Journal
NANOSCALE RESEARCH LETTERS
Volume 11, Issue -, Pages -Publisher
SPRINGER
DOI: 10.1186/s11671-016-1246-7
Keywords
Ag/Cu2O; Composites; Photocatalytic activity
Funding
- Encouragement Foundation for Excellent Middle-Aged and Young Scientist of Shandong Province [BS2014CL012, BS2013CL020]
- National Natural Science Foundation of China [21505050, 11304120, 61504048, 61575081]
- Project of Shandong Province Higher Educational Science and Technology Program [J15LJ06]
- Shandong Provincial Natural Science Foundation [ZR2013AM008]
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Ag/Cu2O microstructures with diverse morphologies have been successfully synthesized with different initial reagents of silver nitrate (AgNO3) by a facile one-step solvothermal method. Their structural and morphological characteristics were carefully investigated by means of X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM), and the experimental results showed that the morphologies transformed from microcubes for pure Cu2O to microspheres with rough surfaces for Ag/Cu2O. The photocatalytic activities were evaluated by measuring the degradation of methyl orange (MO) aqueous solution under visible light irradiation. The photocatalytic efficiencies of MO firstly increased to a maximum and then decreased with the increased amount of AgNO3. The experimental results revealed that the photocatalytic activities were significantly influenced by the amount of AgNO3 during the preparation process. The possible reasons for the enhanced photocatalytic activities of the as-prepared Ag/Cu2O composites were discussed.
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