Abstract
One of the least studied and most important parameters that are ignored in the simulation and construction of solar cells is temperature. The effect of temperature is complex, and the solar cell is a very temperature-sensitive device. Constructing high-efficient solar cells is an essential task. In this paper, we simulated and studied the effect of temperature on the characteristics of FTO/SnO2/CdS/CdTe/Cu2O solar cells using MATLAB and Maple software. For this purpose, first, the transport and Poisson equations, the continuity of the current, and the transfer of the carrier were solved by the drift-diffusion method and then they were discretized. We examined the cell temperature in the range of 200 to 400 Kelvin. The results showed that increasing temperature from 200 to 400 Kelvin open-circuit voltage decreases the short-circuit current. Furthermore, the filling factor first increases and then decreases. The efficiency of the solar cell also decreases sharply with increasing temperature. The results showed that, by decreasing the temperature of the solar cell, an efficiency of more than 32% can be achieved in cadmium telluride solar cells with FTO/SnO2/CdS/CdTe/Cu2O structure.
Highlights
Urbanization and rapid growth in industrialization extensively bring significant increments in environmental pollution and global warming, which are vital issues alongside the energy crisis that oblige scientists to seek a suitable alternative energy source to rescue the Earth and the environment. in-film photovoltaic (PV) solar cell technology has grasped global attention among researchers due to its outstanding promises for renewable energy resources and substitution with fossil fuels to meet human energy needs [1]
We consider a multilayer solar cell consisting of FTO/ SnO2/CdS/CdTe/Cu2O layers. e structure was optimized in previous studies at room temperature regardless of temperature changes
Till temperature changes in this structure had not been simulated and studied. e temperature-dependent performance parameters, such as shortcircuit current density (Jsc), open-circuit voltage (Voc), filling factor (FF), and conversion efficiency (η) of CdTebased solar cell have been analyzed with the temperature change ranges from 200 to 400 K indicating the electrical properties such as Jsc and Voc are very important in solar cell performance
Summary
Urbanization and rapid growth in industrialization extensively bring significant increments in environmental pollution and global warming, which are vital issues alongside the energy crisis that oblige scientists to seek a suitable alternative energy source to rescue the Earth and the environment. in-film photovoltaic (PV) solar cell technology has grasped global attention among researchers due to its outstanding promises for renewable energy resources and substitution with fossil fuels to meet human energy needs [1]. E high absorption coefficient of cadmium telluride is more than 5 × 105 cm− 1 and the direct band distance is 1.5 volts, which corresponds exactly to the solar spectrum and turns it into a complete solar cell material that can absorb most of the photons in the visible range, which have more energy than the bandgap to convert maximum sunlight into. Other researchers have proposed different simulation methods to study the performance of cadmium telluride solar cells using doping concentration, layer thickness, and carrier lifetimes [6]. When a solar cell operates at high temperatures, photovoltaic materials and device properties such as band gaps and absorption coefficients change. We will study the effect of temperature on open-circuit voltage, short-circuit current, charge coefficient, and efficiency in 5-layer solar cells with FTO/SnO2/ CdS/CdTe/Cu2O structure by numerical simulation
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