Abstract
The performance of CeO2-TiO2 photocatalyst for the photocatalytic reduction of CO2 into methanol was studied under visible light irradiation. The as-prepared catalysts were characterized for their structural, textural and optical properties using X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), X-ray photoelectron spectroscopy (XPS), nitrogen physisorption analysis, UV-vis spectroscopy and photoluminescence (PL) spectroscopy. The characterization results indicated that the presence of CeO2 stabilized the anatase phase of TiO2, decreased its crystallite size, increased the surface area, reduced the band gap energy and lowered the rate of electron-hole pair recombination. The CeO2-TiO2 photocatalyst showed an increased methanol yield of 18.6 μmol/g under visible light irradiation, compared to the bare TiO2 (6.0 μmol/g).
| Original language | English |
|---|---|
| Pages (from-to) | 1155-1161 |
| Number of pages | 7 |
| Journal | Journal of Rare Earths |
| Volume | 33 |
| Issue number | 11 |
| DOIs | |
| Publication status | Published - 1 Nov 2015 |
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Keywords
- ceria
- CO photoreduction
- methanol
- rare earths
- TiO photocatalyst
- visible light
ASJC Scopus subject areas
- Geochemistry and Petrology
- Chemistry(all)
Cite this
CeO2-TiO2 as a visible light active catalyst for the photoreduction of CO2 to methanol. / Abdullah, Hamidah; Khan, Maksudur R.; Pudukudy, Manoj; Yaakob, Zahira; Ismail, Nur Aminatulmimi.
In: Journal of Rare Earths, Vol. 33, No. 11, 01.11.2015, p. 1155-1161.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - CeO2-TiO2 as a visible light active catalyst for the photoreduction of CO2 to methanol
AU - Abdullah, Hamidah
AU - Khan, Maksudur R.
AU - Pudukudy, Manoj
AU - Yaakob, Zahira
AU - Ismail, Nur Aminatulmimi
PY - 2015/11/1
Y1 - 2015/11/1
N2 - The performance of CeO2-TiO2 photocatalyst for the photocatalytic reduction of CO2 into methanol was studied under visible light irradiation. The as-prepared catalysts were characterized for their structural, textural and optical properties using X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), X-ray photoelectron spectroscopy (XPS), nitrogen physisorption analysis, UV-vis spectroscopy and photoluminescence (PL) spectroscopy. The characterization results indicated that the presence of CeO2 stabilized the anatase phase of TiO2, decreased its crystallite size, increased the surface area, reduced the band gap energy and lowered the rate of electron-hole pair recombination. The CeO2-TiO2 photocatalyst showed an increased methanol yield of 18.6 μmol/g under visible light irradiation, compared to the bare TiO2 (6.0 μmol/g).
AB - The performance of CeO2-TiO2 photocatalyst for the photocatalytic reduction of CO2 into methanol was studied under visible light irradiation. The as-prepared catalysts were characterized for their structural, textural and optical properties using X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), X-ray photoelectron spectroscopy (XPS), nitrogen physisorption analysis, UV-vis spectroscopy and photoluminescence (PL) spectroscopy. The characterization results indicated that the presence of CeO2 stabilized the anatase phase of TiO2, decreased its crystallite size, increased the surface area, reduced the band gap energy and lowered the rate of electron-hole pair recombination. The CeO2-TiO2 photocatalyst showed an increased methanol yield of 18.6 μmol/g under visible light irradiation, compared to the bare TiO2 (6.0 μmol/g).
KW - ceria
KW - CO photoreduction
KW - methanol
KW - rare earths
KW - TiO photocatalyst
KW - visible light
UR - http://www.scopus.com/inward/record.url?scp=84946823049&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84946823049&partnerID=8YFLogxK
U2 - 10.1016/S1002-0721(14)60540-8
DO - 10.1016/S1002-0721(14)60540-8
M3 - Article
AN - SCOPUS:84946823049
VL - 33
SP - 1155
EP - 1161
JO - Journal of Rare Earths
JF - Journal of Rare Earths
SN - 1002-0721
IS - 11
ER -