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Scientists Make First ‘Invisible Solar Panels’ You Can Integrate Into Smartphones


A long time after the Paris Climate Agreement, nations have kept on enhancing on the mission to make a smooth exit from non-renewable energy and to change to renewable energy sources for electricity.

Korean Scientists from Incheon National University exhibits how they have made the first fully transparent solar cell. 

Driven by Professor Joondong Kim the new study boasts of their newly discovered innovative method, specifically in the cell’s heterojunction- the making of crystalline, thin films that are responsible for absorbing the light.

The study was published in the Journal of Power Sources.

his solar panel then converts the absorbed light into electricity. According to the study, it was through the combination of nickel oxide semiconductors and titanium dioxide that an effective and fully transparent solar cell has been made.

Titanium dioxide (TiO2), being an effective semiconductor is as of now right now being utilized in solar panel technology. In addition to the fact that it is powerful, but also non-toxic and environmentally friendly since it is an abundant element on Earth. Nickel oxide (NiO), on the other hand, is likewise a semiconductor with high optical transparency features. It is additionally made at low industrial temperatures. The blend of these two makes for an excellent discovery of a transparent solar panel that is environmentally friendly, and simple to utilize.

As per  ScieTechDaily, solar energy consistently had the highest hopes of making a reliable and sufficient energy source among other renewable sources for example wind, water, waves. This is also the reason behind why much research and development has been invested in solar energy. Throughout recent years, solar energy has been made more affordable and environmentally friendly, alongside its effective capacity to convert UV into electricity. Subsequently, more and more people have been switching to solar energy for different homes and establishments. Not only is it cost-effective, yet it is also a noble cause that contributes to a carbon-free future.

However, current solar cells have been limited in their integration to daily use due to their opaque qualities. Solar panels can only be seen in roofs, remote areas, and places that are hidden to the public eye. The recent study by the research team Journal of Power Sources in Korea has made a huge leap in making the first fully transparent cell. The idea is to be able to integrate it into windows, buildings, and even mobile phones in the future. With this, solar energy will be made more accessible for public use. Professor Joondong Kim from the Department of Electrical Engineering at Incheon National University has high hopes for their study. According to him, “The unique features of transparent photovoltaic cells could have various applications in human technology.” When this discovery progresses, we could have more applications for solar energy.

Although this was not the first discovery for transparent solar cells, Prof. Kim’s team was a pioneer for integrating this to solar energy panels. The study, being very promising could lead us to the very hopeful path for tomorrow’s new source of electricity.

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