Design of Highly Conductive, Intrinsically Stretchable, and 3D Printable PEDOT:PSS Hydrogels via PSS-Chain Engineering for Bioelectronics

Chemistry of Materials, Journal Year: 2023, Volume and Issue: 35(15), P. 5936 - 5944

Published: July 25, 2023

Poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS)-based hydrogels have emerged as ideal interfacing materials for bioelectronics because of their intriguing electrical, mechanical, and biological properties. However, the development high-performance PEDOT:PSS-based simultaneously achieving high conductivity, robust mechanical properties, accessibility advanced manufacturing technologies remains a critical challenge further advancing such toward practical applications. Herein, we develop highly conductive, intrinsically soft, tough yet stretchable hydrogel via simple PSS-chain engineering strategy introducing thermally cross-linkable N-(hydroxymethyl)acrylamide segments. The resultant PEDOT:PSS exhibits electrical conductivity (1850 S m–1), stretchability (>50%), low Young's modulus (4 MPa), superior toughness (400 kJ m–3), satisfying multiple property requirements bioelectronic Based on this material, novel ink with 3D printability direct writing printing, enabling us to facilely fabricate devices like soft skin electrodes comparable commercial products multi-material printing.

Language: Английский

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Implantable Triboelectric Nanogenerators for Self‐Powered Cardiovascular Healthcare

Small, Journal Year: 2023, Volume and Issue: 19(51)

Published: Feb. 9, 2023

Abstract Triboelectric nanogenerators (TENGs) have gained significant traction in recent years the bioengineering community. With potential for expansive applications biomedical use, many individuals and research groups furthered their studies on topic, order to gain an understanding of how TENGs can contribute healthcare. More specifically, there been a number focusing implantable triboelectric (I‐TENGs) toward self‐powered cardiac systems In this review, progression cardiovascular healthcare, including monitoring devices, therapeutic power sources pacemakers, will be systematically reviewed. Long‐term expectations these TENG devices through biocompatibility other utilization strategies also discussed.

Language: Английский

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Conductive hydrogels for bioenergy harvesting and self-powered application

Progress in Materials Science, Journal Year: 2023, Volume and Issue: 138, P. 101156 - 101156

Published: June 23, 2023

Language: Английский

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N-type semiconducting hydrogel

Science, Journal Year: 2024, Volume and Issue: 384(6695), P. 557 - 563

Published: May 2, 2024

Hydrogels are an attractive category of biointerfacing materials with adjustable mechanical properties, diverse biochemical functions, and good ionic conductivity. Despite these advantages, their application in electronics has been restricted because lack semiconducting they have traditionally only served as insulators or conductors. We developed single- multiple-network hydrogels based on a water-soluble n-type polymer, endowing conventional capabilities. These show electron mobilities high on/off ratios, enabling the fabrication complementary logic circuits signal amplifiers low power consumption gains. demonstrate that hydrogel bioadhesive biocompatible interface can sense amplify electrophysiological signals enhanced signal-to-noise ratios.

Language: Английский

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Injectable ultrasonic sensor for wireless monitoring of intracranial signals

Nature, Journal Year: 2024, Volume and Issue: 630(8015), P. 84 - 90

Published: June 5, 2024

Language: Английский

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