Influence of the Synthesis Time in the Textural and Structural Properties of Ni-Containing Mesoporous Materials

被引：4
|
作者：
Carraro, P. M. [1 ,3 ]
Eimer, G. A. [3 ,4 ]
Oliva, M. I. [1 ,2 ]
机构：
[1] Univ Nacl Cordoba, Inst Fis Enrique Gaviola, Grp Ciencia Mat, CONICET, Medina Allende S-N, RA-5000 Cordoba, Argentina
[2] Univ Nacl Cordoba, Fac Matemat Astron & Fis, RA-5000 Cordoba, Argentina
[3] CITeQ Univ Tecnol Nacl, Reg Cordoba, Cordoba, Argentina
[4] Consejo Nacl Invest Cient & Tecn, RA-1033 Buenos Aires, DF, Argentina
来源：
INTERNATIONAL CONGRESS OF SCIENCE AND TECHNOLOGY OF METALLURGY AND MATERIALS, SAM - CONAMET 2013 | 2015年 / 8卷
关键词：
Mesoporous materials; synthesis time; nickel; MCM-41; CATALYSTS; MCM-41;
D O I：
10.1016/j.mspro.2015.04.109
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
MCM-41 materials have been synthesized by hydrothermal synthesis, and the influence of the synthesis time variation on the structural and textural properties of the final solids was studied. Nickel-modified samples were synthesized with a molar ratio Si/Ni of 60 and increased days of synthesis from 0 to 7 days. The structures obtained were characterized by X-ray diffraction (XRD) and UV-vis diffuse reflectance (UV-Vis DRS) spectroscopy. XRD patterns of samples are typical of MCM-41 structure, which improves with increasing the time of hydrothermal treatment. XRD and UV-vis studies revealed that the short synthesis times do not allow the proper incorporation of nickel in the structure. It was corroborated that, the synthesis time has an important influence on the properties of mesoporous material modified with Ni. (C) 2015 The Authors. Published by Elsevier Ltd.
引用
收藏
页码：561 / 566
页数：6
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