HORTICULTURE SCIENCE
APPLICATION OF NANO TECHNOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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they are toxic to the body
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they can improve the efficiency of photovoltaics by increasing the usable wavelength range
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they are made from materials that are abundant
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none of these
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Detailed explanation-1: -Quantum dots have the potential to dramatically increase the efficiency of converting sunlight into energy-perhaps even doubling it in some devices-because of their ability to generate more than one bound electron-hole pair, or exciton, per incoming photon.
Detailed explanation-2: -Quantum dots can be used in light fusion (or photochemical upconversion), where ‘wasted’ light is upconverted into current for a solar cell.
Detailed explanation-3: -Concentration PV, also known as CPV, focuses sunlight onto a solar cell by using a mirror or lens. By focusing sunlight onto a small area, less PV material is required. PV materials become more efficient as the light becomes more concentrated, so the highest overall efficiencies are obtained with CPV cells and modules.
Detailed explanation-4: -Buy one of the more efficient solar panel models. Buy panels with High Concentrated Photovoltaic (CPV) Cells. Avoid installing solar panels in shaded areas. Get an expert to install your solar panels. Clean your solar panels. More items