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Photoelectrochemica...
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Alvi, N.H.Universidad Politécnica de Madrid, Spain
(author)
Photoelectrochemical water splitting and hydrogen generation by a spontaneously formed InGaN nanowall network
- Article/chapterEnglish2014
Publisher, publication year, extent ...
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American Institute of Physics (AIP),2014
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electronicrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:liu-108928
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-108928URI
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https://doi.org/10.1063/1.4881324DOI
Supplementary language notes
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Language:English
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Summary in:English
Part of subdatabase
Classification
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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We investigate photoelectrochemical water splitting by a spontaneously formed In-rich InGaN nanowall network, combining the material of choice with the advantages of surface texturing for light harvesting by light scattering. The current density for the InGaN-nanowalls-photoelectrode at zero voltage versus the Ag/AgCl reference electrode is 3.4 mA cm(-2) with an incident-photon-to-current-conversion efficiency (IPCE) of 16% under 350 nm laser illumination with 0.075 W.cm(-2) power density. In comparison, the current density for a planar InGaN-layer-photoelectrode is 2 mA cm(-2) with IPCE of 9% at zero voltage versus the Ag/AgCl reference electrode. The H-2 generation rates at zero externally applied voltage versus the Pt counter electrode per illuminated area are 2.8 and 1.61 mu mol.h(-1).cm(-2) for the InGaN nanowalls and InGaN layer, respectively, revealing similar to 57% enhancement for the nanowalls. (C) 2014 AIP Publishing LLC.
Subject headings and genre
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TECHNOLOGY
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TEKNIKVETENSKAP
Added entries (persons, corporate bodies, meetings, titles ...)
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Soto Rodriguez, P.E. D.Universidad Politécnica de Madrid, Spain
(author)
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Kumar, PraveenUniversidad Politécnica de Madrid, Spain
(author)
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Gomez, V.J.Universidad Politécnica de Madrid, Spain
(author)
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Aseev, P.Universidad Politécnica de Madrid, Spain
(author)
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Alvi, A.H.Government College University, Faisalabad, Pakistan
(author)
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Alvi, M.A.Government College University, Faisalabad, Pakistan
(author)
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Willander, MagnusLinköpings universitet,Fysik och elektroteknik,Tekniska högskolan(Swepub:liu)magwi72
(author)
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Noetzel, R.Universidad Politécnica de Madrid, Spain
(author)
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Universidad Politécnica de Madrid, SpainGovernment College University, Faisalabad, Pakistan
(creator_code:org_t)
Related titles
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In:Applied Physics Letters: American Institute of Physics (AIP)104:22, s. 223104-1-223104-30003-69511077-3118
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