Výsledky vyhledávání - "Avraham Bar-Hen"

Catalysts for the hydrogen evolution reaction in alkaline medium: Configuring a cooperative mechanism at the Ag-Ag$_2$S-MoS$_2$ interface

Autor: Avraham Bar-Hen, Simon Hettler, Ashwin Ramasubramaniam, Raul Arenal, Ronen Bar-Ziv, Maya Bar Sadan

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
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Journal of Energy Chemistry

Designing electrocatalysts for HER in alkaline conditions to overcome the sluggish kinetics associated with the additional water dissociation step is a recognized challenge in promoting the hydrogen economy. To this end, delicately tuning the atomic-

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Shelling with MoS$_2$ Functional CuS@MoS2 Hybrids as Electrocatalysts for the Oxygen Reduction and Hydrogen Evolution Reactions

Autor: Ronen Bar-Ziv, Simon Hettler, Amir Mizrahi, Maya Bar Sadan, Tsion Ohaion-Raz, Raul Arenal, Avraham Bar-Hen

Publikováno v: Chemical Engineering Journal
Digital.CSIC. Repositorio Institucional del CSIC
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The development of noble-metal free electrocatalysts is of high importance for clean energy conversion applications. MoS2 has been considered as a promising low-cost catalyst for the hydrogen evolution reaction (HER), however its activity is limited

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The role of steric interactions in dispersion of carbon nanotubes by poly(3-alkyl thiophenes) in organic solvents

Autor: Céline Bounioux, Igal Szleifer, Avraham Bar-Hen, Estefania Gonzalez Solveyra, Rachel Yerushalmi-Rozen

Publikováno v: Journal of Colloid and Interface Science. 452:62-68

The dispersion mechanism of carbon nanotubes (CNTs) in organic solutions of poly(3-alkyl thiophenes, P3ATs) was examined in a study that combines experimental investigation of the dispersion mechanism and molecular theory calculations of the effectiv

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https://doi.org/10.1016/j.jcis.2015.04.038

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Salting-in effect in organic dispersions of poly(3-hexyl thiophene)-carbon-nanotubes

Autor: Céline Bounioux, Rachel Yerushalmi-Rozen, Avraham Bar-Hen

Publikováno v: Chemical Communications. 51:6343-6345

Addition of small concentrations of different inorganic salts to THF solutions of poly(3-hexyl thiophene), which contain non-dispersed powder of Multi-Walled Carbon Nanotubes (MWNTs), was found to "salt-in" the precipitated tubes leading to the forma

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https://doi.org/10.1039/c5cc00802f

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