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Issue 9, 2019
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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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Article information


Submitted
23 Aug 2018
Accepted
28 Jan 2019
First published
28 Jan 2019

J. Mater. Chem. A, 2019,7, 4771-4776
Article type
Paper

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, 7, 4771
DOI: 10.1039/C8TA08219G

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