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通过XRD、TEM测试研究了自制ZnO/Ag纳米复合材料的结构和形貌,通过UV检测确定了以该纳米复合材料为光催化剂,在不同条件下对甲基橙的光催化降解率.结果表明:与空气煅烧相比,真空煅烧所得纳米复合材料的光催化降解效果更好,且光催化降解率随纳米复合材料用量增加而增大;甲基橙溶液的pH在5左右时,光催化降解率最高;H2O2浓度为0.9 g/L时,光催化降解率可达100%.

参考文献

[1] Prashant;V Kamat et al.[J].Journal of Physical Chemistry B,2002,106:788.
[2] Marion Lackhoff;Reinhard Niessner .Photocatalytic atrazine degradation by synthetic minerals, atmospheric aerosols, and soil particles[J].Environmental Science & Technology: ES&T,2002(24):5342-5347.
[3] Nagaveni K;Sivalingam G;Hegde M S .[J].Environmental Science and Technology,2004,38:1600.
[4] Leo Chau-Kuang Liau;Ming-Te Tung .Kinetic Investigation of Photocatalytic Effects on Poly(vinyl butyral) Photodegradation[J].Industrial & Engineering Chemistry Research,2006(7):2199-2205.
[5] Khodja A A;Sehili T et al.[J].Journal of Photochemistry and Photobiology A:Chemistry,2001,141:231.
[6] Yeber MC.;Freer J.;Duran N.;Mansilla HD.;Rodriguez J. .Photocatalytic degradation of cellulose bleaching effluent by supported TiO2 and ZnO[J].Chemosphere,2000(8):1193-1197.
[7] StroyuklA L;ShvalaginlV V;Kuchmii S Ya .[J].Journal Theoretical and Experimental Chemistry,2004,40(02):98.
[8] 彭峰,陈水辉,张雷,王红娟,谢志勇.纳米ZnO薄膜的制备及其可见光催化降解甲基橙[J].物理化学学报,2005(08):944-948.
[9] 弓晓峰,刘春英,祝林慧.纳米TiO2用于甲基橙溶液的光催化氧化研究[J].光散射学报,2003(01):32-37.
[10] Kazuhiko Maeda;Tsuyoshi Takata;Michikazu Hara;Nobuo Saitoh Yasunobu lnoue;Hisayoshi Kobayashi;Kazunari Domen .GaN:ZnO Solid Solution as a Photocatalyst for Visible-Light-Driven Overall Water Splitting[J].Journal of the American Chemical Society,2005(23):8286-8287.
[11] 孙德智;于秀娟;冯玉杰.环境工程中的高级氧化技术[M].北京:化学工业出版社,2002:220.
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