用化学氧化聚合法制备了导电聚合物聚3-己基噻吩(P3HT).用聚3-己基噻吩改性纳米二氧化钛,合成TiO2/P3HT纳米复合微粒.对其光催化降解甲基橙的反应动力学进行了分析,测定了反应的表观活化能.结果表明,纯纳米TiO2和TiO2/P3HT纳米复合微粒光催化降解甲基橙的反应均为一级反应;纳米TiO2经聚3-己基噻吩(P3HT)修饰后在可见光下的光催化活性得到提高,且提高降解温度有利于提高甲基橙的降解率,纳米TiO2经P3HT修饰后降解甲基橙的表观活化能由23.44 KJ/mol下降到19.36 kJ/mol.
参考文献
| [1] | S.K. Kansal;M. Singh;D. Sud .Studies on photodegradation of two commercial dyes in aqueous phase using different photocatalysts[J].Journal of hazardous materials,2007(3):581-590. |
| [2] | M.Faisal;M.Abu Tariq;M.Muneer .Photocatalysed degradation of two selected dyes in UV-irradiated aqueous suspensions of titania[J].Dyes and Pigments,2007(26):233-239. |
| [3] | 于慧,于美燕,张玥,孙伟伟,刘盈.N与过渡金属共掺杂TiO2理论模型的设计[J].人工晶体学报,2013(06):1058-1063. |
| [4] | 王勇,陈桂华,李李泉,杨辉.可见光响应氮掺杂TiO2制备与性能表征[J].人工晶体学报,2012(04):1053-1058,1065. |
| [5] | Teruhisa Ohno;Miyako Akiyoshi;Tsutomu Umebayashi;Keisuke Asai;Takahiro Mitsui;Michio Matsumura .Preparation of S-doped TiO_2 photocatalysts and their photocatalytic activities under visible light[J].Applied Catalysis, A. General: An International Journal Devoted to Catalytic Science and Its Applications,2004(1):115-121. |
| [6] | Nae-Lih Wu;Min-Shuei Lee .Enhanced TiO_2 photocatalysis by Cu in hydrogen production from aqueous methanol solution[J].International journal of hydrogen energy,2004(15):1601-1605. |
| [7] | 白力静,寇刚,龚振瑶,赵志明.不同结构TiO2-ZnO异质复合膜光催化活性的研究[J].人工晶体学报,2013(12):2654-2660. |
| [8] | 郏青峰,刘向阳,崔玉民,韩静瑜,朱良俊,张梦娟,张文保.MoO3/TiO2复合催化剂的制备及光活性[J].人工晶体学报,2013(12):2601-2606. |
| [9] | Yao KS;Wang DY;Chang CY;Weng KW;Yang LY;Lee SJ;Cheng TC;Hwang CC .Photocatalytic disinfection of phytopathogenic bacteria by dye-sensitized TiO2 thin film activated by visible light[J].Surface & Coatings Technology,2007(4/7):1329-1332. |
| [10] | 何方元,宋燕西,陈勇航,柳建设,吴小倩.PANI/TiO2复合材料的合成条件研究及可见光催化性能[J].化工新型材料,2012(12):58-60. |
| [11] | 蔡莉.原位复合法制备聚吡咯/介孔TiO2及光催化性能[J].硅酸盐学报,2013(04):451-457,466. |
| [12] | 徐守斌,江龙,杨海刚,宋远卿,淡宜.光诱导聚合制备聚噻吩/二氧化钛复合粒子的结构及光催化性能[J].催化学报,2011(04):536-545. |
| [13] | Muktha B;Mahanta D;Patil S;Madras G .Synthesis and photocatalytic activity of poly(3-hexylthiophene)/TiO2 composites[J].International Journal of Quantum Chemistry,2007(10):2986-2989. |
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%