Peptide-Assisted 2-D Assembly toward Free-Floating Ultrathin Platinum Nanoplates as Effective Electrocatalysts
We demonstrate the 2-D anisotropic formation of ultrathin free-floating Pt nanoplates from the assembly of small nanocrystals using T7 peptide (Ac-TLTTLTN-CONH2). As-formed nanoplates are rich in grain boundaries that can promote their catalytic activities. Furthermore, we demonstrate that a minor number of Pd atoms can selectively deposit on and stabilize the grain boundaries, which leads to enhanced structure stability. The Pd-enhanced Pt polycrystal nanoplates show great oxygen reduction reaction activities with 15.5 times higher specific activity and 13.7 times higher mass activity than current state-of-the-art commercial Pt/C electrocatalysts as well as 2.5 times higher mass activity for hydrogen evolution reaction compared with Pt/C.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2019 |
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| Erschienen: |
2019 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:19 |
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| Enthalten in: |
Nano letters - 19(2019), 6 vom: 12. Juni, Seite 3730-3736 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhu, Enbo [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 11.12.2019 Date Revised 30.09.2020 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1021/acs.nanolett.9b00867 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM296587370 |
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| 100 | 1 | |a Zhu, Enbo |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Peptide-Assisted 2-D Assembly toward Free-Floating Ultrathin Platinum Nanoplates as Effective Electrocatalysts |
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| 500 | |a Date Revised 30.09.2020 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a We demonstrate the 2-D anisotropic formation of ultrathin free-floating Pt nanoplates from the assembly of small nanocrystals using T7 peptide (Ac-TLTTLTN-CONH2). As-formed nanoplates are rich in grain boundaries that can promote their catalytic activities. Furthermore, we demonstrate that a minor number of Pd atoms can selectively deposit on and stabilize the grain boundaries, which leads to enhanced structure stability. The Pd-enhanced Pt polycrystal nanoplates show great oxygen reduction reaction activities with 15.5 times higher specific activity and 13.7 times higher mass activity than current state-of-the-art commercial Pt/C electrocatalysts as well as 2.5 times higher mass activity for hydrogen evolution reaction compared with Pt/C | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a Research Support, U.S. Gov't, Non-P.H.S. | |
| 650 | 4 | |a 2-D assembly | |
| 650 | 4 | |a Ultrathin platinum nanoplates | |
| 650 | 4 | |a electrocatalyst | |
| 650 | 4 | |a peptide | |
| 650 | 7 | |a Peptides |2 NLM | |
| 650 | 7 | |a Platinum |2 NLM | |
| 650 | 7 | |a 49DFR088MY |2 NLM | |
| 650 | 7 | |a Palladium |2 NLM | |
| 650 | 7 | |a 5TWQ1V240M |2 NLM | |
| 650 | 7 | |a Oxygen |2 NLM | |
| 650 | 7 | |a S88TT14065 |2 NLM | |
| 700 | 1 | |a Yan, Xucheng |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Shiyi |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Mingjie |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Chen |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Haotian |e verfasserin |4 aut | |
| 700 | 1 | |a Huang, Jin |e verfasserin |4 aut | |
| 700 | 1 | |a Xue, Wang |e verfasserin |4 aut | |
| 700 | 1 | |a Cai, Jin |e verfasserin |4 aut | |
| 700 | 1 | |a Heinz, Hendrik |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Yujing |e verfasserin |4 aut | |
| 700 | 1 | |a Huang, Yu |e verfasserin |4 aut | |
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| 773 | 1 | 8 | |g volume:19 |g year:2019 |g number:6 |g day:12 |g month:06 |g pages:3730-3736 |
| 856 | 4 | 0 | |u http://dx.doi.org/10.1021/acs.nanolett.9b00867 |3 Volltext |
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