Designing of TiO 2 –rGO nanocomposite-based photoanode to enhance the performance of dye-sensitized solar cells

  • Zhang Jie
  • , Hafiz Muhammad Asif Javed
  • , M. Ijaz Khan
  • , Muhammad Awais
  • , Muhammad Sarfaraz
  • , Wenxiu Que
  • , Muhammad Salman Mustafa
  • , Sami Ullah Khan
  • , M. Riaz Khan
  • , Ahmed M. Galal
  • , Ashraf Y. Elnaggar
  • , Mohamed Bakry Masod
  • , Tao Naixin

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

The development of TiO 2–rGO nanocomposite-based photoanode is an efficient way to enhance the power conversion efficiency (PCE) of dye-sensitized solar cells (DSSCs). TiO 2–rGO nanocomposite has been synthesized for the modified photoanode of DSSCs. GO has been synthesized by modified Hummer’s method, and rGO was achieved by two more steps. TiO 2 nanoparticles have been synthesized by the sol–gel approach followed by composition with rGO. The TiO 2–rGO nanocomposites were analyzed by Field-Emission Scanning Electron Microscopy (SEM), Energy-Dispersive X-ray Spectroscopy (EDX), X-Ray Diffraction (XRD), UV–Vis Spectroscopy, and IV measurements. The as synthesized TiO 2–rGO nanocomposite-based photoanode showed a higher PCE than pure TiO 2 nanoparticles-based photoanode. Moreover, TiO 2–rGO nanocomposite-based photoanode presented enhanced efficiency of 4.09% in DSSCs because rGO has better charge collection ability, which is more convenient to reduce the electron recombination rate.

Original languageEnglish
Pages (from-to)2919-2926
Number of pages8
JournalEuropean Physical Journal: Special Topics
Volume231
Issue number15
DOIs
StatePublished - Sep 2022

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