以棉花纤维素为模板,Zn(CH3COO)2·9H2O为原料,经高温煅烧制得具有纤维素管状结构的ZnO微/纳米材料.通过调整煅烧温度,优化了催化剂的制备工艺.运用XRD、SEM、FT-IR和UV-Vis DRS对催化剂样品进行结构表征,以亚甲基蓝(MB)为目标降解物,研究了该ZnO光催化剂在紫外光照下,不同制备温度对材料光催化性能的影响.研究表明,煅烧温度850℃的样品光催化活性最佳,反应60 min对MB的降解率达97％.经过4段循环,光降解率仍维持在86％以上,表明此微/纳米ZnO是一种有效稳定的光催化剂.
参考文献
| [1] | Yuanzhi Li;Wei Xie;Xuelei Hu;Guofang Shen;Xi Zhou;Ye Xiang;Xiujian Zhao;Pengfei Fang.Comparison of Dye Photodegradation and its Coupling with Light-to-Electricity Conversion over TiO_2 and ZnO[J].Langmuir: The ACS Journal of Surfaces and Colloids,20101(1):591-597. |
| [2] | Yajun Wang;Qisheng Wang;Xueying Zhan.Visible light driven type II heterostructures and their enhanced photocatalysis properties: a review[J].Nanoscale,201318(18):8326-8339. |
| [3] | Hong, Yuanchen;Shi, Penghui;Wang, Peifu;Yao, Weifeng.Improved photocatalytic activity of CdS/reduced graphene oxide (RGO) for H-2 evolution by strengthening the connection between CdS and RGO sheets[J].International journal of hydrogen energy,201522(22):7045-7051. |
| [4] | Ghugal, Sachin G.;Umare, Suresh S.;Sasikala, Rajamma.A stable, efficient and reusable CdS-SnO2 heterostructured photocatalyst for the mineralization of Acid Violet 7 dye[J].Applied Catalysis, A. General: An International Journal Devoted to Catalytic Science and Its Applications,2015:25-31. |
| [5] | Hyunwoong Park;Kyoo Young Kim;Wonyong Choi.Photoelectrochemical Approach for Metal Corrosion Prevention Using a Semiconductor Photoanode[J].The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical,200218(18):4775-4781. |
| [6] | 张奎;刘春华;王平华;范保林;屈龙.以纤维素为模板制备多孔SiO2棒[J].高分子材料科学与工程,2011(2):145-148. |
| [7] | Feng, Feng;Hao, Chen;Zhang, Huailiang;Xie, Wenjing;Wang, Xiaohong;Zhao, Yutao.Structural characterization and photocatalytic properties of ZnO by solid-state synthesis using aminated lignin template[J].Journal of Materials Science. Materials in Electronics,20159(9):6704-6711. |
| [8] | Gen Tang;Shouqin Tian;Zhacoria Zhou.ZnO Micro/Nanocrystals with Tunable Exposed (0001) Facets for Enhanced Catalytic Activity on the Thermal Decomposition of Ammonium Perchlorate[J].The journal of physical chemistry, C. Nanomaterials and interfaces,201422(22):11833-11841. |
| [9] | Li, Hui;Zhang, Wei;Guan, Ling-xiao;Li, Fang;Yao, Ming-ming.Visible light active TiO2-ZnO composite films by cerium and fluorine codoping for photocatalytic decontamination[J].Materials science in semiconductor processing,2015:310-318. |
| [10] | Vamvasakis, Ioannis;Subrahmanyam, Kota S.;Kanatzidis, Mercouri G.;Armatas, Gerasimos S..Template-Directed Assembly of Metal-Chalcogenide Nanocrystals into Ordered Mesoporous Networks[J].ACS nano,20154(4):4419-4426. |
| [11] | 邵谦;杨梦晨;葛圣松;吴亚林;王亚云;鲍力伟.苯乙烯协助水热制备高催化活性ZnO管[J].无机化学学报,2014(11):2601-2606. |
| [12] | Wei-li Zheng;Wei-li Hu;Shi-yan Chen;Yi Zheng;Bi-hui Zhou;Hua-ping Wang.High Photocatalytic Properties of Zinc Oxide Nanoparticles with Amidoximated Bacterial Cellulose Nanofibers as Templates[J].高分子科学（英文版）,2014(02):169-176. |
| [13] | Boury, B.;Plumejeau, S..Metal oxides and polysaccharides: an efficient hybrid association for materials chemistry[J].Green chemistry,20151(1):72-88. |
| [14] | Zhu Hua-yue;Jiang Ru;Guan Yu-jiang.Effect of key operational factors on decolorization of methyl orange during H2O2 assisted CdS/TiO2/ploymer nanocomposite thin films under simulated solar light irradiation[J].Separation and Purification Technology,20102(2):187-194. |
| [15] | 陈孝云;陆东芳;陈彦;谭非.酸法纳米纤维素模板剂合成介孔TiO2及光催化活性[J].无机化学学报,2013(3):528-536. |
| [16] | 陈孝云;陈星;洪时伟;陈筱;黄彪.碱法纳米纤维素模板剂合成介孔TiO2及其性能[J].催化学报,2011(11):1762-1767. |
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%