From flexible, transparent, thin-film transistors to flexible screens

The cherished dream of many users - to have a rolled-up TV - is gradually becoming a reality. The first step in this direction has already been taken by Samsung, which offered its users a smartphone with a bendable, but still quite rigid screen.

Researchers at Argonne National Laboratory (USA) went much further. They managed to create thin-film, transparent transistors 10 atomic layers thick. For comparison, this is how much human nails grow every second.

This is what a thin film transistor looks like.

The main area of ​​application for thin film transistors is screens and displays. An indicator of the efficiency of their work is the so-called effect of the field carrier mobility, which characterizes the speed of electron movement through the material. Studies have shown that the mobility of electrons on new thin-film transistors is 100 times higher than that of existing models.

Their mechanical characteristics look no less worthy. As it turns out, most of the existing thin film transistors crack and collapse when bent, while the novelty remains intact. In addition, it does not lose its performance in the widest temperature range.

To obtain a transistor of such a microscopic thickness, a technology was used previously developed by scientists at the University of Manchester, awarded the Nobel Prize in physics. It is extremely simple: a strip of ordinary scotch tape is glued to a sheet of tungsten diselenide, after which the cherished one atom thick layer remains on it.

Now, how will it work. Imagine your bedroom window, which, after pressing a button on the remote, turns into a TV or home theater screen. Isn't it impressive?