Confinement of zinc oxide nanoparticles in ordered mesoporous silica MCM-41

被引：64
|
作者：
Lihitkar, P. B. [2 ]
Violet, Samuel [3 ]
Shirolkar, Mandar [1 ,2 ]
Singh, Jai [4 ]
Srivastava, O. N. [4 ]
Naik, R. H. [3 ]
Kulkarni, S. K. [1 ]
机构：
[1] IISER, Pune, Maharashtra, India
[2] Univ Pune, Dept Phys, DST Unit Nanosci, Pune, Maharashtra, India
[3] Natl Chem Lab, Pune, Maharashtra, India
[4] BHU, Dept Phys, Varanasi, Uttar Pradesh, India
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2012年 / 133卷 / 2-3期
关键词：
Mesoporous; Photoluminescence spectroscopy; Surface properties; Defect; Energy spectroscopy for chemical analysis (ESCA); ZNO NANOPARTICLES; METAL-OXIDES; PHOTOLUMINESCENCE PROPERTIES; THIN-FILMS; QUANTUM; CLUSTERS; LUMINESCENCE;
D O I：
10.1016/j.matchemphys.2012.01.106
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Mesoporous silica (MS) and zinc loaded MS composites have been synthesized and characterized using high resolution transmission electron microscopy, X-ray diffraction, UV-visible spectroscopy, photoluminescence spectroscopy, N-2 adsorption-desorption isotherms, X-ray photoelectron spectroscopy and Fourier transform infrared spectroscopy. Thermal treatment of the zinc loaded MS composite lead to the formation of ZnO-MS composite. The well ordered uniform pore structure of MS (pore size similar to 3.4 nm) is found to remain stable even after 30% Zn loading albeit decrease in the pore size 1.2 nm indicates the formation of ZnO inside the pores. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：850 / 856
页数：7
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