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广西大学化学化工学院 广西石化资源加工及过程强化技术重点实验室,广西 南宁,530004
纸质出版日期:2015-5-3,
收稿日期:2015-3-11,
修回日期:2015-4-10,
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赵慧凯, 杨昆, 黄艳桃等. CdTe量子点/膨润土复合材料的制备及其光催化降解甲基橙[J]. 发光学报, 2015,36(5): 515-520
ZHAO Hui-kai, YANG kun, HUANG Yan-tao etc. Preparation of CdTe/Bentonite Composites and Its Application in Degradation of Methyl Orange[J]. Chinese Journal of Luminescence, 2015,36(5): 515-520
赵慧凯, 杨昆, 黄艳桃等. CdTe量子点/膨润土复合材料的制备及其光催化降解甲基橙[J]. 发光学报, 2015,36(5): 515-520 DOI: 10.3788/fgxb20153605.0515.
ZHAO Hui-kai, YANG kun, HUANG Yan-tao etc. Preparation of CdTe/Bentonite Composites and Its Application in Degradation of Methyl Orange[J]. Chinese Journal of Luminescence, 2015,36(5): 515-520 DOI: 10.3788/fgxb20153605.0515.
以CdCl
2
和Na
2
TeO
3
为反应物
抗坏血酸为还原剂
通过湿化学法合成CdTe量子点/膨润土复合材料。采用X射线衍射、荧光光谱及紫外-可见光谱等分析技术对其结构及光学性能进行表征。以汞灯为光源
甲基橙为目标污染物
研究了CdTe/膨润土复合材料的光催化活性。实验表明:在甲基橙溶液初始浓度为10 mg/L 时
经汞灯光照反应60 min后
CdTe/膨润土因光催化反应对甲基橙的降解率为66.23%
优于CdTe量子点光催化剂。
CdTe/bentonite composites were successfully prepared by using CdCl
2
and Na
2
TeO
3
as reactants and ascorbic acid as reducing agent. The obtained samples were characterized by X-ray diffraction (XRD)
fluorescence spectrophotometer and ultraviolet-visible spectra (UV-Vis). The effect of CdTe/bentonite composites on photocatalysis degradation of methyl orange was investigated in detail. Under irradiation by mercury lamp for 60 min
it was found that 66.23% of degradation rate was achieved when the dye initial concentration was 10 mg/L. The experiment results show that the performance of CdTe/bentonite composites catalyst is superior to pure CdTe quantum dots.
CdTe膨润土光催化降解
CdTebentonitephotocatalysisdegradation
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