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Chemical tweaks
The new material is an organic polymer, a class of substances that are used to make everything from bin bags to solar panels. They are also used in some electronic devices already.
In 2004, electronics giant Philips announced production of a flexible display using organic polymers, while other companies such as Cambridge Display Technology use them to manufacture organic light-emitting diodes (LEDs).
However, the performance of the plastics has always made them second choice for more mainstream applications. The new semi-conducting polythiophene could change all that. It has been tweaked by chemists to alter its molecular structure, meaning it is more efficient at carrying an electrical current and can also be dissolved in a solution to produce an ink.