Abstract
Our world is facing an environmental crisis that is driving scientists to research green and smart solutions in terms of the use of renewable energy sources and low polluting technologies. In this framework, photovoltaic (PV) technology is one of the most worthy of interest. Dye-sensitized solar cells (DSSCs) are innovative PV devices known for their encouraging features of low cost and easy fabrication, good response to diffuse light and colour tunability. All these features make DSSCs technology suitable for being applied to the so-called agrovoltaic field, taking into account their dual role of filtering light and supporting energy needs. In this project, we used 40 DSSC Z-series connected modules with the aim of combining the devices’ high conversion efficiency, transparency and robustness in order to test them in a greenhouse. A maximum conversion efficiency of 3.9% on a 221 cm2 active area was achieved with a transparency in the module’s aperture (312.9 cm2) area of 35%. Moreover, different modules were stressed at two different temperature conditions, 60 °C and 85 °C, and under light soaking at the maximum power point, showing a strong and robust stability for 1000 h. We assembled the fabricated modules to form ten panels to filter the light from the roof of the greenhouse. We carried out panel measurements in outdoor and greenhouse environments in both sunny and cloudy conditions to find clear trends in efficiency behaviour. A maximum panel efficiency in outdoor conditions of 3.83% was obtained in clear and sunny sky conditions.
Highlights
Our world is facing an environmental crisis that is driving scientists to research green and smart solutions in terms of the use of renewable energy sources and low polluting technologies
In the “Aquaponic Easy Farm 4.0” project, of the Lazio Region, Italy, we worked on the production of two square meters of photovoltaic panel to be applied inside an Aquaponic greenhouse
We focused on the development of the panels with con
Summary
Dye-sensitized solar cells (DSSCs) have been a well-known third-generation photovoltaic (PV) technology since M. 8.8% in modules of approximately 400 cm of area [7] Despite these lower efficiencies, if compared to those of the already consolidated semiconductor technologies—around. A liquid electrolyte is sandwiched between the two glasses with the role of dye recharger. This c-Si solar cell technology is not considered suitable for semi-transparent applications because of its intrinsic opacity that does not allow natural light to pass through. Research investigated second generation thin films (CdTe, a-Si, CIGS) for PV glazing applications due to their possible semi-transparent design, resulting in more homogeneous daylight in interior spaces compared to that with c-SI solar cells. DSSC benefits from low fabrication costs and environmentally friendly components [16]
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