Organic Photovoltaics on Greenhouse Rooftops: Effects on Plant Growth

Zisis, C.; Pechlivani, Eleftheria Maria; Tsimikli, S.; Mekeridis, E.; Laskarakis, A.; Logothetidis, S.

doi:10.1016/j.matpr.2019.07.658

Cited by 47 publications

(32 citation statements)

References 14 publications

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“…It was observed that the production of pepper plants was significantly developed under the shade of OPVs, and the height of "OPV-shaded" pepper plants was 21.8% larger than the unshaded pepper plants at the end of the growing period. Besides, the study also revealed that without the demand for additional shading systems, the integration of OPVs on the roof of Mediterranean greenhouses will provide the optimum temperature and light conditions for plants growth (Zisis et al, 2019). Peretz et al investigated that in the wavelength range 390-1100nm, the transmittances of two types of OPV modules were equivalent to 27.1% (72.9% shading) and 20.9% (79.1% shading) respectively, hence it means that partial coverage of a greenhouse by OPV modules can reduce the transmittance of excess solar energy and then reduce the heat stress on the crops instead of using the shading screens ( Peretz et al, 2019).…”

Section: Recent Studies Related To Opv Application As Greenhouse Shadmentioning

confidence: 94%

“…Nowadays, many studies have focused on the OPV applications however there are only a few papers to study on using OPV modules as greenhouse roof shading materials. Even though silicon-based PVs are usually used for integrating on the rooftops of greenhouses due to high efficiency, they are still facing significant defects as greenhouse rooftop materials (i) high weight (ii) rigid, brittle and bulky (iii) reduced efficiency at high temperatures (iv) inhibit photosynthesis and plant growth because of opacity (Zisis et al, 2019). However, OPV has not only above-mentioned advantages, but also (i) low manufacturing cost due to roll-to-roll printing processes (ii) semi-transparent etc.…”

Section: Introductionmentioning

confidence: 99%

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Application of organic photovoltaic materials (OPV) as greenhouse roof structures: A review

2020

JAFE

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Organic Photovoltaic (OPV), as a third-generation PV technology, is becoming an appropriate substance used for greenhouse roofing structures. Semi-transparent OPV has a variety of merits such as low weight, flexibility, low environment impact and short energy payback time. Besides, it can harness larger amounts of sunlight as means of a very strong light absorbent material. This study shares some of the latest research which examines the feasibility of using semi-transparent, flexible organic photovoltaic (OPV) modules as greenhouse shading material. By using such modules, it may be possible to utilize the existing greenhouse-based agricultural areas for electricity production. The concept projects OPV modules to shade greenhouses and reduces excess solar energy which may result in reducing internal surrounding heat thus helps to mitigate the control environment. This will furthermore control plant heat stress which is one of the most important factors for plant growth. Some conclusion on the quality and quantity of plants with respect to the energy consumption in the greenhouse are also discussed.

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Section: Recent Studies Related To Opv Application As Greenhouse Shadmentioning

confidence: 94%

Section: Introductionmentioning

confidence: 99%

Application of organic photovoltaic materials (OPV) as greenhouse roof structures: A review

2020

JAFE

View full text Add to dashboard Cite

show abstract

“…According to their findings, semi-transparent OPV modules based on the P3HT: PCBM photoactive layer with transparency of up to 19.4% in the Photosynthetically Active Radiation (PAR) region are suitable for utilizing a given land area for both agriculture and energy generation [69]. Specifically, the OPV shading effect on plant growth is found to be beneficial for pepper plant cultivation [70]. When the absorption range of such active layer nanomaterials is properly aligned with that of the plants, the scenario shifts from competition to synergism, as part of the energy provided by the photovoltaic system can be used to better control humidity and temperature levels inside greenhouses and polytunnels.…”

Section: Organic Photovoltaics Spearheading Sustainable Agricultural Processesmentioning

confidence: 99%

Organic Nanostructured Materials for Sustainable Application in Next Generation Solar Cells

et al. 2021

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Meeting our current energy demands requires a reliable and efficient renewable energy source that will bring balance between power generation and energy consumption. Organic photovoltaic cells (OPVs), perovskite solar cells and dye-sensitized solar cells (DSSCs) are among the next-generation technologies that are progressing as potential sustainable renewable energy sources. Since the discoveries of highly conductive organic charge-transfer compounds in the 1950s, organic semiconductors have captured attention. Organic photovoltaic solar cells possess key characteristics ideal for emerging next-generation technologies such as being nontoxic, abundant, an inexpensive nanomaterial with ease of production, including production under ambient conditions. In this review article, we discuss recent methods developed towards improving the stability and average efficiency of nanostructured materials in OPVs aimed at sustainable agriculture and improve land-use efficiency. A comprehensive overview on developing cost-effective and user-friendly organic solar cells to contribute towards improved environmental stability is provided. We also summarize recent advances in the synthetic methods used to produce nanostructured active absorber layers of OPVs with improved efficiencies to supply the energy required towards ending poverty and protecting the planet.

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“…Cossu et al (2020) mentioned that covering the greenhouse structures by 25% with a PV panel were compatible with the cultivation of tomato, cucumber, and sweet pepper with a limited yield reduction of less than 25%. Recently, a number of studies have been conducted on the integration of organic photovoltaics and greenhouses (Friman-Peretz et al, 2020;La Notte et al, 2020;Magadley et al, 2020;Zisis et al, 2019). These studies reported that the organic photovoltaics OPV modules can generate electric energy and act as shading elements without any damage to the plants.…”

Section: Introductionmentioning

confidence: 99%

Effect of photovoltaics shading on the growth of chili pepper in controlled greenhouses

Hassanien

Ibrahim²,

Ghaly³

et al. 2022

Heliyon

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The integration of photovoltaic into a greenhouse has been implemented to maximize the energy output and crop production yield from the same land space. The effect of greenhouse external shading of opaque crystalline silicon photovoltaic (PV) panels at 13-26% of the roof area on the microclimate and growth of Chili pepper Capsicum annuum cv. (omega) was investigated. The PV panels were divided into two arrays (each of 4 PVs) and fixed separately on two external pillars of 4 m height in the Southeast and Northwest directions, respectively. Each array of 4 PVs could be tracked from the East-West direction to North-South. There were two greenhouses, one was used as control without shading and the other had the external shading. The results revealed that the external shading of PV slightly decreased air temperatures (1-2 C) and light intensities (25-40%) but had no effect on the dew point temperatures and relative humidity as compared to the control (unshaded greenhouse). Furthermore, the yield and growth of Chili pepper in the shaded greenhouse was insignificantly higher than that in the unshaded greenhouse. Moreover, the simulation results revealed that the estimated electric energy of photovoltaic panels was 3705 kWh/year at a tilt angle of 25 facing South.

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Organic Photovoltaics on Greenhouse Rooftops: Effects on Plant Growth

Cited by 47 publications

References 14 publications

Application of organic photovoltaic materials (OPV) as greenhouse roof structures: A review

Application of organic photovoltaic materials (OPV) as greenhouse roof structures: A review

Organic Nanostructured Materials for Sustainable Application in Next Generation Solar Cells

Effect of photovoltaics shading on the growth of chili pepper in controlled greenhouses

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