Figure 4. Fabrication steps for the hand-printed EL-device

From

Hello Future! Printed Electronics as a Hands-On Experiment for Science Teaching

Lena Halbrügge, Amitabh Banerji, Sven Rösler

World Journal of Chemical Education. 2021, 9(4), 104-110 doi:10.12691/wjce-9-4-2