Dendritic nanoarchitecture imparts ZSM-5 zeolite with enhanced adsorption and 
catalytic performance in energy applications

del Mar Alonso-Doncel, María; Ochoa-Hernández, Cristina; Gómez-Pozuelo, Gema; Oliveira, Adriana; González-Aguilar, José; Peral, Ángel; Sanz, Raúl; Serrano, David P.

doi:10.1016/j.jechem.2023.01.023

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Dendritic nanoarchitecture imparts ZSM-5 zeolite with enhanced adsorption and catalytic performance in energy applications

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Ochoa-Hernández, Cristina
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

del Mar Alonso-Doncel, M., Ochoa-Hernández, C., Gómez-Pozuelo, G., Oliveira, A., González-Aguilar, J., Peral, Á., et al. (2023). Dendritic nanoarchitecture imparts ZSM-5 zeolite with enhanced adsorption and catalytic performance in energy applications. Journal of Energy Chemistry, 80(5), 77-88. doi:10.1016/j.jechem.2023.01.023.

Cite as: https://hdl.handle.net/21.11116/0000-000C-E90F-E

Abstract

The development of zeolites possessing dendritic features represents a great opportunity for the design of novel materials with applications in a large variety of fields and, in particular, in the energy sector to afford its transition towards a low carbon system. In the current work, ZSM-5 zeolite showing a dendritic 3D nanoarchitecture has been synthesized by the functionalization of protozeolitic nanounits with an amphiphilic organosilane, which provokes the branched aggregative growth of zeolite embryos. Dendritic ZSM-5 exhibits outstanding accessibility arising from a highly interconnected network of radially-oriented mesopores (3 – 10 nm) and large cavities (20 – 80 nm), which add to the zeolitic micropores, thus showing a well-defined trimodal pore size distribution. These singular features provide dendritic ZSM-5 with sharply enhanced performance in comparison with nano- and hierarchical reference materials when tested in a number of energy related applications, such as VOCs (toluene) adsorption (improved capacity), plastics (low-density polyethylene) catalytic cracking (boosted activity) and hydrogen production by methane catalytic decomposition (higher activity and deactivation resistance).