دورية أكاديمية
أعرض في EDS

Atomistic mechanisms of water vapor-induced surface passivation.

التفاصيل البيبلوغرافية
العنوان: Atomistic mechanisms of water vapor-induced surface passivation.
المؤلفون: Chen X; Materials Science and Engineering Program and Department of Mechanical Engineering, State University of New York at Binghamton, Binghamton, NY 13902, USA., Shan W; Department of Mechanical Engineering and Materials Science, University of Pittsburgh, Pittsburgh, PA 15261, USA., Wu D; Materials Science and Engineering Program and Department of Mechanical Engineering, State University of New York at Binghamton, Binghamton, NY 13902, USA., Patel SB; Materials Science and Engineering Program and Department of Mechanical Engineering, State University of New York at Binghamton, Binghamton, NY 13902, USA., Cai N; Materials Science and Engineering Program and Department of Mechanical Engineering, State University of New York at Binghamton, Binghamton, NY 13902, USA., Li C; Materials Science and Engineering Program and Department of Mechanical Engineering, State University of New York at Binghamton, Binghamton, NY 13902, USA., Ye S; Materials Science and Engineering Program and Department of Mechanical Engineering, State University of New York at Binghamton, Binghamton, NY 13902, USA., Liu Z; Department of Electrical and Computer Engineering, State University of New York at Binghamton, Binghamton, NY 13902, USA., Hwang S; Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, NY 11973, USA., Zakharov DN; Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, NY 11973, USA., Boscoboinik JA; Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, NY 11973, USA., Wang G; Department of Mechanical Engineering and Materials Science, University of Pittsburgh, Pittsburgh, PA 15261, USA., Zhou G; Materials Science and Engineering Program and Department of Mechanical Engineering, State University of New York at Binghamton, Binghamton, NY 13902, USA.
المصدر: Science advances [Sci Adv] 2023 Nov 03; Vol. 9 (44), pp. eadh5565. Date of Electronic Publication: 2023 Nov 01.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: American Association for the Advancement of Science Country of Publication: United States NLM ID: 101653440 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 2375-2548 (Electronic) Linking ISSN: 23752548 NLM ISO Abbreviation: Sci Adv Subsets: PubMed not MEDLINE; MEDLINE
أسماء مطبوعة: Original Publication: Washington, DC : American Association for the Advancement of Science, [2015]-
مستخلص: The microscopic mechanisms underpinning the spontaneous surface passivation of metals from ubiquitous water have remained largely elusive. Here, using in situ environmental electron microscopy to atomically monitor the reaction dynamics between aluminum surfaces and water vapor, we provide direct experimental evidence that the surface passivation results in a bilayer oxide film consisting of a crystalline-like Al(OH) 3 top layer and an inner layer of amorphous Al 2 O 3 . The Al(OH) 3 layer maintains a constant thickness of ~5.0 Å, while the inner Al 2 O 3 layer grows at the Al 2 O 3 /Al interface to a limiting thickness. On the basis of experimental data and atomistic modeling, we show the tunability of the dissociation pathways of H 2 O molecules with the Al, Al 2 O 3 , and Al(OH) 3 surface terminations. The fundamental insights may have practical significance for the design of materials and reactions for two seemingly disparate but fundamentally related disciplines of surface passivation and catalytic H 2 production from water.
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تواريخ الأحداث: Date Created: 20231101 Latest Revision: 20231104
رمز التحديث: 20231104
مُعرف محوري في PubMed: PMC10619940
DOI: 10.1126/sciadv.adh5565
PMID: 37910618
قاعدة البيانات: MEDLINE
الوصف
تدمد:2375-2548
DOI:10.1126/sciadv.adh5565