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Synthesis of Silver Sulphide Nanoparticles by Modified Chemical Route For Solar Cell Applications

Author Affiliations

  • 1PSGVPM’S Arts, Science and Commerce College Shahada, Dist- Nandurbar-425409 MS INDIA
  • 2SPDM Arts SBB & SHD Commerce and SMA Science College, Shirpur, Dhule-425405, MS, INDIA

Res.J.chem.sci., Volume 3, Issue (7), Pages 69-74, July,18 (2013)

Abstract

Modified chemical bath deposition technique has been implemented for the deposition of silver sulphide thin (CBD) method onto the glass and fluorine doped tin oxide (FTO) coated glass substrate from an aqueous alkaline bath at room temperature (300K). The deposition bath consists of silver nitrate, thiourea and ammonia. The preparative parameters such as ion concentration, deposition time, pH of solution, were optimized for Ag2S thin films. The as deposited films on glass substrate were studied for their structural, surface morphological, optical and electrical properties using techniques such as X-ray diffraction, atomic force microscopy (AFM), Scanning electron microscopy (SEM), optical absorption and dc two probe method. The photoelectrochemical (PEC) investigations of Ag2S films were carried out by using chemical cell configuration n- Ag2S /1M/NaOH-NaS-S/Pt. and the nanocrystalline films were found to be photoactive in polysulphide solution. The dynamic current–voltage (I–V) characteristic was examined at room temperature. The photovoltaic output characteristics were used to calculate the fill factor (FF) and power conversion efficiency (). The photovoltaic conversion efficiency of the thin film was found to be 0.002% with n-type conductivity.

Modified chemical bath deposition technique has been implemented for the deposition of silver sulphide thin (CBD) method onto the glass and fluorine doped tin oxide (FTO) coated glass substrate from an aqueous alkaline bath at room temperature (300K). The deposition bath consists of silver nitrate, thiourea and ammonia. The preparative parameters such as ion concentration, deposition time, pH of solution, were optimized for Ag2S thin films. The as deposited films on glass substrate were studied for their structural, surface morphological, optical and electrical properties using techniques such as X-ray diffraction, atomic force microscopy (AFM), Scanning electron microscopy (SEM), optical absorption and dc two probe method. The photoelectrochemical (PEC) investigations of Ag2S films were carried out by using chemical cell configuration n- Ag2S /1M/NaOH-NaS-S/Pt. and the nanocrystalline films were found to be photoactive in polysulphide solution. The dynamic current–voltage (I–V) characteristic was examined at room temperature. The photovoltaic output characteristics were used to calculate the fill factor (FF) and power conversion efficiency (). The photovoltaic conversion efficiency of the thin film was found to be 0.002% with n-type conductivity.

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