期刊
PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS
卷 8, 期 10, 页码 836-840出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/pssr.201409225
关键词
graphene oxide; graphene; ZnO; photoluminescence; optoelectronic properties
资金
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education, Science and Technology [2011-0014415]
- MSIP (Ministry of Science, ICT and Future Planning), Korea, under the Creative ICT Convergence Human Resource Development Program
- Korean Ministry of Education, Science Technology [2013-0024700]
- National Research Foundation of Korea [2011-0014415] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
We report on the aerosol synthesis and optical characterization of ZnO/unoxidized graphene (UG) platelets nanocomposite films with high optical transparency (>85% at visible wavelengths). The ZnO/UG composite films, in which UG nanoplatelets are embedded in nano-grained ZnO, were fabricated from colloidal suspensions of UG platelets with an aqueous zinc precursor. From photoluminescence (PL) spectra of the UG composite films, it was found that PL intensity decreases with the addition of UG platelets. The features of PL intensity in the UG composites are in contrast to that of ZnO/graphene oxide (G-O) platelets composites, and can be explained by the absence of an oxygen vacancy filling effect, due to the unoxidized nature of UG and an increase in defect sites in its composites. ((c) 2014 WILEY-VCH Verlag GmbH &Co. KGaA, Weinheim)
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