采用空气-水界面自组装法制备TiO2纳米粒子,将其放入AgNO3溶液中浸泡,后在较低温度下进行热处理(400℃),获得Ag-TiO2复合纳米颗粒.利用X射线衍射(XRD)仪、扫描电镜(SEM)、透射电镜(TEM)、紫外可见光谱(UV-vis)等分析测试手段进行表征.结果表明:复合粒子可以显著提高TiO2颗粒光催化活性.以甲基橙为模拟污染物,经过光催化试验,证实复合纳米粒子具有较好的光催化活性,降解率达到96.25%.
参考文献
[1] | Osterbacka R;An C P;Jiang X M et al.[J].Science,2000,287:839. |
[2] | Puntes V F;Krishnan K M;Alivisatos A P .[J].Science,2001,291:2115. |
[3] | Liu X H;Afzaal M;Ramasamy K et al.[J].Journal of the American Chemical Society,2009,131(42):15106. |
[4] | Khatua S;Manna P;Chang W S et al.[J].Journal of Physical Chemistry C,2010,114(16):7251. |
[5] | Swarnalatha B;Anjaneyulu Y .[J].Journal of Scientific & Industrial Research,2003,62(09):909. |
[6] | Liu X H;Kan C;Wang X et al.[J].Journal of the American Chemical Society,2006,128(02):430. |
[7] | Rajesh Tayade J;Ramchandra Kulkarni G;Raksh Jasra Ind V .[J].Engineering Chemistry Research,2006,45(03):922. |
[8] | Vohra M S;Tanaka K .[J].Environmental Science and Technology,2001,35(02):411. |
[9] | Yoon S H;Oh S E;Yang J E et al.[J].Environmental Science and Technology,2009,43(03):864. |
[10] | Takashi T;Tetsuro M .[J].Langmuir,2009,25(14):7791. |
[11] | Alvaro M;Aprile C;Benitez M et al.[J].Journal of Physical Chemistry B,2006,110(13):6661. |
[12] | Gardin S;Signorini R;Pistore A et al.[J].Journal of Physical Chemistry C,2010,114(17):7646. |
[13] | Madarász J;Okuya M;Varga P P et al.[J].Journal of Analytical and Applied Pyrolysis,2007,79(1-2):479. |
[14] | Khanna P K;Singh N;Charan S .[J].Materials Letters,2007,61(25):4725. |
[15] | Bhattacharyya S;Gedanken A .[J].Journal of Physical Chemistry C,2008,112(03):659. |
[16] | Yu D;Yam V W W .[J].Journal of the American Chemical Society,2004,126(41):13200. |
[17] | Xin B F;Jing L Q;Ren Z Y et al.[J].Journal of Physical Chemistry B,2005,109(07):2805. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%