Effect of PEG as Soft Template in Hydrothermal Synthesis of Porous TiO2 Nanoparticles for DSSC Application

K. Subalakshmi, K. Ashok Kumar, J. Senthilselvan

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Porous TiO2 nanoparticles were prepared by soft template assisted hydrothermal method. XRD pattern confirms the formation of tetragonal anatase phase of TiO2. HRSEM images show homogeneous spherical shaped porous TiO2 nanoparticles. UV-Visible spectrum ensures broad absorption in ultraviolet regime with absorption maximum at 291 nm. Nyquist plot reveals that decrease in electrical resistance with increasing applied potential results in enhancing the conductivity. The interfacial charge transfer resistance and electron recombination lifetime of the fabricated DSSC was examined using EIS analysis. Photovoltaic performance of the device was studied using standard solar simulator and the power conversion efficiency of ∼2.3% was achieved.

Original languageEnglish
Pages (from-to)12545-12549
Number of pages5
JournalMaterials Today: Proceedings
Volume4
Issue number14
DOIs
StatePublished - 2017

Keywords

  • Dye-sensitized solar cell (DSSC)
  • Polyethylene glycol (PEG)
  • Porous TiO

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