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11.
Solvothermal synthesis of iron phosphides and their application for efficient electrocatalytic hydrogen evolution
Takwa Chouki, Manel Machreki, Saim Emin, 2020, izvirni znanstveni članek

Opis: Abstract In this paper, we present a solvothermal synthesis of iron phosphide electrocatalysts using a triphenylphosphine (TPP) precursor. The synthetic protocol generates Fe2P phase at 300 °C and FeP phase at 350 °C. To enhance the catalytic activities of obtained iron phosphide particles heat-treatments were carried out at elevated temperatures. Annealing at 500 °C under reductive atmosphere induced structural changes in the samples: (i) Fe2P provided a pure Fe3P phase (Fe3P−500 °C) and (ii) FeP transformed into a mixture of iron phosphide phases (Fe2P/FeP−500 °C). Pure Fe2P films was prepared under argon atmosphere at 450 °C (Fe2P−450 °C). The electrocatalytic activities of heat-treated Fe2P−450 °C, Fe3P−500 °C, and Fe2P/FeP−500 °C catalysts were studied for hydrogen evolution reaction (HER) in 0.5 M H2SO4. The HER activities of the iron phosphide catalyst were found to be phase dependent. The lowest electrode potential of 110 mV vs. a reversible hydrogen electrode (RHE) at 10 mA cm−2 was achieved with Fe2P/FeP−500 °C catalyst.
Ključne besede: Solvothermal synthesis, Iron phosphide, Electrocatalyst, Hydrogen evolution, Overpotential
Objavljeno v RUNG: 20.07.2020; Ogledov: 3025; Prenosov: 0
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12.
Capabilities of hydrogen-producing green algae Clamydomonas reinhardtii for copper bioremediation in wastewaters
Urška Žvab, Danijel Stojković, Matjaž Valant, 2019, objavljeni povzetek znanstvenega prispevka na konferenci

Ključne besede: copper, hydrogen, wastewater, green algae, Clamydomonas reinhardtii
Objavljeno v RUNG: 19.12.2019; Ogledov: 3232; Prenosov: 0
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13.
Paramagnetic H-related defects in silica: a first-principles investigation
Luigi Giacomazzi, Layla Martin-Samos, Nicolas Richard, 2016, objavljeni znanstveni prispevek na konferenci

Ključne besede: silica, EPR, E'beta, first-principles, hydrogen related defects
Objavljeno v RUNG: 16.10.2018; Ogledov: 3983; Prenosov: 0
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