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Kirigami‐Inspired Nanoconfined Polymer Conducting Nanosheets with 2000% Stretchability

Journal Article · · Advanced Materials
 [1];  [1];  [2];  [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) University at Buffalo The State University of New York Buffalo NY 14260 USA
  2. Department of Mechanical Engineering Temple University Philadelphia PA 19122 USA
Abstract

Stretchable conductors are essential components of wearable electronics. However, such materials typically sacrifice their electronic conductivity to achieve mechanical stretchability and elasticity. Here, the nanoconfinement and air/water interfacial assembly is explored to grow freestanding mechanical endurance conducting polymer nanosheets that can be stretched up to 2000% with simultaneously high electrical conductivity, inspired by kirigami. Such stretchable conductors show remarkable electronic and mechanical reversibility and reproducibility under more than 1000 cycle durability tests with 2000% deformability, which can be accurately predicted using finite element modeling. The conductivity of nanoconfined freestanding conductor nanosheets increases by three orders of magnitude from 2.2 × 10 −3 to 4.002 S cm −1 is shown, due to the charge‐transfer complex formation between polymer chain and halogen, while the electrical conductance of the stretchable kirigami nanosheets can be maintained over the entire strain regime. The nanoconfined polymer nanosheets can also act as a sensor capable of sensing the pressure with high durability and real‐time monitoring.

Sponsoring Organization:
USDOE
Grant/Contract Number:
SC0017928
OSTI ID:
1430742
Alternate ID(s):
OSTI ID: 1537373
Journal Information:
Advanced Materials, Journal Name: Advanced Materials Journal Issue: 20 Vol. 30; ISSN 0935-9648
Publisher:
Wiley Blackwell (John Wiley & Sons)Copyright Statement
Country of Publication:
Germany
Language:
English

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