为得到高效廉价的光催化剂,利用层接层技术,以HY沸石为载体在其表面通过Zn2+与聚乙烯亚胺(PEI)分子链上的NH2(或-NH-)络合作用,经硫化、退火处理制备出HY/(ZnS)n光催化剂,并通过UVVis测试和催化制氢实验进行光催化性能研究.研究表明:HY/(ZnS)n催化剂对綮外光有响应,且光催化产氢总量和产氢平均速率均随着负载层数n的增大而增大.进一步通过XRD、XPS、SEM-EDS分析手段对制得的光催化剂结构和物化性质进行了表征,分析表明,在HY沸石表面负载,形成了纤维棒状立方闪锌矿结构的ZnS.
参考文献
[1] | Hansoo Kim;Wolfgang Sigmund .Zinc sulfide nanocrystals on carbon nanotubes[J].Journal of Crystal Growth,2003(1/2):114-118. |
[2] | Yonghong Ni;Gui Yin;Jianming Hong;Zheng Xu .Rapid fabrication and optical properties of zinc sulfide nanocrystallines in a heterogeneous system[J].Materials Research Bulletin: An International Journal Reporting Research on Crystal Growth and Materials Preparation and Characterization,2004(12):1967-1972. |
[3] | Huaming Yang;Chenghuan Huang;Xiaohui Su .Microwave-assisted synthesis and luminescent properties of pure and doped ZnS nanoparticles[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2005(1/2):274-277. |
[4] | Lu HY;Chu SY;Tan SS .The characteristics of low-temperature-synthesized ZnS and ZnO nanoparticles[J].Journal of Crystal Growth,2004(2/4):385-391. |
[5] | 朱孟钦;李春忠;胡黎明 .细颗粒硫化锌的制备及其研究进展[J].化工进展,1996,15(06):31-36. |
[6] | TAGUCHI T;ONODERA C;YAMADA Y et al.Band offsets in CdZnS/ZnS strained layer quantum well and its application to UV laser diode[J].Japanese Journal of Applied Physics,1993,32:L1308-L1311. |
[7] | Zhao Y;Hong JM;Zhu JJ .Microwave-assisted self-assembled ZnS nanoballs[J].Journal of Crystal Growth,2004(3/4):438-445. |
[8] | Yong Yang;Weijun Zhang .Preparation and photoluminescence of zinc sulfide nanowires[J].Materials Letters,2004(29):3836-3838. |
[9] | 陈谋智.薄膜ZnS:Er3+的近红外发光[J].厦门大学学报,1997(04):545. |
[10] | 匡汉茂,邓兆祥,李春辉,孙晓明,李亚栋.CdS/MS(M=Ag,Pb,Cu,Zn)半导体纳米复合结构的制备[J].无机化学学报,2002(02):133-137. |
[11] | 翟青霞,黄英,李玉青.静电自组装膜研究进展[J].材料开发与应用,2010(02):86-92. |
[12] | 李建波,许群.层-层自组装技术的发展与应用[J].世界科技研究与发展,2007(03):31-38. |
[13] | LI W J;CHEN M F.Preparation of silica core-gold shell structural materials via layer by layer method[A].,2011 |
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%