Zinc oxide nanomaterial shows promise as spray-on electronic component

An international team of scientists is developing a zinc oxide nanomaterial that could become a spray-on electronic component for ultra-thin, lightweight and bendable displays and devices.

An ultra-thin coating of zinc oxide nanocrystals can be sprayed onto flexible substrates, such as plastic, that are resilient to flexing and bending
An ultra-thin coating of zinc oxide nanocrystals can be sprayed onto flexible substrates, such as plastic, that are resilient to flexing and bending - RMIT University

The material could be incorporated into many components of future technologies including mobile phones and computers, thanks to its versatility and recent advances in nanotechnology, the team said.

Associate Professor Enrico Della Gaspera and Dr Joel van Embden from RMIT University in Australia led a team to review production strategies, capabilities and potential applications of zinc oxide nanocrystals in the journal Chemical Reviews.

Professor Silvia Gross from the University of Padova in Italy and Associate Professor Kevin Kittilstved from the University of Massachusetts Amherst in the United States are co-authors.

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“Tiny and versatile particles of zinc oxide can now be prepared with exceptional control of their size, shape and chemical composition at the nanoscale,” Dr van Embden said in a statement. “This all leads to precise control of the resulting properties for countless applications in optics, electronics, energy, sensing technologies and even microbial decontamination.”

The zinc oxide nanocrystals can be formulated into ink and deposited as an ultra-thin coating.

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