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Raj, A. Moses Ezhil
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Publications (6/6 displayed)
- 2018Low-cost and eco-friendly nebulizer spray coated CuInAlS2 counter electrode for dye-sensitized solar cellscitations
- 2018Solvent volume-driven CuInAlS2 nanoflake counter electrode for effective electrocatalytic tri-iodide reduction in dye-sensitized solar cellscitations
- 2018Analysis of optical dispersion parameters and electrochromic properties of manganese-doped Co3O4 dendrite structured thin filmscitations
- 2017CuInS2 layer deposition through nebulizer spray technique for solar cell fabricationcitations
- 2017Facile preparation of hierarchical nanostructured CuInS2 counter electrodes for dye-sensitized solar cellscitations
- 2015Facile synthesis of nanostructured monoclinic bismuth vanadate by a co-precipitation methodcitations
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article
Low-cost and eco-friendly nebulizer spray coated CuInAlS2 counter electrode for dye-sensitized solar cells
Abstract
<p>CuInAlS<sub>2</sub> thin films for different substrate temperatures were deposited by a novel nebulizer spray technique. The polycrystalline CIAS thin film exhibited tetragonal structure with the preferential orientation of (1 1 2) plane. Nanoflakes were observed from the surface morphology of CIAS film. The peak position of core level spectra confirms the presence of CuInAlS<sub>2</sub> from XPS analysis. The absorbance spectra and optical band gap were observed from the optical property. The activation energy, carrier concentration, hole mobility and resistivity were determined by linear four probe and Hall effect measurements. The CIAS film was used as a counter electrode (CE) in dye-sensitized solar cells (DSSCs) and is characterized by cyclic voltammetry, electrochemical impedance spectroscopy and Tafel measurements. DSSC fabricated with the CIAS CE achieved the photo conversion efficiency of about 2.55%.</p>