4.8 Article

Hierarchical three-dimensional branched hematite nanorod arrays with enhanced mid-visible light absorption for high-efficiency photoelectrochemical water splitting

Journal

NANOSCALE
Volume 8, Issue 25, Pages 12697-12701

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c6nr03855g

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Funding

  1. National Natural Science Foundation [51102272, 91127001]
  2. Program for Changjiang Scholars and Innovative Research Team in University [IRT_15R37]
  3. Sci-tech Support Plan of Jiangsu Province [BE2014719]
  4. Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) [YX03001]

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Herein, we presented hierarchical three-dimensional (3D) branched hematite nanorod arrays (NAs) on transparent fluorine-doped tin oxide (FTO) conductive glass substrates, which exhibited high PEC water splitting performance due to the enhancement of midvisible light harvesting as well as charge separation and transfer. The introduction of a TiO2 underlayer made the as-prepared 3D branched hematite NAs achieve a photocurrent density of 0.61 mA cm(-2) at 1.23 V vs. reversible hydrogen electrode (RHE) without high-temperature activation.

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