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Article: Ultrathin WS2 nanoflakes as a high-performance electrocatalyst for the hydrogen evolution reaction
Title | Ultrathin WS<inf>2</inf> nanoflakes as a high-performance electrocatalyst for the hydrogen evolution reaction |
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Authors | |
Keywords | electrocatalysis electrochemistry hydrogen evolution reaction monolayers nanoflakes |
Issue Date | 2014 |
Citation | Angewandte Chemie - International Edition, 2014, v. 53, n. 30, p. 7860-7863 How to Cite? |
Abstract | Much has been done to search for highly efficient and inexpensive electrocatalysts for the hydrogen evolution reaction (HER), which is critical to a range of electrochemical and photoelectrochemical processes. A new, high-temperature solution-phase method for the synthesis of ultrathin WS 2 nanoflakes is now reported. The resulting product possesses monolayer thickness with dimensions in the nanometer range and abundant edges. These favorable structural features render the WS2 nanoflakes highly active and durable catalysts for the HER in acids. The catalyst exhibits a small HER overpotential of approximately 100 mV and a Tafel slope of 48 mV/decade. These ultrathin WS2 nanoflakes represent an attractive alternative to the precious platinum benchmark catalyst and rival MoS2 materials that have recently been heavily scrutinized for the electrocatalytic HER. Ultrathin WS2 nanoflakes were synthesized according to a new high-temperature solution-phase method. These nanoflakes may be used as efficient catalysts for the electrocatalytic hydrogen evolution reaction and represent an attractive alternative to the expensive platinum benchmark catalysts. © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. |
Persistent Identifier | http://hdl.handle.net/10722/334942 |
ISSN | 2021 Impact Factor: 16.823 2020 SCImago Journal Rankings: 5.831 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Cheng, Liang | - |
dc.contributor.author | Huang, Wenjing | - |
dc.contributor.author | Gong, Qiufang | - |
dc.contributor.author | Liu, Changhai | - |
dc.contributor.author | Liu, Zhuang | - |
dc.contributor.author | Li, Yanguang | - |
dc.contributor.author | Dai, Hongjie | - |
dc.date.accessioned | 2023-10-20T06:51:53Z | - |
dc.date.available | 2023-10-20T06:51:53Z | - |
dc.date.issued | 2014 | - |
dc.identifier.citation | Angewandte Chemie - International Edition, 2014, v. 53, n. 30, p. 7860-7863 | - |
dc.identifier.issn | 1433-7851 | - |
dc.identifier.uri | http://hdl.handle.net/10722/334942 | - |
dc.description.abstract | Much has been done to search for highly efficient and inexpensive electrocatalysts for the hydrogen evolution reaction (HER), which is critical to a range of electrochemical and photoelectrochemical processes. A new, high-temperature solution-phase method for the synthesis of ultrathin WS 2 nanoflakes is now reported. The resulting product possesses monolayer thickness with dimensions in the nanometer range and abundant edges. These favorable structural features render the WS2 nanoflakes highly active and durable catalysts for the HER in acids. The catalyst exhibits a small HER overpotential of approximately 100 mV and a Tafel slope of 48 mV/decade. These ultrathin WS2 nanoflakes represent an attractive alternative to the precious platinum benchmark catalyst and rival MoS2 materials that have recently been heavily scrutinized for the electrocatalytic HER. Ultrathin WS2 nanoflakes were synthesized according to a new high-temperature solution-phase method. These nanoflakes may be used as efficient catalysts for the electrocatalytic hydrogen evolution reaction and represent an attractive alternative to the expensive platinum benchmark catalysts. © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. | - |
dc.language | eng | - |
dc.relation.ispartof | Angewandte Chemie - International Edition | - |
dc.subject | electrocatalysis | - |
dc.subject | electrochemistry | - |
dc.subject | hydrogen evolution reaction | - |
dc.subject | monolayers | - |
dc.subject | nanoflakes | - |
dc.title | Ultrathin WS<inf>2</inf> nanoflakes as a high-performance electrocatalyst for the hydrogen evolution reaction | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1002/anie.201402315 | - |
dc.identifier.scopus | eid_2-s2.0-84904638876 | - |
dc.identifier.volume | 53 | - |
dc.identifier.issue | 30 | - |
dc.identifier.spage | 7860 | - |
dc.identifier.epage | 7863 | - |
dc.identifier.eissn | 1521-3773 | - |
dc.identifier.isi | WOS:000339562400030 | - |