Bibliographic Details
| Title: |
PREPARATION AND PHOTOCATALYTIC ACTIVITIES OF NANOCOMPOSITES OF MCNTs/TiO2 AND MCNTs-PHOSPHOTUNGSTIC ACID/TiO2. |
| Authors: |
Zhidong Wei1, Rui Wang1 ree_wong@hotmail.com |
| Source: |
Petroleum & Coal. 2014, Vol. 56 Issue 5, p475-479. 5p. |
| Subject Terms: |
*CARBON nanotubes, *NANOCOMPOSITE materials, *PHOSPHOTUNGSTIC acids |
| Abstract: |
Loading multi-walled carbon nanotubes(MCNTs) and/or Phosphotungstic acid (HPW) with TiO2 was performed by sol-gel method. The photocatalytic activities of them were evaluated via experiment on ultraviolet light degradation methyl orange. It was found that either MCNTs/TiO2 or MCNTs/HPW/TiO2 nanocomposites exhibits a higher photocatalytic activity than that of pure TiO2.An optimum value reached at the HPW/TiO2 molar ratio is 0.08 in the presence of 0.025g MCNTs. With this co-doped catalyst composites, the decomposition ratio of methyl orange solution reaches 93.7% after 2.5h photocatalytic reaction, compared to 64.9% for pure TiO2 and 83.7% for MCNTs/TiO2. [ABSTRACT FROM AUTHOR] |
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| Database: |
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