Synthesis and structural characterization of ZnO-and CuO-NPs supported mesoporous silica materials (hexagonal SBA-15 and lamellar-SiO2)

被引：15
作者：
El-Nahhal, Issa M. [1 ]
Salem, Jamil K. [1 ]
Tabasi, Nihal S. [1 ]
Hempelmann, Rolf [2 ]
Kodeh, Fawzi S. [1 ]
机构：
[1] Al Azhar Univ, Dept Chem, POB 1277, Gaza, Palestine
[2] Saarland Univ, Phys Chem, D-66123 Saarbrucken, Germany
来源：
CHEMICAL PHYSICS LETTERS | 2018年 / 691卷
关键词：
Hexagonal and lamellar-SiO2 structures; ZnO&CuO-NPs supported mesoporous silica; Mesoporous silica; Pluronic surfactants; ZnO&CuO-NPs; METAL-OXIDE; BIOMEDICAL APPLICATIONS; TRIBLOCK COPOLYMERS; DRUG-DELIVERY; NANOPARTICLES; ADSORPTION; TEMPLATES; NANOTUBES; LENGTH;
D O I：
10.1016/j.cplett.2017.11.030
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Two different mesoporous silica structures (hexagonal and lamellar) were synthesized via sol-gel method using a series of triblock copolymer (Pluronic) surfactants. L81, L61 & L31 surfactants form lamellar structure whereas P123 surfactant forms a hexagonal structure. CuO and ZnO nanoparticles (NPs) supported mesoporous silica were synthesized using impregnation method. The structural properties of these materials were investigated using several characterization techniques such as FTIR, XRD, SAXS, TEM and TGA. SAXS and TEM confirmed that the obtained mesoporous silica is based on the EO/PO ratio of Pluronic surfactants. They proved that the mesoporosity of silica is well maintained even after they loaded with metal oxide nanoparticles. (C) 2017 Elsevier B.V. All rights reserved.
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页码：211 / 218
页数：8
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