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Synthesis and highly visible-induced photocatalytic activity of CNT-CdSe composite for methylene blue solution.

Chen ML, Oh WC - Nanoscale Res Lett (2011)

Bottom Line: Carbon nanotube-cadmium selenide (CNT-CdSe) composite was synthesized by a facile hydrothermal method derived from multi-walled carbon nanotubes as a stating material.The as-prepared products were characterized by X-ray diffraction, scanning electron microscopy with energy dispersive X-ray analysis, transmission electron microscopy (TEM), and UV-vis diffuse reflectance spectrophotometer.The as-synthesized CNT-CdSe composite efficiently catalyzed the photodegradation of methylene blue in aqueous solutions under visible-light irradiation, exhibiting higher photocatalytic activity.

View Article: PubMed Central - HTML - PubMed

Affiliation: Department of Advanced Materials Science & Engineering, Hanseo University, Seosan-si, Chungnam-do, 356-706, Korea. wc_oh@hanseo.ac.kr.

ABSTRACT
Carbon nanotube-cadmium selenide (CNT-CdSe) composite was synthesized by a facile hydrothermal method derived from multi-walled carbon nanotubes as a stating material. The as-prepared products were characterized by X-ray diffraction, scanning electron microscopy with energy dispersive X-ray analysis, transmission electron microscopy (TEM), and UV-vis diffuse reflectance spectrophotometer. The as-synthesized CNT-CdSe composite efficiently catalyzed the photodegradation of methylene blue in aqueous solutions under visible-light irradiation, exhibiting higher photocatalytic activity.

No MeSH data available.


UV-vis diffuse reflectance spectra of CdSe and CNT-CdSe composite.
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Figure 6: UV-vis diffuse reflectance spectra of CdSe and CNT-CdSe composite.

Mentions: Figure 6 shows the UV-vis diffuse reflectance spectra of CdSe and CNT-CdSe composite. The reflectance characteristics of the CdSe composite were quite similar to that of the CNT-CdSe composite except the CdSe composite has an absorption edge at 830 nm. We can use the following formula to calculate the band gap energy of CdSe.


Synthesis and highly visible-induced photocatalytic activity of CNT-CdSe composite for methylene blue solution.

Chen ML, Oh WC - Nanoscale Res Lett (2011)

UV-vis diffuse reflectance spectra of CdSe and CNT-CdSe composite.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC3211492&req=5

Figure 6: UV-vis diffuse reflectance spectra of CdSe and CNT-CdSe composite.
Mentions: Figure 6 shows the UV-vis diffuse reflectance spectra of CdSe and CNT-CdSe composite. The reflectance characteristics of the CdSe composite were quite similar to that of the CNT-CdSe composite except the CdSe composite has an absorption edge at 830 nm. We can use the following formula to calculate the band gap energy of CdSe.

Bottom Line: Carbon nanotube-cadmium selenide (CNT-CdSe) composite was synthesized by a facile hydrothermal method derived from multi-walled carbon nanotubes as a stating material.The as-prepared products were characterized by X-ray diffraction, scanning electron microscopy with energy dispersive X-ray analysis, transmission electron microscopy (TEM), and UV-vis diffuse reflectance spectrophotometer.The as-synthesized CNT-CdSe composite efficiently catalyzed the photodegradation of methylene blue in aqueous solutions under visible-light irradiation, exhibiting higher photocatalytic activity.

View Article: PubMed Central - HTML - PubMed

Affiliation: Department of Advanced Materials Science & Engineering, Hanseo University, Seosan-si, Chungnam-do, 356-706, Korea. wc_oh@hanseo.ac.kr.

ABSTRACT
Carbon nanotube-cadmium selenide (CNT-CdSe) composite was synthesized by a facile hydrothermal method derived from multi-walled carbon nanotubes as a stating material. The as-prepared products were characterized by X-ray diffraction, scanning electron microscopy with energy dispersive X-ray analysis, transmission electron microscopy (TEM), and UV-vis diffuse reflectance spectrophotometer. The as-synthesized CNT-CdSe composite efficiently catalyzed the photodegradation of methylene blue in aqueous solutions under visible-light irradiation, exhibiting higher photocatalytic activity.

No MeSH data available.