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报告人：刘 导
帅
师：王国凤
2013.01.05
Figure 1. XRD patterns of samples N0, N0.1, N0.5, N1.0, N1.6, N10 and N100.
Figure 2. High-magnification TEM image of N0.5.
Figure 3. UV-vis diffuse reflection spectra of samples N0, N0.1, N0.5,N1.0, N1.6, N10, and N100. Inset shows the UV-vis absorption spectrum of 0.01 M Ni(NO3)2 aqueous solution.
Figure 10. Proposed mechanism for the enhanced electron transfer in the graphene/g-C3N4 composites.
Figure 11. Comparison of photoluminescence Figure 12. Transient photocurrent responses of spectra of the GC0 (a) and GC1.0 (b) samples. the GC0 (a) and GC1.0 (b) samples in 1 M Na2SO4 aqueous solution under visible-light irradiation at 0.5 V vs Ag/AgCl.
Figure 2. TEM images of graphene oxide (a) and the GC1.0 sample (b).
Figure 3. UV vis diffuse reflection spectra of the GC0,GC0.25,GC0.5, GC1.0, GC2.0, and GC5.0 samples. The inset shows their corresponding colors.
Figure 6. High-resolution XPS spectra of C 1s (A) for the GC1.0 sample (a) and graphene oxide (b) and N 1s (B) for the GC1.0 sample.
Figure 7. IR spectra of the GC0 (a) and GC1.0 (b) samples and graphene oxide (c).
Figure 8. Schematic illustration for the charge transfer and separation in the Ni(OH)2 cluster-modified TiO2 system under UV-LEDs irradiation.
Figure 1. XRD patterns of the GC0 (a), GC0.25 (b), GC0.5 (c), GC1.0 (d), GC2.0 (e), and GC5.0 (f) samples and graphene oxide (g).
Figure 6. Comparison of PL spectra of samples N0 and N0.5.
Figure 7. Comparison of the photocatalytic activity of samples N0, N0.1, N0.5, N1.0, N1.6, N10, and N100 for the photocatalytic H2 production from methanol aqueous solution under UV-LEDs irradiation.
Figure 4. Nitrogen adsorption-desorption isotherms and the corresponding pore-size distribution curves (inset) of samples N0 and N0.5.
Figure 5. High-resolution XPS spectra of Ni 2p of the samples (a) N0.5,(b) N0.5 heated at 400 C for 2 h and (c) N0.5 after 2 h photocatalytic hydrogen production from methanol aqueous solution under UV-LED irradiation.
Figure 8. Raman spectra of the GC0 (a) and GC1.0 (b) samples and graphene oxide (c).
Figure 9. (A) Comparison of the photocatalytic activity of the samples GC0, GC0.25, GC0.5, GC1.0, GC2.0, and GC5.0, and N-doped TiO2 for the photocatalytic H2 production from methanol aqueous solution under visible-light irradiation. (B) Cyclic H2evolution curve for the GC1.0 sample.
源自文库
Figure 4. Nitrogen adsorption-desorption isotherms and the corresponding pore size distribution curves (inset) of the GC0 (a) and GC1.0 (b) samples.
Figure 5. XPS survey spectrum of the GC1.0 sample.
帅
师：王国凤
2013.01.05
Figure 1. XRD patterns of samples N0, N0.1, N0.5, N1.0, N1.6, N10 and N100.
Figure 2. High-magnification TEM image of N0.5.
Figure 3. UV-vis diffuse reflection spectra of samples N0, N0.1, N0.5,N1.0, N1.6, N10, and N100. Inset shows the UV-vis absorption spectrum of 0.01 M Ni(NO3)2 aqueous solution.
Figure 10. Proposed mechanism for the enhanced electron transfer in the graphene/g-C3N4 composites.
Figure 11. Comparison of photoluminescence Figure 12. Transient photocurrent responses of spectra of the GC0 (a) and GC1.0 (b) samples. the GC0 (a) and GC1.0 (b) samples in 1 M Na2SO4 aqueous solution under visible-light irradiation at 0.5 V vs Ag/AgCl.
Figure 2. TEM images of graphene oxide (a) and the GC1.0 sample (b).
Figure 3. UV vis diffuse reflection spectra of the GC0,GC0.25,GC0.5, GC1.0, GC2.0, and GC5.0 samples. The inset shows their corresponding colors.
Figure 6. High-resolution XPS spectra of C 1s (A) for the GC1.0 sample (a) and graphene oxide (b) and N 1s (B) for the GC1.0 sample.
Figure 7. IR spectra of the GC0 (a) and GC1.0 (b) samples and graphene oxide (c).
Figure 8. Schematic illustration for the charge transfer and separation in the Ni(OH)2 cluster-modified TiO2 system under UV-LEDs irradiation.
Figure 1. XRD patterns of the GC0 (a), GC0.25 (b), GC0.5 (c), GC1.0 (d), GC2.0 (e), and GC5.0 (f) samples and graphene oxide (g).
Figure 6. Comparison of PL spectra of samples N0 and N0.5.
Figure 7. Comparison of the photocatalytic activity of samples N0, N0.1, N0.5, N1.0, N1.6, N10, and N100 for the photocatalytic H2 production from methanol aqueous solution under UV-LEDs irradiation.
Figure 4. Nitrogen adsorption-desorption isotherms and the corresponding pore-size distribution curves (inset) of samples N0 and N0.5.
Figure 5. High-resolution XPS spectra of Ni 2p of the samples (a) N0.5,(b) N0.5 heated at 400 C for 2 h and (c) N0.5 after 2 h photocatalytic hydrogen production from methanol aqueous solution under UV-LED irradiation.
Figure 8. Raman spectra of the GC0 (a) and GC1.0 (b) samples and graphene oxide (c).
Figure 9. (A) Comparison of the photocatalytic activity of the samples GC0, GC0.25, GC0.5, GC1.0, GC2.0, and GC5.0, and N-doped TiO2 for the photocatalytic H2 production from methanol aqueous solution under visible-light irradiation. (B) Cyclic H2evolution curve for the GC1.0 sample.
源自文库
Figure 4. Nitrogen adsorption-desorption isotherms and the corresponding pore size distribution curves (inset) of the GC0 (a) and GC1.0 (b) samples.
Figure 5. XPS survey spectrum of the GC1.0 sample.