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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
Solvent volume-driven CuInAlS2 nanoflake counter electrode for effective electrocatalytic tri-iodide reduction in dye-sensitized solar cells
Abstract
<p>The influence of solvent volume on the properties of CuInAlS<sub>2</sub> (CIAS) thin films deposited using simple and cost-effective nebulizer spray technique is studied. The polycrystalline CIAS thin films with tetragonal structure have been observed from the XRD results. SEM images show nanoflake-like structure on the film surface. The elemental presence and its chemical composition were examined by XPS and EDS. The deposited CIAS film for different solvent volume exhibited p-type semiconductor. Cyclic voltammetry, electrochemical impedance spectroscopy, and Tafel polarization measurements demonstrated that CIAS counter electrodes are capable of tri-iodide reduction process. The performances of photocurrent density-voltage for the CIAS CE exhibited the maximum efficiency of 2.55% with the short-circuit current density of 7.22 mA cm<sup>−2</sup>. [Figure not available: see fulltext.].</p>