Effect of ionic conductivity of a PAN-PC-LiClO 4 solid polymeric electrolyte on the performance of a TiO 2 photoelectrochemical cell

• Main Authors: Rika, Rahman M.Y.A., Salleh M.M., Umar A.A., Ahmad A.
• Other Authors: 36009299200
• Format: Conference paper
• Published: 2023
• Subjects: Hydrolysis technique; Ionic conductivity; Nanoparticle titanium dioxide; PAN-PC-LiClO ₄; Photoelectrochemical cell; Electrochemical electrodes; Electron beams; Graphite; Graphite electrodes; Hydrolysis; Indium compounds; Ions; ITO glass; Lithium; Nanoparticles; Open circuit voltage; Photoelectrochemical cells; Plasticizers; Propylene; Solid electrolytes; Substrates; Switching circuits; Tin; Tin oxides; Titanium; Titanium castings; Titanium compounds; Titanium dioxide; Ac impedance spectroscopy; Controlled hydrolysis; Electron beam evaporation; Glass slides; Glass substrates; Indium tin oxide; Lithium perchlorate; Photoelectrochemicals; Propylene carbonate; Redox couple; Room-temperature conductivity; Solid polymeric electrolytes; Solution-casting technique; TiO; Ionic conduction in solids

A nanoparticle TiO 2 solid-state photoelectrochemical cell has been fabricated. The effect of ionic conductivity of a solid electrolyte of polyacrylonitrile (PAN)-propylene carbonate (PC)-lithium perchlorate (LiClO 4) on the performance of a photoelectrochemical cell of indium tin oxide (ITO)/TiO 2/PAN-PC-LiClO 4/graphite has been investigated. A nanoparticle TiO 2 film was deposited onto ITO-covered glass substrate by controlled hydrolysis technique. A solid electrolyte of PAN-LiClO 4 with PC plasticizer prepared by solution casting technique was used as a redox couple medium. The room temperature conductivity of the electrolyte was determined by AC impedance spectroscopy technique. A graphite electrode was prepared onto a glass slide by electron beam evaporation technique. The device shows a photovoltaic effect under illumination. The short-circuit current density, J sc, and open-circuit voltage, V oc, vary with the conductivity of the electrolyte. The highest J sc of 2.82 ?A cm -2 and V oc of 0.56 V were obtained at the conductivity of 4.2�10 -4?Scm -1 and at the intensity of 100 mW cm -2. � 2010 Springer-Verlag.