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Mechanically-Guided Structural Designs in Stretchable Inorganic Electronics.

Zhaoguo Xue1, Honglie Song1, John A Rogers2

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Advanced Materials (Deerfield Beach, Fla.)
|July 27, 2019
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Stretchable inorganic electronics utilize unique structural designs for extreme mechanical deformations, enabling new bio-integrated applications. This review summarizes key designs, principles, and future opportunities in this rapidly advancing field.

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inorganic electronicsmechanical designsoft electronicsstretchable electronicsstructural designs

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Area of Science:

  • Materials Science
  • Electronics Engineering
  • Bio-integrated Systems

Background:

  • Stretchable inorganic electronics have rapidly advanced over the last decade.
  • Key characteristics include low modulus mechanics and high stretchability.
  • Applications are particularly impactful in bio-integrated systems.

Purpose of the Study:

  • To summarize diverse structural geometries for stretchable inorganic electronics.
  • To focus on fundamental principles, design approaches, and system demonstrations.
  • To highlight strategies for spatial integration of 3D stretchable device layouts.

Main Methods:

  • Review of existing studies on structural material designs.
  • Analysis of 2D/3D geometric configurations of inorganic components on soft substrates.
  • Examination of functional device and soft substrate designs.

Main Results:

  • Diverse structural geometries have been developed for stretchable inorganic electronics.
  • Integration of hard inorganic components onto soft substrates is a common strategy.
  • Strategies for 3D stretchable device layouts are presented.

Conclusions:

  • The field offers unprecedented applications, especially in bio-integrated systems.
  • Continued research into structural designs is crucial for advancing stretchable electronics.
  • Open opportunities and remaining challenges are identified for future development.