DataVXACS NanoPaper
journal article·2023-08-08

Micropatterned Elastomeric Composites for Encapsulation of Transient Electronics

Won Bae Han, Gwan-Jin Ko, Seung Min Yang, Heeseok Kang, Joong Hoon Lee, Jeong-Woong Shin, Tae-Min Jang, Sungkeun Han, Dong-Je Kim, Jun Hyeon Lim, Kaveti Rajaram, Amay Jairaj Bandodkar, Suk-Won Hwang

ACS Nano· Volume 17· Issue 15
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Source abstract

Abstract

Although biodegradable, transient electronic devices must dissolve or decompose via environmental factors, an effective waterproofing or encapsulation system is essential for reliable, durable operation for a desired period of time. Existing protection approaches use multiple or alternate layers of electrically inactive organic/inorganic elements combined with polymers; however, their high mechanical stiffness is not suitable for soft, time-dynamic biological tissues/skins/organs. Here, we introduce a stretchable, bioresorbable encapsulant using nanoparticle-incorporated elastomeric composites with modifications of surface morphology. Nature-inspired micropatterns reduce the diffusion area for water molecules, and embedded nanoparticles impede water permeation, which synergistically enhances the water-barrier performance. Empirical and theoretical evaluations validate the encapsulation mechanisms under strains. Demonstration of a soft, degradable shield with an optical component under a biological solution highlights the potential applicability of the proposed encapsulation strategy.
Source: openalex_inverted_index · Quality: baseline

Research context

PolymersNanomaterialsComposites

OpenAlex topics: Advanced Sensor and Energy Harvesting Materials · Electrospun Nanofibers in Biomedical Applications · Tactile and Sensory Interactions

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

KU-KIST Graduate School of Converging Science and Technology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea

Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, North Carolina 27606, United States

Center for Advanced Self-Powered Systems of Integrated Sensors and Technologies (ASSIST), North Carolina State University, Raleigh, North Carolina 27606, United States

Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), 5 Hwarang-ro 14-gil, Seongbuk-gu, Seoul, 02792, Republic of Korea

Department of Integrative Energy Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea

Funding

KU-KIST Graduate School of Converging Science and Technology · National Research Foundation of Korea · Institute for Information and Communications Technology Promotion · Korea Medical Device Development Fund · Korea University

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