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. 2020 Mar 6;6(10):eaaz1692. doi: 10.1126/sciadv.aaz1692

Fig. 1. Fabrication of on-chip UHD SS–MSCs via EHD jet printing.

Fig. 1

(A) Schematic representation depicting stepwise fabrication of the on-chip UHD SS–MSC. (B) Photograph of the SS–MSC on a human finger. (C) Optical microscopy image of the interdigitated electrodes (feature size = 10 μm) on the Ti/Au current collector. (D) Cross-sectional SEM image of the electrode/solid-state gel electrolyte assembly formed on the SiO2/Si chip. (E) Conceptual illustration of the on-chip UHD SS–MSC monolithically integrated with the circuit board of an electronic device. Photo credit: (B) Kwon-Hyung Lee, Ulsan National Institute of Science and Technology.