Designing graphene as a new frustrated Lewis pair catalyst for hydrogen activation by co-doping

Literature Information

Publication Date 2016-03-24
DOI 10.1039/C5CP07969A
Impact Factor 3.676
Authors

Bo Li, TianFu Liu, Jian Song, Dang Sheng Su


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Abstract

Boron and nitrogen co-doped bilayer graphene (BN-G) and graphene ribbon (BN-GR) as Frustrated Lewis Pair (FLP) catalysts are investigated for hydrogen molecule activation. The nitrogen and boron atoms are separated as they are in different layers of BN-G/GR. Calculations show that this novel FLP catalyst is capable of activating hydrogen molecules. From the Bader charge, Mayer bond order, and the geometrical structures, it can be seen that the hydrogen molecules undergo heterolytic scission and have a late product-like transition state. More interestingly, the active sites are identified as being the carbon atoms around dopants for BN-G. The BN-G/GR catalysts deliver performances comparable to that of the reported FLP catalyst when considering their barrier and reaction energy values. The current work demonstrates the great potential of doped carbon catalysts as FLP catalysts and paves the way to nanostructured carbon catalyst applications in reactions by directly utilizing hydrogen molecules.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
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Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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