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Kirigami‐Inspired Stretchable Conjugated Electronics

Journal Article · · Advanced Electronic Materials
 [1];  [2];  [3];  [1];  [1];  [3];  [2];  [1]
  1. Department of Mechanical and Aerospace Engineering University at Buffalo The State University of New York Buffalo NY 14260 USA, Research and Education in eNergy Environment and Water (RENEW) Institute University at Buffalo The State University of New York Buffalo NY 14260 USA
  2. Department of Chemistry Temple University Philadelphia PA 19122 USA
  3. Mechanical Engineering Department Temple University Philadelphia PA 19122 USA
Abstract

π‐Conjugated polymers have drawn broad interest in flexible electronics due to their solution processability, light weight, and a combination of conducting and light‐emitting properties. However, achieving mechanical endurance and stretchability in freestanding conjugated polymers is still difficult. Surface‐assembly‐induced light‐emitting polymer nanosheets with prodigious mechanical strength and charge transport are reported. Transferring freestanding polymer films onto various templates with conformal contact results in electrical and optical strain sensors with a gauge factor of ≈29. Subsequent geometric engineering into kirigami structures of the polymer sheets further extends the strain accommodations 20‐fold without compromising electric conductivity or fluorescence properties. These as‐prepared semiconducting polymers represent a possible new material for emerging stretchable electronics.

Sponsoring Organization:
USDOE
Grant/Contract Number:
SC0010307
OSTI ID:
1570858
Alternate ID(s):
OSTI ID: 1802082
Journal Information:
Advanced Electronic Materials, Journal Name: Advanced Electronic Materials Journal Issue: 1 Vol. 6; ISSN 2199-160X
Publisher:
Wiley Blackwell (John Wiley & Sons)Copyright Statement
Country of Publication:
United States
Language:
English

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