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Conversion of dinitrogen to ammonia on Ru atoms supported on boron sheets: a DFT study

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Abstract

The prevalent catalysts for natural and artificial N2 fixation are transition-metal (TM) atoms. By using density functional theory computations, several TM atoms embedded on boron sheets as N2 fixation electrocatalysts were investigated in this work. Our results revealed that single ruthenium (Ru) atom-doped boron sheets exhibited outstanding catalytic activity for ammonia synthesis at ambient conditions through the distal pathway with small activation barrier of 0.42 eV; this was less than half of that of the reported flat Ru (0001) catalysts (1.08 eV). These results highlight the value of boron as a substrate for the design of single-atom catalysts due to its unique electron-deficient features.

Graphical abstract: Conversion of dinitrogen to ammonia on Ru atoms supported on boron sheets: a DFT study

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Publication details

The article was received on 23 Aug 2018, accepted on 28 Jan 2019 and first published on 28 Jan 2019


Article type: Paper
DOI: 10.1039/C8TA08219G
Citation: J. Mater. Chem. A, 2019, Advance Article

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    Conversion of dinitrogen to ammonia on Ru atoms supported on boron sheets: a DFT study

    C. Liu, Q. Li, J. Zhang, Y. Jin, D. R. MacFarlane and C. Sun, J. Mater. Chem. A, 2019, Advance Article , DOI: 10.1039/C8TA08219G

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