4.2 Article

Removal of Congo Red Dye Molecules by MnO2 Nanorods

Journal

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
Volume 14, Issue 9, Pages 7157-7160

Publisher

AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jnn.2014.9217

Keywords

MnO2 Nanorods; Hydrothermal Synthesis; Photocatalytic Properties

Funding

  1. Foundation for Key Project of Ministry of Education, China [211046]
  2. Program for New Century Excellent Talents in Heilongjiang Provincial University [1252-NCET-018]
  3. Scientific Research Fund of Heilongjiang Provincial Education Department [12531179]
  4. Program for Scientific and Technological Innovation Team Construction in Universities of Heilongjiang [2011TD010]

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Uniform MnO2 nanorods were synthesized successfully via a facile and effective hydrothermal approach. Scanning electron microscope images showed that the average diameter of the assynthesized nanorod is about 30 nm and the length of that is about 5 mu m, respectively. Photocatalytic experimental results indicate that Congo red can be degraded nearly completely (over 97%) after visible light irradiation of 120 min, demonstrating potential applications of such nanorod structures for wastewater purification.

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