Our dynamic world is advancing at a fast pace, and with rapid technological development, a better lifestyle is promised to the expanding populace. But to provide a better lifestyle, the basic necessities have to be met, one of which is energy. Energy consumption will increase manifold in the coming years with the ever rising population. But how do we suffice this need when the concern over depleting environment is a priority? The answer an alternative to fossil fuels for energy production and use of energy efficient devices. Quantum dots is an emerging technology which is the product of high vacuum growth reactors. With the use of this reactor, atom’s layers are deposited in a precise sequence. The atoms used in this process results in the formation of quantum dots.