TY - JOUR
T1 - Hydrothermal preparation of ZnO:CNT and TiO2:CNT composites and their photocatalytic applications
AU - Byrappa, K.
AU - Dayananda, A. S.
AU - Sajan, C. P.
AU - Basavalingu, B.
AU - Shayan, M. B.
AU - Soga, K.
AU - Yoshimura, M.
N1 - Funding Information:
Acknowledgements The authors wish to thank Dr. S. Ananda, DOS in Chemistry, for fruitful discussions and Dr. G. V. Narasimha Rao, ARC International, Hyderabad, for X-ray patterns. This work is supported by Department of Science and Technology, New Delhi, India.
PY - 2008/4
Y1 - 2008/4
N2 - ZnO:CNT and TiO2:CNT composites were fabricated under mild hydrothermal conditions (T = 150-240 °C) with an autogenous pressure. The as prepared composites were characterized using X-ray diffraction, Scanning electron microscopy and FTIR spectroscopy. Photocatalytic applications of the composites were investigated using indigo caramine dye. The effect of the catalyst content, pH of the medium, source and intensity of illumination on the photodegradation of the indigo caramine dye was studied and the efficiency of the composites were investigated based on different parameters like percent transmittance (%T), percent decomposition, and chemical oxygen demand of the dye solution to obtain optimum treatment conditions. The results obtained exhibit higher photocatalytic activity when compared to the reagent grade ZnO, TiO 2 and hydrothermally prepared ZnO:AC and TiO2:AC composites.
AB - ZnO:CNT and TiO2:CNT composites were fabricated under mild hydrothermal conditions (T = 150-240 °C) with an autogenous pressure. The as prepared composites were characterized using X-ray diffraction, Scanning electron microscopy and FTIR spectroscopy. Photocatalytic applications of the composites were investigated using indigo caramine dye. The effect of the catalyst content, pH of the medium, source and intensity of illumination on the photodegradation of the indigo caramine dye was studied and the efficiency of the composites were investigated based on different parameters like percent transmittance (%T), percent decomposition, and chemical oxygen demand of the dye solution to obtain optimum treatment conditions. The results obtained exhibit higher photocatalytic activity when compared to the reagent grade ZnO, TiO 2 and hydrothermally prepared ZnO:AC and TiO2:AC composites.
UR - https://www.scopus.com/pages/publications/40849141982
UR - https://www.scopus.com/pages/publications/40849141982#tab=citedBy
U2 - 10.1007/s10853-007-1989-8
DO - 10.1007/s10853-007-1989-8
M3 - Article
AN - SCOPUS:40849141982
SN - 0022-2461
VL - 43
SP - 2348
EP - 2355
JO - Journal of Materials Science
JF - Journal of Materials Science
IS - 7
ER -