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Photocatalytic Decomposition of Rhodamine B over PbMoO4 Oxides Prepared Using Microwave-assisited Process
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  • Journal title : Clean Technology
  • Volume 21, Issue 3,  2015, pp.178-183
  • Publisher : The Korean Society of Clean Technology
  • DOI : 10.7464/ksct.2015.21.3.178
 Title & Authors
Photocatalytic Decomposition of Rhodamine B over PbMoO4 Oxides Prepared Using Microwave-assisited Process
Hong, Seong-Soo;
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Lead molybdate (PbMoO4) oxides were successfully synthesized using a conventional hydrothermal method and a microwave-assisted hydrothermal method. They were characterized by XRD, DRS, BET, Raman, SEM and PL. We also investigated the photocatalytic activity of these materials for the decomposition of Rhodamine B under UV-light irradiation. From XRD and Raman results, well-crystallized PbMoO4 crystals have been successfully synthesized regardless of preparation method and had 42~59 nm particle size. The PbMoO4 catalysts prepared using microwave-assisted process had the similar particle size and enhanced the photocatalytic activity when compared to that prepared by hydrothermal method. The PbMoO4 catalysts prepared under the irradiation of microwave for 75 min showed the highest photocatalytic activity. The PL peaks appears at about 530 nm at all catalysts and it was also shown that the excitonic PL signal is proportional to the photocatalytic activity for the decomposition of Rhodamine B.
PbMoO4 catalysts;Microwave-assisted process;Photocatalytic decomposition of Rhodamine B;
 Cited by
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