Next Article in Journal
Contact Pressure Algorithm of Multi-Layer Interference Fit Considering Centrifugal Force and Temperature Gradient
Next Article in Special Issue
Mesoporous Niobium Oxyhydroxide Catalysts for Cyclohexene Epoxidation Reactions
Previous Article in Journal
Accurate and Detailed Transversal Road Section Characteristics Extraction Using Laser Scanner
Previous Article in Special Issue
Nickel Complexes Immobilized in Modified Ionic Liquids Anchored in Structured Materials for Ethylene Oligomerization
Article Menu
Issue 5 (May) cover image

Export Article

Open AccessArticle
Appl. Sci. 2018, 8(5), 725; https://doi.org/10.3390/app8050725

Influence of Synthesis Parameters in Obtaining KIT-6 Mesoporous Material

Laboratory of Catalysis, Environment and Materials, Department of Chemistry, State University of Rio Grande do Norte, Mossoró/RN 59610-090, Brazil
*
Author to whom correspondence should be addressed.
Received: 16 April 2018 / Revised: 27 April 2018 / Accepted: 30 April 2018 / Published: 5 May 2018
(This article belongs to the Special Issue Nanoporous Materials and Their Applications)
Full-Text   |   PDF [1698 KB, uploaded 5 May 2018]   |  

Abstract

In the present work, modifications were made in the typical synthesis of KIT-6 mesoporous material. The molar ratio of P123 and its dissolution time, the type of alcohol, the aging time, and the heat treatment time were varied. The materials obtained were characterized by X-ray diffraction (XRD), thermogravimetry and differential thermogravimetry (TG/DTG), Fourier-transform infrared spectroscopy (FTIR), adsorption and desorption of N2 and transmission electron microscopy (TEM). It was observed that the modifications interfered directly in the ordered structure of materials, displaying materials with cubic structures Ia3d (KIT-6 mesoporous material) and hexagonal structures P6mm, (SBA-15 mesoporous material). The type of alcohol probably acts on generation of the micelle, influencing the formation of the porous system and ordered structure. The results obtained indicate that the cubic structure of KIT-6 can be formed with a reduction of 30% in the P123 concentration, and decreases of 2, 6 and 12 h in times of P123 dissolution, aging and heat treatment, respectively. The modifications carried out in the synthesis procedure have resulted in ir being possible to employ materials with different characteristics, such as mesoscopic ordering and textural properties, in applications in the areas of catalysis and adsorption. View Full-Text
Keywords: mesoporous silica; KIT-6; synthesis parameters; cubic structure mesoporous silica; KIT-6; synthesis parameters; cubic structure
Figures

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

Supplementary material

SciFeed

Share & Cite This Article

MDPI and ACS Style

Fernandes, F.R.D.; Pinto, F.G.H.S.; Lima, E.L.F.; Souza, L.D.; Caldeira, V.P.S.; Santos, A.G.D. Influence of Synthesis Parameters in Obtaining KIT-6 Mesoporous Material. Appl. Sci. 2018, 8, 725.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Appl. Sci. EISSN 2076-3417 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top