Journal of Inorganic Materials ›› 2016, Vol. 31 ›› Issue (9): 929-934.DOI: 10.15541/jim20160004
• Orginal Article • Previous Articles Next Articles
YAO Guang-Yuan, HUANG Wei-Xin, LI Chun-Quan, SUN Zhi-Ming, ZHENG Shui-Lin
Received:
2016-01-04
Revised:
2016-04-11
Published:
2016-09-20
Online:
2016-08-29
About author:
YAO Guang-Yuan. E-mail: guangyuanyao1990@163.com
CLC Number:
YAO Guang-Yuan, HUANG Wei-Xin, LI Chun-Quan, SUN Zhi-Ming, ZHENG Shui-Lin. Preparation and Photocatalytic Performance of g-C3N4/Kaolinite Composite[J]. Journal of Inorganic Materials, 2016, 31(9): 929-934.
Samples | BET surface area /(m2·g-1) | Pore volume /(cm3·g-1) | Average pore diameter /nm |
---|---|---|---|
KA | 21.77 | 0.055 | 9.16 |
KA/ g-C3N4 (H+)-6︰3 | 26.17 | 0.060 | 8.30 |
g-C3N4 | 15.32 | 0.049 | 11.18 |
g-C3N4 (H+) | 18.19 | 0.048 | 9.53 |
Table 1 BET surface area, pore volume and average pore diameter of kaolinite, g-C3N4, g-C3N4(H+) and KA/CN(H+)-6︰3
Samples | BET surface area /(m2·g-1) | Pore volume /(cm3·g-1) | Average pore diameter /nm |
---|---|---|---|
KA | 21.77 | 0.055 | 9.16 |
KA/ g-C3N4 (H+)-6︰3 | 26.17 | 0.060 | 8.30 |
g-C3N4 | 15.32 | 0.049 | 11.18 |
g-C3N4 (H+) | 18.19 | 0.048 | 9.53 |
Samples | Pseudo-first order | ||
---|---|---|---|
Fitted equation | k/min-1 | Correlation coefficient (R2) | |
g-C3N4 | y=0.00061x+0.0491 | 0.00061 | 0.9989 |
KA/ g-C3N4 (H+)-4︰3 | y=0.00396x+0.2844 | 0.00396 | 0.9976 |
KA/ g-C3N4 (H+)-5︰3 | y=0.00372x+0.3026 | 0.00372 | 0.9973 |
KA/ g-C3N4 (H+)-6︰3 | y=0.00526x+0.4479 | 0.00526 | 0.9969 |
KA/ g-C3N4 (H+)-7︰3 | y=0.00274x+0.3261 | 0.00274 | 0.9971 |
g-C3N4 (H+) | y=0.00102x+0.0553 | 0.00102 | 0.9984 |
KA+ g-C3N4 (H+) | y=0.00036x+0.2684 | 0.00036 | 0.9918 |
Table 2 Parameters of the pseudo-first order for RhB degradation under visible light over various catalysts
Samples | Pseudo-first order | ||
---|---|---|---|
Fitted equation | k/min-1 | Correlation coefficient (R2) | |
g-C3N4 | y=0.00061x+0.0491 | 0.00061 | 0.9989 |
KA/ g-C3N4 (H+)-4︰3 | y=0.00396x+0.2844 | 0.00396 | 0.9976 |
KA/ g-C3N4 (H+)-5︰3 | y=0.00372x+0.3026 | 0.00372 | 0.9973 |
KA/ g-C3N4 (H+)-6︰3 | y=0.00526x+0.4479 | 0.00526 | 0.9969 |
KA/ g-C3N4 (H+)-7︰3 | y=0.00274x+0.3261 | 0.00274 | 0.9971 |
g-C3N4 (H+) | y=0.00102x+0.0553 | 0.00102 | 0.9984 |
KA+ g-C3N4 (H+) | y=0.00036x+0.2684 | 0.00036 | 0.9918 |
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