One-step synthesis of CdS sensitized TiO2 photoanodes for quantum dot-sensitized solar cells by microwave assisted chemical bath deposition method

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Abstract

Sensitized-type solar cells based on TiO2 photoanodes and CdS quantum dots (QDs) as sensitizers have been studied. CdS QDs are grown on TiO2 films, utilizing one-step microwave assisted chemical bath deposition (MACBD) method. This method allows a facile and rapid deposition and integration between CdS QDs and TiO2 films. The photovoltaic performances of the cells fabricated using CdS precursor solutions with different concentrations are investigated. The results show that the cell based on MACBD deposited TiO2/CdS electrode achieves a maximum short circuit current density of 7.20 mAcm-2 and power conversion efficiency of 1.18 % at one sun (AM 1.5G, 100 mW cm-2), which is comparable to the ones prepared using conventional techniques.

Original languageEnglish
Pages (from-to)1472-1478
Number of pages7
JournalACS Applied Materials and Interfaces
Volume3
Issue number5
DOIs
StatePublished - 25 May 2011
Externally publishedYes

Keywords

  • Electrodes
  • Microwave-assisted chemical bath deposition
  • Quantum dots
  • Solar cells
  • Titanium dioxide

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