ScienceInnovation of a device which produces electricity from shadows

Innovation of a device which produces electricity from shadows

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A team of scientist came up with an idea of using the contrast difference between light and dark to produce a current which can power small gadgets.

They have made shadow effect energy generators to produce power from the difference between bright spots and shadow areas.

A material scientist from the National University of Singapore, Swee ching tan accomplished this feat with his team.   He and his team have made a device called shadow effect energy generator by placing super-thin coated gold on silicon.

Basically, we use silicon in a solar cell to produce electricity. The whole idea of producing electricity from shadow was conceptualized from the solar cell mechanism.

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The idea behind this amazing concept

The theory behind the shadow effect generator is that the electron jumps from silicon to gold when part of the device is in shadow. Electrons start flowing from high voltage to low voltage creating a current which can power a small gadget.

Tan and his team have published this report in a journal named Energy and environmental science. Now Tan and his team have so far reached to provide power in small electronics like watch and sensor etc.

Tan believes that we can generate electricity from this device anywhere on earth. When most people think that shadows are useless Tan’s thinking is quite different.

The more the contrast between light and dark the more voltage difference will be there resulting in more current flow. Tan believes if this idea is properly nurtured then this can solve the energy issue to a certain extent globally.

Conclusion

Days are not far when these generators will be used to harness energy from the shadow of the skyscrapers. This technology has the potential to create impact globally as it is a form of clean energy and a source of renewable energy. Though it is a very start to this idea yet it can change the energy consumption behavior of people globally.

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