by metal organic vapor deposition. By changing the growth conditions, the different nano structures (nanorods, nanotubes, nanowalls, nanonetworks) can be selectively. These nanostructures were all epitaxially grown and had the same epitaxial relationship with respect to the substrate. Mechanisms corresponding to different nanostructures were discussed. The nanostructures exhibited stable excitonic states at room temperature, and the emission due to exciton-exciton scattering was observed.

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