Journal
MATERIALS CHARACTERIZATION
Volume 105, Issue -, Pages 24-29Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.matchar.2015.04.016
Keywords
PbWO4; Mesociystal; Erythrocyte-like; Photocatalytic activity
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Funding
- National Natural Science Foundation of China [11205127]
- Youth Innovation Research Team of Sichuan for Carbon Nanomaterials [2011JTD0017]
- Open Foundation of State Key Laboratory Cultivation Base for Nonmetal Composites and Functional Materials [11zxfk26]
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Novel erythrocyte-like Y-doped PbWO4 mesocrystals with average diameter and thickness of 1.5 and 0.7 mu m are fabricated via a facile co-precipitation route at room temperature in the ethylene glycol (EG)-water mixed solvent. Time-dependent samples centrifuged at different times are carefully characterized by powder X-ray diffraction (pXRD), field-emission scanning electron microscopy (FE-SEM), high-resolution transmission electron microscopy (HRTEM) and Raman spectrum. The possible formation mechanism for the novel erythrocyte-like mesocrystals is proposed on the basis of these observations. The photocatalytic activity of the Y-doped PbWO4 mesocrystals is further investigated in terms of the degradation of the acid orange II under UV irradiation. This simple and environment-friendly strategy presented here offers promising route for the synthesis of other inorganic materials with unique morphologies and interesting properties. (C) 2015 Elsevier Inc All tights reserved.
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