Supplementary Information for
Supplementary Information
for
Hierarchical CuO-TiO 2 Hollow Microspheres for Highly Efficient Photodriven Reduction of CO2 to CH4 Baizeng Fang,† Yalan Xing,†,‡ Arman Bonakdarpour,† Shichao Zhang*,‡ and David P. Wilkinson*,† †
Department of Chemical & Biological Engineering, University of British Columbia, 2360 East Mall, Vancouver, B.C., Canada V6T 1Z3. E-mail: [email protected] (D. Wilkinson)
‡
School of Materials Science and Engineering, Beihang University, 37 Xueyuan Road, Beijing, 100191, People’s Republic of China. E-mail: [email protected] (S. Zhang)
Figure S1. XRD pattern for the CuO(10 wt%)-TiO2 hollow microspheres.
S2
Figure S2. XPS spectra for the CuO(1 wt%)-TiO2 hollow microspheres.
S3
Figure S3. STEM images for the CuO(3 wt%)-TiO2 microspheres.
S4
Figure S4. EDS elemental mapping for the CuO(3 wt%)-TiO2 microspheres.
S5
Figure S5. High-resolution XPS spectra for the Cu2O-TiO2 and Cu-TiO2 microspheres.
S6
Figure S6. XPS spectra for the Co-TiO2 hollow microspheres.
S7
S1
Figure S1. XRD pattern (A) and magnified pattern (B) for the CuO(10 wt%)-TiO2 hollow microsphere recorded on a Bruker AXS D2 Phaser X-ray powder diffractometer by using Cu Kα radiation as the X-ray source and operated at 30 kV and 10 mA. S2
Figure S2. XPS survey spectrum (A) and the high-resolution spectrum of the Cu 2p doublet (B) for the CuO(1 wt%)-TiO2 hollow microsphere.
S3
Figure S3. Representative STEM images with various magnifications for the CuO(3 wt%)-TiO2 hollow microspheres.
S4
Figure S4. EDS elemental mapping for the CuO(3 wt%)-TiO2 hollow microspheres.
S5
Figure S5. High-resolution XPS spectra of the Cu 2p doublet for the Cu2O-TiO2 and Cu-TiO2 hollow microsphere.
S6
Figure S6. XPS survey spectrum (A) and the high-resolution spectrum of the Co 2p doublet (B) for the Co-TiO2 hollow microsphere.
S7
for
Hierarchical CuO-TiO 2 Hollow Microspheres for Highly Efficient Photodriven Reduction of CO2 to CH4 Baizeng Fang,† Yalan Xing,†,‡ Arman Bonakdarpour,† Shichao Zhang*,‡ and David P. Wilkinson*,† †
Department of Chemical & Biological Engineering, University of British Columbia, 2360 East Mall, Vancouver, B.C., Canada V6T 1Z3. E-mail: [email protected] (D. Wilkinson)
‡
School of Materials Science and Engineering, Beihang University, 37 Xueyuan Road, Beijing, 100191, People’s Republic of China. E-mail: [email protected] (S. Zhang)
Figure S1. XRD pattern for the CuO(10 wt%)-TiO2 hollow microspheres.
S2
Figure S2. XPS spectra for the CuO(1 wt%)-TiO2 hollow microspheres.
S3
Figure S3. STEM images for the CuO(3 wt%)-TiO2 microspheres.
S4
Figure S4. EDS elemental mapping for the CuO(3 wt%)-TiO2 microspheres.
S5
Figure S5. High-resolution XPS spectra for the Cu2O-TiO2 and Cu-TiO2 microspheres.
S6
Figure S6. XPS spectra for the Co-TiO2 hollow microspheres.
S7
S1
Figure S1. XRD pattern (A) and magnified pattern (B) for the CuO(10 wt%)-TiO2 hollow microsphere recorded on a Bruker AXS D2 Phaser X-ray powder diffractometer by using Cu Kα radiation as the X-ray source and operated at 30 kV and 10 mA. S2
Figure S2. XPS survey spectrum (A) and the high-resolution spectrum of the Cu 2p doublet (B) for the CuO(1 wt%)-TiO2 hollow microsphere.
S3
Figure S3. Representative STEM images with various magnifications for the CuO(3 wt%)-TiO2 hollow microspheres.
S4
Figure S4. EDS elemental mapping for the CuO(3 wt%)-TiO2 hollow microspheres.
S5
Figure S5. High-resolution XPS spectra of the Cu 2p doublet for the Cu2O-TiO2 and Cu-TiO2 hollow microsphere.
S6
Figure S6. XPS survey spectrum (A) and the high-resolution spectrum of the Co 2p doublet (B) for the Co-TiO2 hollow microsphere.
S7
