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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 ...

  • American Institute of Physics (AIP),2014
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:liu-108928
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-108928URI
  • https://doi.org/10.1063/1.4881324DOI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • 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

  • TECHNOLOGY
  • TEKNIKVETENSKAP

Added entries (persons, corporate bodies, meetings, titles ...)

  • Soto Rodriguez, P.E. D.Universidad Politécnica de Madrid, Spain (author)
  • Kumar, PraveenUniversidad Politécnica de Madrid, Spain (author)
  • Gomez, V.J.Universidad Politécnica de Madrid, Spain (author)
  • Aseev, P.Universidad Politécnica de Madrid, Spain (author)
  • Alvi, A.H.Government College University, Faisalabad, Pakistan (author)
  • Alvi, M.A.Government College University, Faisalabad, Pakistan (author)
  • Willander, MagnusLinköpings universitet,Fysik och elektroteknik,Tekniska högskolan(Swepub:liu)magwi72 (author)
  • Noetzel, R.Universidad Politécnica de Madrid, Spain (author)
  • Universidad Politécnica de Madrid, SpainGovernment College University, Faisalabad, Pakistan (creator_code:org_t)

Related titles

  • In:Applied Physics Letters: American Institute of Physics (AIP)104:22, s. 223104-1-223104-30003-69511077-3118

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