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Researchers in AMBER, the materials science research centre hosted in Trinity College Dublin, have fabricated printed transistors consisting entirely of 2-dimensional nanomaterials for the first time.

The discovery opens the path for industry, such as ICT and pharmaceutical, to cheaply print a host of electronic devices from solar cells to LEDs with applications from interactive smart food and drug labels to next-generation banknote security and e-passports

These 2D materials combine exciting electronic properties with the potential for low-cost production representing a breakthrough that could also unlock the potential for applications such as food and drugs packaging that displays a digital countdown to warn you of spoiling. The AMBER team’s findings have been published in the leading journal ‘Science’.

Prof Jonathan Coleman, an investigator in AMBER and Trinity’s School of Physics, said: “In the future, printed devices will be incorporated into even the most mundane objects such as labels, posters and packaging. Printed electronic circuitry – constructed from the devices we have created – will allow consumer products to gather, process, display and transmit information.”