Transforming 3D-printed mesostructures into multimodal sensors with nanoscale conductive metal oxides

نویسندگان

چکیده

Additively manufactured (AM) three-dimensional (3D) mesostructures exhibit geometrically optimal mechanical, thermal, and optical properties that could drive future microrobotics, energy harvesting, biosensing technologies at the micrometer to millimeter scale. We present a strategy for transforming AM into 3D electronics by growing nanoscale conducting films on 3D-printed polymers. This highly generalizable method utilizes precision atomic layer deposition (ALD) of metal oxides ultrasmooth photopolymer lattices printed high-resolution microstereolithography. demonstrate control electronic transport tuning conformal growth ultrathin amorphous crystalline oxides. To understand scaling electrical properties, we apply graph theory compute network resistance precisely design mesostructures' conductivity. Finally, 3D-enhanced multimodal sensing chemical, mechanical stimuli, boosting sensitivity 100× over 2D enabling new class low-power, 3D-printable sensors.

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ژورنال

عنوان ژورنال: Cell reports physical science

سال: 2022

ISSN: ['2666-3864']

DOI: https://doi.org/10.1016/j.xcrp.2022.100786