4.6 Article

Facile fire treatment of nanostructured hematite with an enhanced photoelectrochemical water splitting performance

Journal

JOURNAL OF MATERIALS CHEMISTRY A
Volume 4, Issue 39, Pages 14974-14977

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ta05900g

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Funding

  1. China Postdoctoral Science Foundation [2015M580205]
  2. National Natural Science Foundation of China [21606171]

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A novel fire treatment was adopted to activate two types of hematite photoanodes (sol-gel thin films and hydrothermal nanowires), which successfully removed the surface trap states (surface hydroxyls) on hematite. An optimized photocurrent density of 2.63 mA cm(-2) was observed at 1.23 V vs. RHE.

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