Abstract
This study investigated the production of hydrogen over Cu (1, 5, 10 and 15 mol%)/TiO{sub 2} photocatalysts loaded with CuO, prepared by an impregnation method. The CuO (0 0 2 and 1 1 1 plane) peaks at 2{theta}=35.50 and 38.73 appeared with above 5 mol% loaded TiO{sub 2}. The CuO component (Cu2p{sub 3/2}) at 933.5-934 eV was shown in the XPS band of the Cu/TiO{sub 2} photocatalysts, which increased in size with increasing amount of loaded Cu. All of Ti2p{sub 3/2} bands for Cu/TiO{sub 2} appeared at 458.8 eV, which were assigned to Ti{sup 4+}, most likely due to pure TiO{sub 2}. The measured full widths at half maximum (FWHM) of the Ti2p peaks for Cu/TiO{sub 2} were larger compared to that of pure TiO{sub 2}; a larger FWHM implies a greater amount of less-oxidized metals. The ratios of metal-OH/metal-O in the O1s bands, which imply hydrophilicity, were increased in the Cu/TiO{sub 2} compared to pure TiO{sub 2}. The production of H{sub 2} from methanol/water photodecomposition was greater over the Cu/TiO{sub 2} photocatalysts than over the pure TiO{sub 2}; the production reached 13,500 {mu}mol after 10 h over 10 mol% Cu/TiO{sub 2}. (author)
Choi, Hyung-Joo;
[1]
Kang, Misook
[2]
- Department of Chemical Engineering, College of Environmental Applied Chemistry, KyungHee University, Yongin, Gyeonggi 449-701 (Korea)
- Department of Chemistry, College of Science, Yeungnam University, Gyeongsan, Gyeongbuk 712-749 (Korea)
Citation Formats
Choi, Hyung-Joo, and Kang, Misook.
Hydrogen production from methanol/water decomposition in a liquid photosystem using the anatase structure of Cu loaded TiO{sub 2}.
United Kingdom: N. p.,
2007.
Web.
doi:10.1016/J.IJHYDENE.2007.05.011.
Choi, Hyung-Joo, & Kang, Misook.
Hydrogen production from methanol/water decomposition in a liquid photosystem using the anatase structure of Cu loaded TiO{sub 2}.
United Kingdom.
https://doi.org/10.1016/J.IJHYDENE.2007.05.011
Choi, Hyung-Joo, and Kang, Misook.
2007.
"Hydrogen production from methanol/water decomposition in a liquid photosystem using the anatase structure of Cu loaded TiO{sub 2}."
United Kingdom.
https://doi.org/10.1016/J.IJHYDENE.2007.05.011.
@misc{etde_20969325,
title = {Hydrogen production from methanol/water decomposition in a liquid photosystem using the anatase structure of Cu loaded TiO{sub 2}}
author = {Choi, Hyung-Joo, and Kang, Misook}
abstractNote = {This study investigated the production of hydrogen over Cu (1, 5, 10 and 15 mol%)/TiO{sub 2} photocatalysts loaded with CuO, prepared by an impregnation method. The CuO (0 0 2 and 1 1 1 plane) peaks at 2{theta}=35.50 and 38.73 appeared with above 5 mol% loaded TiO{sub 2}. The CuO component (Cu2p{sub 3/2}) at 933.5-934 eV was shown in the XPS band of the Cu/TiO{sub 2} photocatalysts, which increased in size with increasing amount of loaded Cu. All of Ti2p{sub 3/2} bands for Cu/TiO{sub 2} appeared at 458.8 eV, which were assigned to Ti{sup 4+}, most likely due to pure TiO{sub 2}. The measured full widths at half maximum (FWHM) of the Ti2p peaks for Cu/TiO{sub 2} were larger compared to that of pure TiO{sub 2}; a larger FWHM implies a greater amount of less-oxidized metals. The ratios of metal-OH/metal-O in the O1s bands, which imply hydrophilicity, were increased in the Cu/TiO{sub 2} compared to pure TiO{sub 2}. The production of H{sub 2} from methanol/water photodecomposition was greater over the Cu/TiO{sub 2} photocatalysts than over the pure TiO{sub 2}; the production reached 13,500 {mu}mol after 10 h over 10 mol% Cu/TiO{sub 2}. (author)}
doi = {10.1016/J.IJHYDENE.2007.05.011}
journal = []
issue = {16}
volume = {32}
place = {United Kingdom}
year = {2007}
month = {Nov}
}
title = {Hydrogen production from methanol/water decomposition in a liquid photosystem using the anatase structure of Cu loaded TiO{sub 2}}
author = {Choi, Hyung-Joo, and Kang, Misook}
abstractNote = {This study investigated the production of hydrogen over Cu (1, 5, 10 and 15 mol%)/TiO{sub 2} photocatalysts loaded with CuO, prepared by an impregnation method. The CuO (0 0 2 and 1 1 1 plane) peaks at 2{theta}=35.50 and 38.73 appeared with above 5 mol% loaded TiO{sub 2}. The CuO component (Cu2p{sub 3/2}) at 933.5-934 eV was shown in the XPS band of the Cu/TiO{sub 2} photocatalysts, which increased in size with increasing amount of loaded Cu. All of Ti2p{sub 3/2} bands for Cu/TiO{sub 2} appeared at 458.8 eV, which were assigned to Ti{sup 4+}, most likely due to pure TiO{sub 2}. The measured full widths at half maximum (FWHM) of the Ti2p peaks for Cu/TiO{sub 2} were larger compared to that of pure TiO{sub 2}; a larger FWHM implies a greater amount of less-oxidized metals. The ratios of metal-OH/metal-O in the O1s bands, which imply hydrophilicity, were increased in the Cu/TiO{sub 2} compared to pure TiO{sub 2}. The production of H{sub 2} from methanol/water photodecomposition was greater over the Cu/TiO{sub 2} photocatalysts than over the pure TiO{sub 2}; the production reached 13,500 {mu}mol after 10 h over 10 mol% Cu/TiO{sub 2}. (author)}
doi = {10.1016/J.IJHYDENE.2007.05.011}
journal = []
issue = {16}
volume = {32}
place = {United Kingdom}
year = {2007}
month = {Nov}
}