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Fabrication of semi...
Fabrication of semi-transparent SrTaO2N photoanodes with a GaN underlayer grown via atomic layer deposition
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- Lu, Can (författare)
- Rhein Westfal TH Aachen, Germany
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- O´Brien, Nathan (författare)
- Linköpings universitet,Kemi,Tekniska fakulteten
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- Rouf, Polla (författare)
- Linköpings universitet,Kemi,Tekniska fakulteten
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- Dronskowski, Richard (författare)
- Rhein Westfal TH Aachen, Germany; Shenzhen Polytech, Peoples R China
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- Pedersen, Henrik (författare)
- Linköpings universitet,Kemi,Tekniska fakulteten
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- Slabon, Adam (författare)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK),University of Wuppertal, Germany,Univ Wuppertal, Germany; Stockholm Univ, Sweden
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(creator_code:org_t)
- 2022-09-22
- 2022
- Engelska.
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Ingår i: Green Chemistry Letters and Reviews. - : Informa UK Limited. - 1751-8253 .- 1751-7192. ; 15:3, s. 658-670
- Relaterad länk:
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https://doi.org/10.1...
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https://liu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Quaternary metal oxynitride-based photoanodes with a large light transmittance are promising for high solar-to-hydrogen (STH) conversion efficiency in photoelectrochemical (PEC) tandem cells. Transparent substrates to support PEC water-splitting were fabricated using atomic layer deposition (ALD) to synthesize 30 and 60 nm GaN on SiC substrates. A generalized approach was used to grow a quaternary metal oxynitride, i.e. SrTaO2N thin film on the GaN/SiC substrates. The transparency above 60% in the wide solar spectrum highlights its availability of transmitting visible light to the rear side. A photocurrent onset at ca. −0.4 V vs. reversible hydrogen electrode (RHE) was achieved by the SrTaO2N/GaN/SiC photoanodes in a 0.1 M NaOH electrolyte under simulated solar irradiation. This paves the way for the construction of hierarchically nanostructured tandem PEC cells. This work demonstrates the viability of integrating ALD in constructing substrates for semi-transparent quaternary metal oxynitride photoanodes.
Ämnesord
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Nyckelord
- Photoelectrochemical water oxidation
- semi-transparent photoanode
- heterojunction
- quaternary oxynitride
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- ref (ämneskategori)
- art (ämneskategori)
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