Functionalized mesoporous SBA-15 silica: recent trends and catalytic applications

Author(s): Priyanka Verma ¹ ^, ² ^, ³ ^, ⁴ ^, ⁵ , Yasutaka Kuwahara ¹ ^, ² ^, ³ ^, ⁴ ^, ⁵ , Kohsuke Mori ¹ ^, ² ^, ³ ^, ⁴ ^, ⁵ , Robert Raja ⁶ ^, ⁷ ^, ⁸ ^, ⁹ ^, ¹⁰ , Hiromi Yamashita ¹ ^, ² ^, ³ ^, ⁴ ^, ⁵

Publication date (Electronic): 2020

Journal: Nanoscale

Publisher: Royal Society of Chemistry (RSC)

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Abstract

Various strategies to functionalize SBA-15 mesoporous silica have been reviewed with a view to evaluating its efficacy in different catalytic transformation reactions.

Abstract

The development of advanced materials for heterogeneous catalytic applications requires fine control over the synthesis and structural parameters of the active site. Mesoporous silica materials have attracted increasing attention to be considered as an important class of nanostructured support materials in heterogeneous catalysis. Their large surface area, well-defined porous architecture and ability to incorporate metal atoms within the mesopores lead them to be a promising support material for designing a variety of different catalysts. In particular, SBA-15 mesoporous silica has its broad applicability in catalysis because of its comparatively thicker walls leading to higher thermal and mechanical stability. In this review article, various strategies to functionalize SBA-15 mesoporous silica have been reviewed with a view to evaluating its efficacy in different catalytic transformation reactions. Special attention has been given to the molecular engineering of the silica surface, within the framework and within the hexagonal mesoporous channels for anchoring metal oxides, single-site species and metal nanoparticles (NPs) serving as catalytically active sites.