Abstract
Rising temperatures significantly affect the PV module, decreasing its voltage and lowering output power. Furthermore, temperature rises have been linked to several PV module failures or degradation modes. The purpose of this study analyzes polyvinyl alcohol PVA on crystalline silicon solar cells as a thermal insulation thin film. PVA thin films were prepared by dip-coating technique with a thickness of 1.15μm. The films exhibit suitable solar cell temperature controlling though it's an effect on masking the ultraviolet wavelength. The maximum temperature variation on the coating solar cell's surface was 4.5 °C as a comparison to a bare solar cell with irradiate exposure time 1800sec, and maximum efficiency obtained 18.99% in which Voc = 0.566 v and Isc = 330.2 mA when compared with bare solar cell 15.07% with benefit efficiency +3.92%. The concentrations of the polyvinyl alcohol influences on thin films and their effect on solar cell parameters are discussed.
Highlights
Because of the rising cost of oil-based electricity, the termination of fossil fuel resources, and the contamination of the atmosphere, renewable energy sources have recently attracted a lot of interest
The 4 cm × 2cm polycrystalline silicon solar cells used in this work illustrated in Figure 1; the samples first washed with ethanol used ultrasonic water bath type for 1 hour
polyvinyl alcohol (PVA) has been presented as a promising optoelectronic candidate
Summary
Because of the rising cost of oil-based electricity, the termination of fossil fuel resources, and the contamination of the atmosphere, renewable energy sources have recently attracted a lot of interest. The action of photonic energy in non-UV protective materials can cause undesired breakage of chemical structures, and it may be toxic to living organisms; Photo-aging of the skin can occur under intense ultraviolet light [3]. When it comes to UV radiation, it is usually divided into UV-A, UV-B, and UVC radiation, with wavelengths ranging from 315–380nm to 280–315nm and from 100–280nm, respectively. UV-Vis Spectroscopy, solar cell analyzer module, and thermo-couples K-type with data-logger PC-link were used for optical properties and thermal studies These films are excellent UV-BLOCK and thermal insulators for solar cells, and they extend the life of the solar cell
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