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M. A. BAROTE1,* , A. A. YADAV2, T. V. CHAVAN2, E. U. MASUMDAR2
Lead sulphide thin films have been deposited on amorphous and fluorine doped tin oxide (FTO) coated glass substrates using simple and inexpensive chemical bath deposition technique. The reactive substances used to obtain the PbS thin films were lead sulphate, thiourea and sodium hydroxide. Triethanolamine (TEA) was used as a complexing agent. The ‘as-deposited’ films were characterized for structural, morphological, compositional, optical, electrical and photoelectrochemical (PEC) properties. The X-ray diffraction (XRD) studies reveal that the films are polycrystalline in nature with cubic phases. The energy dispersive analysis by X-ray (EDAX) shows that films are Pb rich. The surface morphology and crystallite size were determined by scanning electron microscope measurements. The optical studies were carried out from spectroscopy measurements in the wavelength range 350-3300 nm. The band gap energy is estimated as 0.49 eV. The film shows n-type conduction mechanism. The photoelectrochemical cell with PbS film as a photo anode and sulphide-polysulphide (1M) solution as an electrolyte is constructed and investigated for various cell parameters. The solar to electrical conversion efficiency (η) and fill factor (FF) are found to be 0.041 % and 36.8% respectively..
PbS thin films, Chemical bath deposition, XRD, EDAX, SEM.
M. A. BAROTE, A. A. YADAV, T. V. CHAVAN, E. U. MASUMDAR, Characterization and photoelectrochemical properties of chemical bath deposited n-PbS thin films, Optoelectronics and Advanced Materials - Rapid Communications, 5, 4, April 2011, pp.387-392 (2011).
Submitted at: March 25, 2011
Accepted at: April 11, 2011
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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