Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 14, Issue 51, Pages 57290-57298Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.2c18761
Keywords
stretchable conductor; stretchable electronics; silver nanowires; conductive nanocomposite; flexible electronics
Funding
- Key Research and Development Program of Jiangsu Provincial Department of Science and Technology of China [BE2019002]
- High-Level Entrepreneurial and Innovative Talents Program of Jiangsu Province
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This study reports a simple coating process to create Ag NW nanocomposites on various flexible/stretchable substrates, which exhibit excellent conductivity and high deformability. The patterned features of conductive nanocomposites can be conveniently accessed using shadow masks or selective laser ablation.
The silver nanowire (Ag NW)/elastomer nanocomposite represents a prototypical form of a compliant conductor for flexible and stretchable electronic devices. The widespread implementations are currently hindered by the complicated procedures to effectively disperse Ag NWs into elastomer matrices. In this study, we report a facile and scalable coating process to create Ag NW nanocomposites on various flexible/stretchable substrates. As-synthesized Ag NWs from the high-yield polyol-reduction approach are homogeneously dispersed into a variety of dilute elastomer solutions, thereby enabling direct spray deposition into highly compliant conductors. The as-prepared nanocomposite exhibits excellent conductivity (similar to 11,000 S/cm) and high deformability to 100% strain. The stable electrical properties are largely retained under repetitive mechanical manipulations including stretching, bending, and folding. The patterned features of conductive nanocomposites are conveniently accessed using shadow masks or selective laser ablation. The practical suitability is demonstrated by the successful implementations of a stretchable sensing patch and a flexible light-emitting diode display.
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