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- Title
Synthesis and characterization of recyclable PVA/SrTiO<sub>3</sub>/Ag<sub>2</sub>O composite with photocatalytic degradation performance of methylene blue.
- Authors
Chen, Xiaofei; Qi, Haojie; Zhang, Chenyang; Ma, Lei; Li, Zaixing; Chen, Ping; Xing, Qian; Sun, Qing; Yan, Zhibin
- Abstract
The recyclable polyvinyl alcohol/strontium titanate/silver oxide (PVA/SrTiO3/Ag2O) composite with photocatalytic performance is successfully synthesized using the co-precipitation and sol–gel methods. The composition, morphology and optical properties on the composites are analyzed with the X-ray diffraction, scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy, X-ray photoelectron spectroscopy, ultraviolet–visible spectrophotometry, fluorescence spectrophotometry and electron paramagnetic resonance. The photocatalytic degradation efficiency of PVA/SrTiO3/Ag2O composite to 20 ppm methylene blue (MB) under UV light reaches 88%. The effects of the initial MB concentration and pH on the photocatalytic performance are analyzed. The recyclability of catalyst is evaluated.
- Subjects
METHYLENE blue; PHOTODEGRADATION; ELECTRON paramagnetic resonance; SILVER phosphates; STRONTIUM titanate; X-ray photoelectron spectroscopy; WASTE recycling
- Publication
Applied Physics A: Materials Science & Processing, 2022, Vol 128, Issue 5, p1
- ISSN
0947-8396
- Publication type
Article
- DOI
10.1007/s00339-022-05510-3