Title |
Atomically Dispersed Transition Metals on Carbon Nanotubes with Ultrahigh Loading for Selective Electrochemical Carbon Dioxide Reduction
|
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Published in |
Advanced Materials, February 2018
|
DOI | 10.1002/adma.201706287 |
Pubmed ID | |
Authors |
Yi Cheng, Shiyong Zhao, Bernt Johannessen, Jean-Pierre Veder, Martin Saunders, Matthew R Rowles, Min Cheng, Chang Liu, Matthew F Chisholm, Roland De Marco, Hui-Ming Cheng, Shi-Ze Yang, San Ping Jiang |
Abstract |
Single-atom catalysts (SACs) are the smallest entities for catalytic reactions with projected high atomic efficiency, superior activity, and selectivity; however, practical applications of SACs suffer from a very low metal loading of 1-2 wt%. Here, a class of SACs based on atomically dispersed transition metals on nitrogen-doped carbon nanotubes (MSA-N-CNTs, where M = Ni, Co, NiCo, CoFe, and NiPt) is synthesized with an extraordinarily high metal loading, e.g., 20 wt% in the case of NiSA-N-CNTs, using a new multistep pyrolysis process. Among these materials, NiSA-N-CNTs show an excellent selectivity and activity for the electrochemical reduction of CO2 to CO, achieving a turnover frequency (TOF) of 11.7 s-1 at -0.55 V (vs reversible hydrogen electrode (RHE)), two orders of magnitude higher than Ni nanoparticles supported on CNTs. |
Mendeley readers
Geographical breakdown
Country | Count | As % |
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Unknown | 244 | 100% |
Demographic breakdown
Readers by professional status | Count | As % |
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Student > Ph. D. Student | 53 | 22% |
Student > Master | 35 | 14% |
Student > Bachelor | 23 | 9% |
Student > Doctoral Student | 18 | 7% |
Other | 10 | 4% |
Other | 28 | 11% |
Unknown | 77 | 32% |
Readers by discipline | Count | As % |
---|---|---|
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Materials Science | 32 | 13% |
Chemical Engineering | 32 | 13% |
Engineering | 12 | 5% |
Environmental Science | 5 | 2% |
Other | 15 | 6% |
Unknown | 90 | 37% |