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Computational predi...
Computational prediction of two-dimensional o-Al2N2 under applied strain for boosting the photocatalytic hydrogen evolution reaction performance
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- Bouziani, Ilyas (författare)
- Moulay Ismail Univ Meknes, Fac Sci, Phys Dept, Unite Assoc CNRST,Lab Phys Mat & Modelisat Syst,LP, BP 11201, Meknes, Morocco.
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- Essaoudi, Ismail (författare)
- Moulay Ismail Univ Meknes, Fac Sci, Phys Dept, Unite Assoc CNRST,Lab Phys Mat & Modelisat Syst,LP, BP 11201, Meknes, Morocco.
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- Ahuja, Rajeev, 1965- (författare)
- Uppsala universitet,Materialteori,Indian Inst Technol Ropar, Dept Phys, Rupnagar 140001, Punjab, India.
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- Ainane, Abdelmajid (författare)
- Moulay Ismail Univ Meknes, Fac Sci, Phys Dept, Unite Assoc CNRST,Lab Phys Mat & Modelisat Syst,LP, BP 11201, Meknes, Morocco.;Max Planck Inst Phys Complexer Syst, Nothnitzer Str 38, D-01187 Dresden, Germany.
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Moulay Ismail Univ Meknes, Fac Sci, Phys Dept, Unite Assoc CNRST,Lab Phys Mat & Modelisat Syst,LP, BP 11201, Meknes, Morocco Materialteori (creator_code:org_t)
- Elsevier, 2023
- 2023
- Engelska.
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Ingår i: International journal of hydrogen energy. - : Elsevier. - 0360-3199 .- 1879-3487. ; 48:91, s. 35542-35551
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Photocatalytic water splitting for clean hydrogen fuel production provides a promising approach to solve the energy and environmental issues. Recently, two-dimensional (2D) photocatalysts have attracted growing interest owing to their short carrier diffusion path, abundant active sites and large surface area. This study explores the photocatalytic performance of 2D orthorhombic dialuminum dinitride (o-Al2N2) using density functional theory. The computational results show that the o-Al2N2 monolayer has a semiconductor character with indirect and moderate bandgap. Moreover, this system exhibits high light absorption in the visible region, referring to its high capacity for harvesting sunlight. Meanwhile, under neutral pH, the band edge positions are suitable to straddle water redox potentials and the hydrogen evolution reaction is energetically favorable to allow hydrogen production on the surface of 2D o-Al2N2 compound. More importantly, the photocatalytic activity of o-Al2N2 monolayer is significantly improved under slight biaxial compressive strain. Therefore, our findings suggest that the o-Al2N2 nanomaterial is a highly efficient 2D photocatalyst for hydrogen production via water splitting under neutral pH.(c) 2023 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
Ämnesord
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Nyckelord
- Two-dimensional orthorhombic
- First-principles computations
- Strain engineering
- Photocatalytic water splitting
- Hydrogen evolution reaction
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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