As living standard increases, a lot of energy is being used to air-conditioned the building, to heat the water, to chill the food, and for other purposes mostly for the comfort of the people in the building. Though some of the purposes are well justified, energy demand causes fast depletion of natural resources, and thus better ways of harnessing energy from alternate and renewable sources are needed. It is also important to improve energy performance of the building, reduce energy [...]
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A PV cell converts photon energy to electrical energy in a safe, convenient, pollution-free manner. A PV cell provides photogeneration of charge carriers (electrons and holes) in a light-absorbing material. There are many types of PV cells including crystalline silicon PV cells, thin film PV cells, organic PV cells, optical-thermal PV cells, or the like. Separation of the charge carriers to conductive contacts or electrodes on the surface of the PV cell transmits the electrical energy. Since the energy output [...]