One of the dominant challenges facing any electronics manufacturer is successfully securing several layers of components on top of each other, which is crucial to making complex devices. Putting layers on top of each other is not as easy as putting them down on their own -- but that's what you have to do if you want to build electronic devices with printing. gov/climateleadership/sector-spotlight-electronics]"The performance of our thin-film transistors doesn't match the best currently being manufactured, but they're competitive enough to show the research community that we should all be doing more work to make these processes more environmentally friendly," Franklin said