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Indonesia is very suitable country to use solar energy because Indonesia has a tropical climate and produces daily average energy radiation per unit area and time equivalent to about 4.8 kilo watt/m2, however there are several factors that influence the performance of solar energy, namely PV panel temperature and shadow. Both of these factors are p...
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Context 1
... also compared the results of measurements between energy and irradiance before and after the installation of window film directly to PV solar panels, before the installation of window film can be seen in figure 4, the energy measured was highest on August 28, 2018 at 11:00 a.m. by 19.1 watts with irradiance 798.3 w/m and the lowest energy on 28 August 2018 at 14.00 wib at 11.2 watts with irradiance 130 w/m. ...
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Greatly enhanced hole collection of MoO x is demonstrated experimentally with a top sub-10 nm thick Ag film, allowing for an efficient dopant-free contacted crystalline silicon (c-Si) heterojunction solar cell without a front grid electrode. With the removal of shadows induced by the front grid electrode, the gridless solar cell with the MoO x /Ag...
Citations
... The factors that affect the performance of solar energy are the temperature of the photovoltaic and shadow panels. These two factors significantly influence the photovoltaic (PV) system ' s behavior to greatly affect system efficiency and energy output [ 5 ]. ...
... The sustainability of energy supply in the future depends on the paradigm of switching from non-fossil fuels that produce pollution to renewable sources [6]. There are so many energy needs that to meet those needs alternative energy is needed, namely renewable energy [4]. ...
... The factors that affect the performance of solar energy are the temperature of the photovoltaic and shadow panels. These two factors significantly influence the photovoltaic (PV) system ' s behavior to greatly affect system efficiency and energy output [ 5 ]. ...
This study aimed to obtain the most efficient Dye-Sensitized Solar Cell (DSSC) using yellow sweet potato extract (Ipomoea Batatas L.) as a dye sensitizer, with acetic acid, polyethyleneglycol (PEG), and polyvinylalcohol (PVA) as TiO2 binding solution. This research includes the preparation of TiO2 paste with variations: 4 g TiO2 plus 2 M acetic acid (Paste-1), 3.5 g TiO2 plus 15 mL PEG-400 (Paste-2), and 0.5 g TiO2 plus 0.75 mL. PVA (Paste-3). Anthocyanin dye from yellow sweet potato was prepared and used to soak the TiO2 photoelectrode for 24 hours. UV-vis and FTIR spectra of dye solution from yellow sweet potato extract showed anthocyanin content at a maximum wavelength of 283 nm and were strengthened by the appearance of hydroxyl groups in the infrared spectra. The highest DSSC efficiency of 0.302% was obtained from PVA as a TiO2 binder, with an electric current of 0.0204 mA and an electric voltage of 338 mv.
