US researchers are the first to fully 3D-print a ‘bionic eye’
Phoebe Harkin |
In the quest to beat blindness, a team at the University of Minnesota, USA, has successfully 3D-printed a “bionic eye” (1). The hemispherical photodetector array is made of five material layers, and can be 3D-printed in an hour under ambient conditions. “The organic photodetectors are the active layer, and translate optical information into electric readout through excitation from external light,” explains Ruitao Su, one of the researchers working on the project.
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