Improvement of MoS2 electrocatalytic activity for hydrogen evolution reaction by ion irradiation
Само за регистроване кориснике
2023
Аутори
Rmuš Mravik, JelenaMilanović, Igor
Milošević Govedarović, Sanja
Mraković, Ana
Korneeva, Ekaterina
Stojković Simatović, Ivana
Kurko, Sandra
Чланак у часопису (Објављена верзија)
Метаподаци
Приказ свих података о документуАпстракт
Molybdenum disulfide (MoS2) is considered promising noble metal-free catalysts for the hydrogen evolution reaction (HER). Whereas the bulk MoS2 does not exhibit significant activity, the catalytic properties of various nanostructures are noticeable. Therefore we synthesized flower-like molybdenum disulfide with the simple, one-step hydrothermal method. To enhance the catalytic activity of the material, low-energy ion irradiation is employed. As-prepared MoS2 is irradiated with hydrogen and carbon ions of various energies (20–40 keV) and fluences (1014-1017 ion/cm2). Our results show that irradiation has beneficial influence on MoS2 catalytic activity toward hydrogen evolution reaction. By producing morphological changes and defects in the structure, ion irradiation also impacts the conductivity of the material, which shows predominant effect on hydrogen evolution. The increase of current density at an overpotential of 300 mV with hydrogen ion irradiation is even 6 times higher than for... as-synthesized catalyst.
Кључне речи:
Electrocatalyst / Hydrogen evolution reaction / Ion irradiation / Molybdenum disulfideИзвор:
International Journal of Hydrogen Energy, 2023, 48, 98, 38676-38685Финансирање / пројекти:
- Министарство науке, технолошког развоја и иновација Републике Србије, институционално финансирање - 200017 (Универзитет у Београду, Институт за нуклеарне науке Винча, Београд-Винча) (RS-MESTD-inst-2020-200017)
Колекције
Институција/група
VinčaTY - JOUR AU - Rmuš Mravik, Jelena AU - Milanović, Igor AU - Milošević Govedarović, Sanja AU - Mraković, Ana AU - Korneeva, Ekaterina AU - Stojković Simatović, Ivana AU - Kurko, Sandra PY - 2023 UR - https://vinar.vin.bg.ac.rs/handle/123456789/11187 AB - Molybdenum disulfide (MoS2) is considered promising noble metal-free catalysts for the hydrogen evolution reaction (HER). Whereas the bulk MoS2 does not exhibit significant activity, the catalytic properties of various nanostructures are noticeable. Therefore we synthesized flower-like molybdenum disulfide with the simple, one-step hydrothermal method. To enhance the catalytic activity of the material, low-energy ion irradiation is employed. As-prepared MoS2 is irradiated with hydrogen and carbon ions of various energies (20–40 keV) and fluences (1014-1017 ion/cm2). Our results show that irradiation has beneficial influence on MoS2 catalytic activity toward hydrogen evolution reaction. By producing morphological changes and defects in the structure, ion irradiation also impacts the conductivity of the material, which shows predominant effect on hydrogen evolution. The increase of current density at an overpotential of 300 mV with hydrogen ion irradiation is even 6 times higher than for as-synthesized catalyst. T2 - International Journal of Hydrogen Energy T1 - Improvement of MoS2 electrocatalytic activity for hydrogen evolution reaction by ion irradiation VL - 48 IS - 98 SP - 38676 EP - 38685 DO - 10.1016/j.ijhydene.2023.06.178 ER -
@article{ author = "Rmuš Mravik, Jelena and Milanović, Igor and Milošević Govedarović, Sanja and Mraković, Ana and Korneeva, Ekaterina and Stojković Simatović, Ivana and Kurko, Sandra", year = "2023", abstract = "Molybdenum disulfide (MoS2) is considered promising noble metal-free catalysts for the hydrogen evolution reaction (HER). Whereas the bulk MoS2 does not exhibit significant activity, the catalytic properties of various nanostructures are noticeable. Therefore we synthesized flower-like molybdenum disulfide with the simple, one-step hydrothermal method. To enhance the catalytic activity of the material, low-energy ion irradiation is employed. As-prepared MoS2 is irradiated with hydrogen and carbon ions of various energies (20–40 keV) and fluences (1014-1017 ion/cm2). Our results show that irradiation has beneficial influence on MoS2 catalytic activity toward hydrogen evolution reaction. By producing morphological changes and defects in the structure, ion irradiation also impacts the conductivity of the material, which shows predominant effect on hydrogen evolution. The increase of current density at an overpotential of 300 mV with hydrogen ion irradiation is even 6 times higher than for as-synthesized catalyst.", journal = "International Journal of Hydrogen Energy", title = "Improvement of MoS2 electrocatalytic activity for hydrogen evolution reaction by ion irradiation", volume = "48", number = "98", pages = "38676-38685", doi = "10.1016/j.ijhydene.2023.06.178" }
Rmuš Mravik, J., Milanović, I., Milošević Govedarović, S., Mraković, A., Korneeva, E., Stojković Simatović, I.,& Kurko, S.. (2023). Improvement of MoS2 electrocatalytic activity for hydrogen evolution reaction by ion irradiation. in International Journal of Hydrogen Energy, 48(98), 38676-38685. https://doi.org/10.1016/j.ijhydene.2023.06.178
Rmuš Mravik J, Milanović I, Milošević Govedarović S, Mraković A, Korneeva E, Stojković Simatović I, Kurko S. Improvement of MoS2 electrocatalytic activity for hydrogen evolution reaction by ion irradiation. in International Journal of Hydrogen Energy. 2023;48(98):38676-38685. doi:10.1016/j.ijhydene.2023.06.178 .
Rmuš Mravik, Jelena, Milanović, Igor, Milošević Govedarović, Sanja, Mraković, Ana, Korneeva, Ekaterina, Stojković Simatović, Ivana, Kurko, Sandra, "Improvement of MoS2 electrocatalytic activity for hydrogen evolution reaction by ion irradiation" in International Journal of Hydrogen Energy, 48, no. 98 (2023):38676-38685, https://doi.org/10.1016/j.ijhydene.2023.06.178 . .