Ternary NiCuS electrocatalyst for iodide/triiodide reduction in dye-sensitized solar cells

Bakhytzhan Baptayev, Yerbolat Tashenov, Ademau Aliakbarova, Salimgerey Adilov, Mannix Balanay

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

A Pt-free ternary nickel copper sulfide (NCS) electrocatalyst for iodide / triiodide electrolyte reduction in dye-sensitized solar cells was studied. The electrocatalyst was prepared via hydrothermal method and characterized by X-ray Diffraction, Scanning Electron Microscopy, Energy Dispersive X-ray Spectroscopy and X-ray Photoelectron Spectroscopy. XRD analysis showed corresponding signals of NiS2 and CuS. Cyclic voltammetry analysis demonstrated fast reduction of triiodide by NCS electrocatalyst. Electrochemical impedance analysis revealed comparable electrocatalytic activity of NCS to that of Pt, wherein NCS-based solar cell produced 7.66 % efficiency compared to 8.11% for Pt DSSC.

Original languageEnglish
JournalMaterials Today: Proceedings
DOIs
Publication statusAccepted/In press - 2022

Keywords

  • Dye-sensitized solar cell
  • Electrocatalyst
  • Iodide / triiodide reduction
  • Pt-free counter electrode
  • Ternary nickel copper sulfide

ASJC Scopus subject areas

  • General Materials Science

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