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Title: Kinetically controlled metal-elastomer nanophases for environmentally resilient stretchable electronics

Journal Article · · Nature Communications
 [1]; ORCiD logo [2]; ORCiD logo [3];  [4];  [5];  [5];  [6];  [6]; ORCiD logo [7];  [8];  [9]; ORCiD logo [3]; ORCiD logo [6];  [10]; ORCiD logo [11]; ORCiD logo [8];  [4]
  1. Leibniz Inst. of Polymer Research (IPF), Dresden (Germany); Korea University of Technology and Education, Cheonan (Korea, Republic of)
  2. Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
  3. Technische Universität Dresden (Germany)
  4. Gachon University, Seong-nam (Korea, Republic of)
  5. Leibniz Inst. of Polymer Research (IPF), Dresden (Germany)
  6. Helmholtz-Zentrum Dresden-Rossendorf, Dresden (Germany). Institute of Ion Beam Physics and Materials Research
  7. Helmholtz-Zentrum Dresden-Rossendorf, Dresden (Germany). Institute of Ion Beam Physics and Materials Research; Kyiv Academic University (Ukraine)
  8. Kyung Hee Univ., Yongin (Korea, Republic of)
  9. Leibniz Inst. for Solid State and Materials Research (IFW), Dresden (Germany)
  10. Korea Univ., Seoul, (Korea, Republic of)
  11. Leibniz Inst. of Polymer Research (IPF), Dresden (Germany); Technische Universität Dresden (Germany)

Nanophase mixtures, leveraging the complementary strengths of each component, are vital for composites to overcome limitations posed by single elemental materials. Among these, metal-elastomer nanophases are particularly important, holding various practical applications for stretchable electronics. However, the methodology and understanding of nanophase mixing metals and elastomers are limited due to difficulties in blending caused by thermodynamic incompatibility. Here, we present a controlled method using kinetics to mix metal atoms with elastomeric chains on the nanoscale. We find that the chain migration flux and metal deposition rate are key factors, allowing the formation of reticular nanophases when kinetically in-phase. Moreover, we observe spontaneous structural evolution, resulting in gyrified structures akin to the human brain. The hybridized gyrified reticular nanophases exhibit strain-invariant metallic electrical conductivity up to 156% areal strain, unparalleled durability in organic solvents and aqueous environments with pH 2–13, and high mechanical robustness, a prerequisite for environmentally resilient devices.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
German Research Foundation (DFG); Korea Evaluation Institute of Industrial Technology (KEIT); National Research Foundation of Korea (NRF); USDOE Laboratory Directed Research and Development (LDRD) Program; USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC52-07NA27344
OSTI ID:
2426713
Report Number(s):
LLNL--JRNL-845946; 1069148
Journal Information:
Nature Communications, Journal Name: Nature Communications Journal Issue: 1 Vol. 15; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English

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