Journal of Inorganic Materials ›› 2014, Vol. 29 ›› Issue (11): 1204-1210.DOI: 10.15541/jim20140106
• Orginal Article • Previous Articles Next Articles
DU Quan-Chao1,2, Lü Gong-Xuan2
Received:
2014-03-06
Revised:
2014-04-22
Published:
2014-11-20
Online:
2014-10-24
About author:
DU Quan-Chao. E-mail: duquanchao@126.com
CLC Number:
DU Quan-Chao, Lü Gong-Xuan. Visible Light Photocatalytic Properties of Bi2O3 Modified BiPO4 Nanorod Composite Photocatalyst[J]. Journal of Inorganic Materials, 2014, 29(11): 1204-1210.
Fig. 3 The XPS survey spectra and the high-resolution XPS spectra of the S1 and S2 samples (a) The XPS survey spectra of sample S1 and S2; (b) High-resolution XPS spectra of Bi 4f in sample S1 and S2; (c) High-resolution XPS spectra of P 2p in sample S1 and S2; (d) The fitting curves of high-resolution XPS spectra for Bi 4f of sample S2
Peak | Area fit | Center /eV |
---|---|---|
1 | 3450.66 | 158.6 |
2 | 135987.13 | 160.1 |
3 | 4431.80 | 163.9 |
4 | 108638.16 | 165.4 |
Table 1 XPS data of Bi 4f in sample S2
Peak | Area fit | Center /eV |
---|---|---|
1 | 3450.66 | 158.6 |
2 | 135987.13 | 160.1 |
3 | 4431.80 | 163.9 |
4 | 108638.16 | 165.4 |
Samples | SBET/(m²·g-1) | Vpore/(cm3·g-1) | dpore/nm |
---|---|---|---|
S1 | 2.609 | 0.039 | 5.933 |
S2 | 6.104 | 0.077 | 10.15 |
Table 2 The BET data of S1 and S2
Samples | SBET/(m²·g-1) | Vpore/(cm3·g-1) | dpore/nm |
---|---|---|---|
S1 | 2.609 | 0.039 | 5.933 |
S2 | 6.104 | 0.077 | 10.15 |
Fig. 6 The transient photocurrent-time curves of samples S1 and S2 Reaction conditions: 20 (V/V)% ethanol aqueous solution with 0.1 mol/L K2SO4, λ>420 nm
Fig. 7 Light degradation efficiency of S1 and S2 in methylene blue solution The light source is a xenon lamp, cut-off filter λ> 420 nm, the concentration of methylene blue is 10-5 g/L
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