Inkjet-Printed Graphene Electronics
Flexible electronics is a rapidly expanding research area. Applications include touch screens, electronic paper (e-paper), sensors, radio frequency tags, photovoltaic cells, light-emitting diodes, and electronic textiles.
To date it mainly relies on two fabrication strategies: one in which substrates bearing field-effect transistors (FETs) are bonded to plastic by transfer printing, or pick-and-place methods, another in which FETs are prepared directly on the target substrate by several coating, curing, and lithographic steps. Rubber stamping, embossing, and inkjet printing reduce the number of such fabrication steps.