We all have a heart when we see our smartphone fall to the ground and break the screen. However, in the future this situation will most likely not happen again.
Scientists from the University of Sussex have found a way to combine silver nanowires with graphene to create a new generation of screens that are cheaper, harder and more durable than the screens available on the market.
According to TheNextWeb, the current phone screens are made of Indium Tin Oxide (ITO) – a kind of transparent and superconducting screen that controls the pixels displayed on touch screens. Although widely used on thousands of devices, one problem of ITO is that it is extremely fragile. The second problem is that ITO is made from Indium – an extremely rare and extremely expensive mineral, which to exploit it is a problem because of its ability to influence the environment quite large.
The current phone screen is made up of Indium Tin Oxide.
One of the alternative ITO materials is silver – the largest conductive element on the planet. It has been discovered that a screen coated with ultra-small silver nanowires will be much more efficient than the ITO curtain layer in terms of signaling and electrical conductivity, while also consuming less power and heat. emitted during lower operation, and extremely high compatibility with current devices.
Of course, like Indium, silver is expensive and rare; therefore, despite its superior characteristics, silver is certainly not an ideal choice for the future.
Recently, a study was conducted at the University of Sussex (UK), in which scientists combined nano-silver molecules with graphene to create a screen that has superior performance compared to ITO, and The price is much cheaper than the pure silver curtain.
Graphene enhances electrical conductivity, making devices more responsive while consuming less electricity.
Graphene is a two-dimensional crystal formed from natural graphite, which is a relatively abundant natural resource, leading to the advantage of low cost. Graphene will serve as a bridge in the silver nanowire network, meaning that only a small amount of silver will be combined with graphene to produce a screen with much better performance than conventional nano-silver screens. . In addition, graphene also works to enhance electrical conductivity, making devices more responsive while consuming less electricity.
Professor Dalton from the University of Sussex said: “Silver nanowires have been used in touch screen manufacturing, but no one has tried to combine them with graphene. In this study, we release graphene molecules. Go to the water and pick them up with a rubber stamp, placing them on the surface of the nano-silver screen in any way we like. “
In the near future, we will be able to own cheaper phone and tablet screens.
The remarkable point of this technology is that it can easily be “expanded”. Professor Dalton explained that, by using a sprayer and roller machine, silver nanotubes and graphene can be combined on a large scale, helping create larger layers of screen that can be placed on phones or tablets. This curtain with the properties of the crystal, which is very hard and durable, will put the current screen into history!
With this amazing technology, in the near future, we will be able to own cheaper, more durable and more environmentally friendly phone and tablet screens.