Grain-Growth Mediated Hydrogen Sorption Kinetics and Compensation Effect in Single Pd Nanoparticles Научная публикация
| Журнал |
Nature Communications
ISSN: 2041-1723 |
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| Вых. Данные | Год: 2021, Том: 12, Номер: 1, Номер статьи : 5427, Страниц : 10 DOI: 10.1038/s41467-021-25660-x | ||||
| Ключевые слова | nanocrystalline Pd; entropy; thermodynamics; spectroscopy; hysteresis; absorption; diffusion; oxidation; dynamics; defects | ||||
| Авторы |
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| Организации |
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Информация о финансировании (4)
| 1 | Министерство науки и высшего образования Российской Федерации (с 15 мая 2018) | 0239-2021-0011 |
| 2 | European Commission | 678941 ERC-StG-2015 SINCAT |
| 3 | Фонд Кнута и Элис Валленберг | 2015.0055 |
| 4 | Фонд Кнута и Элис Валленберг | 2016.0210 |
Реферат:
Grains constitute the building blocks of polycrystalline materials and their boundaries determine bulk physical properties like electrical conductivity, diffusivity and ductility. However, the structure and evolution of grains in nanostructured materials and the role of grain boundaries in reaction or phase transformation kinetics are poorly understood, despite likely importance in catalysis, batteries and hydrogen energy technology applications. Here we report an investigation of the kinetics of (de)hydriding phase transformations in individual Pd nanoparticles. We find dramatic evolution of single particle grain morphology upon cyclic exposure to hydrogen, which we identify as the reason for the observed rapidly slowing sorption kinetics, and as the origin of the observed kinetic compensation effect. These results shed light on the impact of grain growth on kinetic processes occurring inside nanoparticles, and provide mechanistic insight in the observed kinetic compensation effect.
Библиографическая ссылка:
Alekseeva S.
, Strach M.
, Nilsson S.
, Fritzsche J.
, Zhdanov V.P.
, Langhammer C.
Grain-Growth Mediated Hydrogen Sorption Kinetics and Compensation Effect in Single Pd Nanoparticles
Nature Communications. 2021. V.12. N1. 5427 :1-10. DOI: 10.1038/s41467-021-25660-x WOS Scopus РИНЦ OpenAlex OpenAlex CAPlusCA PMID
Grain-Growth Mediated Hydrogen Sorption Kinetics and Compensation Effect in Single Pd Nanoparticles
Nature Communications. 2021. V.12. N1. 5427 :1-10. DOI: 10.1038/s41467-021-25660-x WOS Scopus РИНЦ OpenAlex OpenAlex CAPlusCA PMID
Даты:
| Поступила в редакцию: | 5 февр. 2021 г. |
| Принята к публикации: | 19 авг. 2021 г. |
| Опубликована в печати: | 14 сент. 2021 г. |
| Опубликована online: | 14 сент. 2021 г. |
Идентификаторы БД:
| ≡ Web of science: | WOS:000696024700011 |
| ≡ Scopus: | 2-s2.0-85115277280 |
| ≡ РИНЦ: | 47060479 |
| ≡ OpenAlex: | W3138461606 | W4229608484 |
| ≡ Chemical Abstracts: | 2021:2045282 |
| ≡ Chemical Abstracts (print): | 176:482823 |
| ≡ PMID (PubMed): | 34521841 |