One-step hydrothermal synthesis of Ag decorated TiO2 nanoparticles for dye-sensitized solar cell application

  • Yong Xiang Dong
  • , Xuan Liang Wang
  • , En Mei Jin
  • , Sang Mun Jeong*
  • , Bo Jin
  • , See Hoon Lee
  • *Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

Abstract

Over the past few years, many efforts have been made to develop efficient visible light-activated photovoltaic materials. In this study, the Ag-TiO2 nanoparticles were synthesized by using the hydrothermal method. Ag-TiO2 nanoparticles showed significantly higher visible light absorption and better photovoltaic activity than anatase TiO2. TiO2 nanoparticles were decorated with different concentrations of Ag to improve their photovoltaic properties. All the as-prepared TiO2 and Ag-TiO2 nanoparticles showed a pure anatase crystalline structure. In addition, the Ag-doped nanoparticles showed broader absorption edges (which shifted to higher wavelengths) than the undoped nanoparticles. The solar conversion efficiency (η) of 0.1M Ag-decorated (Ag0.1-TiO2) nanoparticle-based dye-sensitized solar cell (DSSC) was 6.44%, which is ∼22% higher than that of the TiO2 nanoparticle-based DSSC (η of 5.05%).

Original languageEnglish
Pages (from-to)1207-1212
Number of pages6
JournalRenewable Energy
Volume135
DOIs
StatePublished - 2019.05

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • Ag-TiO
  • Dye-sensitized solar cell
  • Hydrothermal synthesis
  • Photovoltaic activity
  • Visible light absorption

Quacquarelli Symonds(QS) Subject Topics

  • Engineering - Electrical & Electronic

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