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Synthesis of PbMo1-xCrxO4 Oxides Prepared Using Hydrothermal Process and their Photocatalytic Activity
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  • Journal title : Applied Chemistry for Engineering
  • Volume 26, Issue 6,  2015, pp.714-718
  • Publisher : The Korean Society of Industrial and Engineering Chemistry
  • DOI : 10.14478/ace.2015.1103
 Title & Authors
Synthesis of PbMo1-xCrxO4 Oxides Prepared Using Hydrothermal Process and their Photocatalytic Activity
Song, Young In; Hong, Seong-Soo;
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Both lead molybdate () and chromium substituted lead molybdate () were successfully synthesized using a conventional hydrothermal method and characterized by XRD, DRS, Raman, SEM and PL. We also investigated the photocatalytic activity of these materials for the decomposition of rhodamine B under UV-visible irradiation. The XRD and Raman results revealed the successful synthesis of well-crystallized crystals with the diameter of 51-59 nm, regardless of the addition of chromium ion. The DRS spectra of catalysts showed new intensive absorption bands in the visible region. The catalysts showed the lowest photocatalytic activity and the activity increased with an increase of chromium substitution amounts under visible irradiation. PL peaks appeared at about 540-580 nm for all catalysts and excitonic PL signals were proportional to the photocatalytic activity for the decomposition of rhodamine B.
and catalysts;hydrothermal process;photocatalytic decomposition of Rhodamine B;
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