Journal
CATALYSIS COMMUNICATIONS
Volume 136, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.catcom.2019.105920
Keywords
Solvothermal router; 2-Methoxyethanol; Photodegradation of rhodanine B; Monoclinic-tetragonal heterostructured BiVO4
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Funding
- Vietnam National Foundation for Science and Technology Development (NAFOSTED) [104.05-2017.315]
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We synthesized BiVO4 photocatalysts using a facile solvothermal router and three different mixed solvents, 2-methoxyethanol (MEOH), 1,2-ethanediol (EDOH), and 1,2,3-propanetriol (PTOH) with water, which we then characterized by XRD, XPS, FE-SEM, and UV-vis DRS. The XRD results show that we obtained single-phase monoclinic scheelite (m-s BiVO4) in the EDOH/water and PTOH/water -systems and .monoclinic/tetragonal heterostructure BiVO4 (m-t BiVO4) in the MEOH and water mixture. m-t BiVO4 with a monoclinic/tetragonal heterostructure prevents the recombination of photoexcited electron-hole pairs. As such, of the three samples, the m-t BiVO4 material showed the highest activity in the photodecomposition of rhodamine B.
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