journal article·2026-04

Synthesis of Atomically Dispersed Nickel Confined in Hierarchical MFI Zeolite

Quanzheng Deng, Yu Chen, Neng Gong, Shuai Ye, Quanke Deng, Daliang Zhang, Kake Zhu, Shunai Che, Lu Han

Small· Volume 22· Issue 20
Publisher page

Abstract

ABSTRACT Mesoporous zeolite‐anchored atomically dispersed metal (ADM) catalysts are capable of overcoming diffusion limitations, promoting mass transfer, and exposing more active sites. These features make them one of the most ideal heterogeneous catalysts. However, introducing both mesoporosity and ADM species into zeolite structures while avoiding metal clustering remains a significant challenge. Herein, we report the hierarchical MFI zeolite encapsulated atomically dispersed nickel species using a ligand‐protected in situ synthesis strategy with a tri‐functional template. This template incorporates quaternary ammonium hydrophilic head groups linked to central metal‐coordinated porphyrins by alkyl chains, which guide the formation of mesoporous MFI zeolite structure while simultaneously suppressing nickel clustering. The resulting catalyst exhibits a hierarchical architecture comprising MFI nanosheets with enhanced 90° rotational intergrowth, and the dispersed Ni sites are evenly distributed within the zeolite framework. The catalyst exhibited a high activity and efficient utilization of Ni in probing CO 2 hydrogenation reaction. The use of functionalized metal‐coordinated porphyrins as a structure‐directing agent to generate zeolite‐supported metal catalysts is transferable, which opens new possibilities for controlling zeolite architecture.
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Research context

OpenAlex topics: Zeolite Catalysis and Synthesis · Catalysts for Methane Reforming · Catalysis and Hydrodesulfurization Studies

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Chemical Science and Engineering Tongji University Shanghai P. R. China

Department of Physics, State Key Laboratory of Quantum Functional Materials Guangdong Basic Research Center of Excellence for Quantum Science, Guangdong Provincial Key Laboratory of Advanced Thermoelectric Materials and Device Physics, and Shenzhen Key Laboratory of Thermoelectric Materials, Southern University of Science and Technology Shenzhen P. R. China

Institute of Advanced Interdisciplinary Studies & School of Chemistry and Chemical Engineering Chongqing University Chongqing P. R. China

State Key Laboratory of Green Chemical Engineering and Industrial Catalysis School of Chemical Engineering East China University of Science and Technology Shanghai P. R. China

School of Chemistry and Chemical Engineering Frontiers Science Center for Transformative Molecules State Key Laboratory of Metal Matrix Composites Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs Shanghai Jiao Tong University Shanghai P. R. China

Funding

National Natural Science Foundation of China · Fundamental Research Funds for the Central Universities

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