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3R-TaS2 as an Inter...
3R-TaS2 as an Intercalation-Dependent Electrified Interface for Hydrogen Reduction and Oxidation Reactions
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- Ghorbani Shiraz, Hamid, 1989- (author)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Ullah Khan, Zia, 1976- (author)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Pere, Daniel (author)
- IMRA Europe SAS, France
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- Liu, Xianjie, 1971- (author)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Coppel, Yannick (author)
- Univ Toulouse, France
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- Fahlman, Mats, 1967- (author)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Berggren, Magnus, Professor, 1968- (author)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Chmielowski, Radoslaw (author)
- IMRA Europe SAS, France
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- Kahn, Myrtil L. (author)
- Univ Toulouse, France
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- Vagin, Mikhail, 1976- (author)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Crispin, Xavier, Professor, 1972- (author)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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(creator_code:org_t)
- 2022-09-29
- 2022
- English.
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In: The Journal of Physical Chemistry C. - : American Chemical Society (ACS). - 1932-7447 .- 1932-7455. ; 126:40, s. 17056-17065
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https://liu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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Abstract
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- Hydrogen technology, as a future breakthrough for the energy industry, has been defined as an environmentally friendly, renewable, and high-power energy carrier. The green production of hydrogen, which mainly relies on electrocatalysts, is limited by the high cost and/ or the performance of the catalytic system. Recently, studies have been conducted in search of bifunctional electrocatalysts accelerating both the hydrogen evolution reaction (HER) and the hydrogen oxidation reaction (HOR). Herein, we report the investigation of the high efficiency bifunctional electrocatalyst TaS2 for both the HER and the HOR along with the asymmetric effect of inhibition by organic intercalation. The linear organic agent, to boost the electron donor property and to ease the process of intercalation, provides a higher interlayer gap in the tandem structure of utilized nanosheets. XRD and XPS data reveal an increase in the interlayer distance of 22%. The HER and the HOR were characterized in a Pt group metal-free electrochemical system. The pristine sample shows a low overpotential of -0.016 Vat the onset. The intercalated sample demonstrates a large shift in its performance for the HER. It is revealed that the intercalation is a potential key strategy for tuning the performance of this family of catalysts. The inhibition of the HER by intercalation is considered as the increase in the operational window of a water-based electrolyte on a negative electrode, which is relevant to technologies of electrochemical energy storage.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Annan kemiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Other Chemical Engineering (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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Ghorbani Shiraz, ...
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Ullah Khan, Zia, ...
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Pere, Daniel
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Liu, Xianjie, 19 ...
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Coppel, Yannick
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Fahlman, Mats, 1 ...
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Berggren, Magnus ...
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Chmielowski, Rad ...
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Kahn, Myrtil L.
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Vagin, Mikhail, ...
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Crispin, Xavier, ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Chemical Enginee ...
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and Other Chemical E ...
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Linköping University