4.7 Article

A {0001} faceted single crystal NiS nanosheet electrocatalyst for dye-sensitised solar cells: sulfur-vacancy induced electrocatalytic activity

Journal

CHEMICAL COMMUNICATIONS
Volume 50, Issue 42, Pages 5569-5571

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c4cc01691b

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Funding

  1. Australian Research Council (ARC) Discovery Project
  2. Natural Science Foundation of China [51372248]

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Hydrothermally synthesised single crystal NiS nanosheets with an exposed (0001) surface exhibited a light conversion efficiency of 8.62% as an electrocatalyst for dye-sensitised solar cells (DSSCs), significantly higher than that of Pt-based DSSCs (7.36%). The theoretical calculations revealed the exposed (0001) surface with superior catalytic activity owing to the existence of sulfur vacancies.

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