Synthesis, structure and optical properties of zinc oxide hexagonal microprisms | Zendy

Kumari L. | Zendy; Li W. Z. | Zendy

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Synthesis, structure and optical properties of zinc oxide hexagonal microprisms

Author(s) -

Kumari L.,

Li W. Z.

Publication year - 2010

Publication title -

crystal research and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.377

H-Index - 64

eISSN - 1521-4079

pISSN - 0232-1300

DOI - 10.1002/crat.200900600

Subject(s) - wurtzite crystal structure , zinc , photoluminescence , exciton , substrate (aquarium) , materials science , hydrothermal circulation , hexagonal crystal system , hexagonal phase , oxide , crystallography , optoelectronics , chemistry , chemical engineering , physics , condensed matter physics , metallurgy , oceanography , geology , engineering

Zinc oxide (ZnO) pencil‐head‐like (PHL) microprisms were synthesized by a hydrothermal route using a zinc (Zn) plate as a source and substrate. The structural analysis confirmed the formation of ZnO with hexagonal wurtzite phase on the hexagonal Zn substrate and the growth of the ZnO microparticles along the [101] direction. The room temperature photoluminescence (PL) of the ZnO microprisms showed a sharp UV emission band located at around 380 nm, which is expected to originate from the radiative recombination of free excitons. The sharp UV emission band, with a full width at half‐maximum of about 15 nm and an extremely weak visible emission, confirms the high crystal quality of the synthesized ZnO microprisms. (© 2010 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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