期刊
RSC ADVANCES
卷 8, 期 57, 页码 32747-32755出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8ra06477f
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资金
- Qatar National Research Fund (a member of Qatar Foundation) [NPRP 7-485-1-091]
In the last few decades, TiO2 has been widely used in different types of photocatalytic applications. However, the relatively large optical band gap (approximate to 3.2 eV), low charge carrier mobility and consequently its low quantum efficiency limit its photocatalytic activity. Herein, we construct a novel nanostructured heterojunction of WON/TiO2 nanofibers (NFs) by integration of TiO2 nanofibers synthesized by electrospinning of a polymer solution containing a titanium(iv) butoxide precursor with WON nanoparticles fabricated via annealing of a WO3 precursor in dry ammonia at 700 degrees C. The synthesized photocatalysts were characterized using different spectroscopic techniques. Their photocatalytic performance towards the degradation of methyl orange, methylene blue, and phenol as model contaminants was investigated and the charge transfer process was elucidated and compared to that of a TiO2/WO3 heterojunction.
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