Sun Light Spectrum Separation for Agriculture & Photovoltaic

Organization: Institute of Advanced Technology (IAT)
Co-Developer(s): Optoelectroic Science and Technology Laboratory, University of Science and Technology of China (USTC)
Year: 2017

The Sun Light Spectrum Separation for Agriculture & Photovoltaicis is based on solar energy generation using reflective concentration photovoltaic with simultaneous selective transmission of wavelengths necessary for photosynthesis and plant growth. The core idea of this innovation is to combine solar-based electricity generation and agricultural utilization on the same farmland. The Sun Light Spectrum Separation for Agriculture & Photovoltaicis leverages dichroitic polymer films to separate the sun light to be utilized for efficient plant growth and efficient solar power generation. A pre-determined split ratio of the sun light can be established based on the individual crop requirements. During winter, the generated electricity can be additionally used to supply light to the plants via red and blue LED. During the summer, when sunlight is vastly available, the split-ratio could be such, that the sunlight can majorly be used to generate electricity, while there is no negative effect on the plant growth. By blocking near infrared radiation and far infrared radiation, this system also reduces the water evaporation in the farmland, which provides another critical advantage for many countries, including China and Israel.


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