PHOTOVOLTAIC AND IMPEDANCE CHARACTERISTICS OF MODIFIED SILAR GROWN CDS QUANTUM DOT SENSITIZED SOLAR CELL
Amanullah Fatehmulla, W. A. Farooq, M. Aslam, M. Atif, S. M. Ali, I. S. Yahia, F. Yakuphanoglu, A. M. Al-Dhafiri
Pagini: 676-683
Publicat: 2 Jun 2014
Vizualizări: 3,879
Descărcări: 1,074
Citations: 4 (Google Scholar)
Citations: 3 (OpenAlex)
Rezumat: Cadmium Sulphide (CdS) quantum dots (QDs) were deposited on nanostructured TiO2 film using a modified Successive Ionic Layer Adsorption and Reaction (SILAR) method. Nanostructured TiO2 on FTO glass and Platinum on FTO are used as photoelectrode and Counter electrode respectively. High resolution Transmission Electron Microscopy (HRTEM) image revealed CdS QDs adsorbed on nanostructured TiO2. The photovoltaic characteristics and impedance spectroscopy properties of CdS quantum dot sensitized solar cell (QDSSC) were analyzed under air mass 1.5 illuminations. At the SILAR adsorption time of 2 min (10 cycles), the QDSSC measured a short circuit current density of 2 mA/cm2 and an open circuit voltage of 0.45 V under air mass 1.5. In a widespread frequency range, the capacitance –voltage, the conductance –voltage, the series resistancevoltage measurements were carried out for the QDSSC applications. A conduct of positive to negative capacitance was observed from the measured characteristics of capacitance- voltage which is attributed to the injection of electrons from FTO electrode into TiO2.
Cuvinte cheie: cds qdssc, silar method, photovoltaic measurements, impedance characteristics
Citează acest articol: Amanullah Fatehmulla, W. A. Farooq, M. Aslam, M. Atif, S. M. Ali, I. S. Yahia, F. Yakuphanoglu, A. M. Al-Dhafiri. PHOTOVOLTAIC AND IMPEDANCE CHARACTERISTICS OF MODIFIED SILAR GROWN CDS QUANTUM DOT SENSITIZED SOLAR CELL. Journal of International Scientific Publications: Materials, Methods & Technologies 8, 676-683 (2014). https://www.scientific-publications.net/en/article/1000219/
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