Document Detail


Effect of pressure-assisted thermal annealing on the optical properties of ZnO thin films.
MedLine Citation:
PMID:  23255473     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
ZnO thin films were prepared by the polymeric precursor method. The films were deposited on silicon substrates using the spin-coating technique, and were annealed at 330 °C for 32 h under pressure-assisted thermal annealing and under ambient pressure. Their structural and optical properties were characterized, and the phases formed were identified by X-ray diffraction. No secondary phase was detected. The ZnO thin films were also characterized by field-emission scanning electron microscopy, Fourier transform infrared spectroscopy, photoluminescence and ultraviolet emission intensity measurements. The effect of pressure on these thin films modifies the active defects that cause the recombination of deep level states located inside the band gap that emit yellow-green (575 nm) and orange (645 nm) photoluminescence. Copyright © 2012 John Wiley & Sons, Ltd.
Authors:
Danielle Berger; Evaldo Toniolo Kubaski; Thiago Sequinel; Renata Martins da Silva; Sergio Mazurek Tebcherani; José Arana Varela
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-12-18
Journal Detail:
Title:  Luminescence : the journal of biological and chemical luminescence     Volume:  -     ISSN:  1522-7243     ISO Abbreviation:  Luminescence     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-12-20     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100889025     Medline TA:  Luminescence     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 John Wiley & Sons, Ltd.
Affiliation:
UNESP - Institute of Chemistry, Rua Professor Francisco Degni s/n, Araraquara, 14800-900, Araraquara, SP, Brazil. berger.d@iq.unesp.br.
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