Underlying Substrate Effect on Electrochemical Activity for Hydrogen Evolution Reaction with Low‐Platinum‐Loaded Catalysts
Platinum is known as the best catalyst for the hydrogen evolution reaction (HER) but the scarcity and high cost of Pt limit its widespread applicability. Herein, the role of the underlying substrate on the HER activity of dispersed Pt atoms is uncovered. A direct current magnetron sputtering technique is utilized to deposit transition metal (TM) thin films of W, Ti, and Ta as underlying substrates for extremely low loading of Pt (<1.5 at%). The electrocatalytic performance of as‐synthesized samples for the HER is examined in both alkali and acidic media. The results show that despite the low loading of Pt, the Pt/TM catalysts produce hydrogen at a rate comparable to that of pristine bulk Pt. Pt/TM catalysts also display good stability with less than 5% decay in performance after 10 h of continuous HER operation. Based on the computational study, the excellent performance is attributed to the modified electronic properties of the Pt atoms, offering ideal binding energy for HER due to interaction with the underlying substrates. This work provides a robust and industry‐friendly route toward designing efficient catalytic systems for important electrochemical reactions such as HER and others.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Underlying Substrate Effect on Electrochemical Activity for Hydrogen Evolution Reaction with Low‐Platinum‐Loaded Catalysts ; day:05 ; month:11 ; year:2023 ; extent:11
Small structures ; (05.11.2023) (gesamt 11)
- Creator
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Muchharla, Baleeswaraiah
Sushko, Peter V.
Sadasivuni, Kishor K.
Cao, Wei
Tomar, Akash
Elsayed–Ali, Hani
Adedeji, Adetayo
Karoui, Abdennaceur
Spurgeon, Joshua M.
Kumar, Bijandra
- DOI
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10.1002/sstr.202300265
- URN
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urn:nbn:de:101:1-2023110614053706255986
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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14.08.2025, 10:54 AM CEST
Data provider
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
- Muchharla, Baleeswaraiah
- Sushko, Peter V.
- Sadasivuni, Kishor K.
- Cao, Wei
- Tomar, Akash
- Elsayed–Ali, Hani
- Adedeji, Adetayo
- Karoui, Abdennaceur
- Spurgeon, Joshua M.
- Kumar, Bijandra
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