WASTE HEAT TO USEFUL ENERGY-QUANTUM TUNNELLING

With the help of quantum tunneling method now we can convert waste heats into useful energy.


Hello Friends, today I came to a new technical news for you.This time news is related to energy.We all know that there is a huge amount of heat present everywhere around us.It will be coming from your body, from your device and from the sun also.But due to insufficient technology, we are unable to capture and harness its power.



After hard work, a team of King Abdullah University of Science & Technology (KAUST), Saudi Arabia has gotten the closest solution related to this.They're using a complex technology called Quantum Tunneling to do it.

The big obstacle in this process of using waste heat as energy is that it requires a very, very small antenna so that it can capture small waves like infrared heat waves.

But if you manage to make an antenna small enough, then there's another problem arise with harnessing heat for energy.We all know that infrared waves are so small and oscillate too fast for our average semiconductor to keep running.That's why KAUST researchers turned to the quantum tunnelling.

Quantum Tunnelling works on a principle of quantum mechanics, according to which 'tiny particles like electrons don't have just one location or velocity-instead, they're just fuzzy swarms of probabilities.'

It happens most efficiently when there's a barrier separating two conducting materials.The KAUST researchers developed a metal-insulator-metal(MIM) diode by putting an insulating obstacle of aluminium oxide between a conducting layer of gold on one side and titanium on other.To guide the energy to the barrier, the KAUST researchers developed a bowtie-shaped nanoantenna that surrounded the barrier between two slightly overlapped metallic arms.

The KAUST team tested their device by shooting it with an infrared laser.This test produced voltage successfully, not a ton of it but enough to prove this theory in existence.So, it provides us relief that in future it will be possible to harness energy from waste heat in enough amount.

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Scien-Tech News: WASTE HEAT TO USEFUL ENERGY-QUANTUM TUNNELLING
WASTE HEAT TO USEFUL ENERGY-QUANTUM TUNNELLING
With the help of quantum tunneling method now we can convert waste heats into useful energy.
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