DC Field | Value | Language |
---|---|---|
dc.contributor.author | Lee, Jae-Chan | ko |
dc.contributor.author | Kim, Ji-Yong | ko |
dc.contributor.author | Joo, Won-Hyo | ko |
dc.contributor.author | Hong, Deokgi | ko |
dc.contributor.author | Oh, Sang-Ho | ko |
dc.contributor.author | Kim, Beomil | ko |
dc.contributor.author | Lee, Gun-Do | ko |
dc.contributor.author | Kim, Miyoung | ko |
dc.contributor.author | Oh, Jihun | ko |
dc.contributor.author | Joo, Young-Chang | ko |
dc.date.accessioned | 2020-07-22T05:55:20Z | - |
dc.date.available | 2020-07-22T05:55:20Z | - |
dc.date.created | 2020-07-15 | - |
dc.date.created | 2020-07-15 | - |
dc.date.issued | 2020-06 | - |
dc.identifier.citation | JOURNAL OF MATERIALS CHEMISTRY A, v.8, no.23, pp.11632 - 11641 | - |
dc.identifier.issn | 2050-7488 | - |
dc.identifier.uri | http://hdl.handle.net/10203/275601 | - |
dc.description.abstract | Electrocatalysts for CO(2)electroreduction require not only high-performance active materials to control the series reaction but also conductive and durable supports to ensure long-term stability under harsh operating conditions. Instead of conventional heterogeneous catalysts made by attaching metal on supports, we manufactured a self-formed tandem catalyst designed for a cascade electroreduction of CO(2)to C2H4. Using oxygen partial pressure-controlled calcination, electrospun copper acetate/polyacrylonitrile nanofibers were successfully transformed into porous carbon nanofibers consisting of doped N and metallic Cu particles. Doped nitrogen atoms adjacent to Cu atoms trigger the reaction by increasing the amount of CO* on the Cu surfaces, which lowers the energy required for CO dimerization that is used for C(2)H(4)production. The Cu-embedded N-doped carbon nanofibers exhibit a C(2)H(4)faradaic efficiency of 62% at a potential of -0.57 Vvs.RHE with high current density of 600 mA cm(-2)and excellent long-term stability. DFT calculations suggest that the lowered overpotential originates from the decreased CO dimerization energy barrier due to the doped N triggering CO production around the Cu particles. | - |
dc.language | English | - |
dc.publisher | ROYAL SOC CHEMISTRY | - |
dc.title | Thermodynamically driven self-formation of copper-embedded nitrogen-doped carbon nanofiber catalysts for a cascade electroreduction of carbon dioxide to ethylene | - |
dc.type | Article | - |
dc.identifier.wosid | 000542761900014 | - |
dc.identifier.scopusid | 2-s2.0-85086729906 | - |
dc.type.rims | ART | - |
dc.citation.volume | 8 | - |
dc.citation.issue | 23 | - |
dc.citation.beginningpage | 11632 | - |
dc.citation.endingpage | 11641 | - |
dc.citation.publicationname | JOURNAL OF MATERIALS CHEMISTRY A | - |
dc.identifier.doi | 10.1039/d0ta03322g | - |
dc.contributor.localauthor | Oh, Jihun | - |
dc.contributor.nonIdAuthor | Lee, Jae-Chan | - |
dc.contributor.nonIdAuthor | Kim, Ji-Yong | - |
dc.contributor.nonIdAuthor | Joo, Won-Hyo | - |
dc.contributor.nonIdAuthor | Hong, Deokgi | - |
dc.contributor.nonIdAuthor | Oh, Sang-Ho | - |
dc.contributor.nonIdAuthor | Lee, Gun-Do | - |
dc.contributor.nonIdAuthor | Kim, Miyoung | - |
dc.contributor.nonIdAuthor | Joo, Young-Chang | - |
dc.description.isOpenAccess | N | - |
dc.type.journalArticle | Article | - |
dc.subject.keywordPlus | SELECTIVE ELECTROCHEMICAL REDUCTION | - |
dc.subject.keywordPlus | CO2 REDUCTION | - |
dc.subject.keywordPlus | HYDROCARBONS | - |
dc.subject.keywordPlus | COVERAGE | - |
dc.subject.keywordPlus | ELECTROCATALYST | - |
dc.subject.keywordPlus | NANOPARTICLES | - |
dc.subject.keywordPlus | DISPERSION | - |
dc.subject.keywordPlus | EFFICIENCY | - |
dc.subject.keywordPlus | CONVERSION | - |
dc.subject.keywordPlus | ALCOHOLS | - |
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