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Environmentally stable and stretchable polymer electronics enabled by surface-tethered nanostructured molecular-level protection.
Zheng, Yu; Michalek, Lukas; Liu, Qianhe; Wu, Yilei; Kim, Hyunjun; Sayavong, Philaphon; Yu, Weilai; Zhong, Donglai; Zhao, Chuanzhen; Yu, Zhiao; Chiong, Jerika A; Gong, Huaxin; Ji, Xiaozhou; Liu, Deyu; Zhang, Song; Prine, Nathaniel; Zhang, Zhitao; Wang, Weichen; Tok, Jeffrey B-H; Gu, Xiaodan; Cui, Yi; Kang, Jiheong; Bao, Zhenan.
Afiliación
  • Zheng Y; Department of Chemical Engineering, Stanford University, Stanford, CA, USA.
  • Michalek L; Department of Chemistry, Stanford University, Stanford, CA, USA.
  • Liu Q; Department of Chemical Engineering, Stanford University, Stanford, CA, USA.
  • Wu Y; Department of Chemical Engineering, Stanford University, Stanford, CA, USA.
  • Kim H; Department of Chemical Engineering, Stanford University, Stanford, CA, USA.
  • Sayavong P; Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea.
  • Yu W; Department of Chemistry, Stanford University, Stanford, CA, USA.
  • Zhong D; Department of Materials Science and Engineering, Stanford University, Stanford, CA, USA.
  • Zhao C; Department of Chemical Engineering, Stanford University, Stanford, CA, USA.
  • Yu Z; Department of Chemical Engineering, Stanford University, Stanford, CA, USA.
  • Chiong JA; Department of Chemical Engineering, Stanford University, Stanford, CA, USA.
  • Gong H; Department of Chemical Engineering, Stanford University, Stanford, CA, USA.
  • Ji X; Department of Chemistry, Stanford University, Stanford, CA, USA.
  • Liu D; Department of Chemical Engineering, Stanford University, Stanford, CA, USA.
  • Zhang S; Department of Chemistry, Stanford University, Stanford, CA, USA.
  • Prine N; Department of Chemical Engineering, Stanford University, Stanford, CA, USA.
  • Zhang Z; Department of Chemical Engineering, Stanford University, Stanford, CA, USA.
  • Wang W; Department of Chemical Engineering, Stanford University, Stanford, CA, USA.
  • Tok JB; Department of Chemical Engineering, Stanford University, Stanford, CA, USA.
  • Gu X; School of Polymer Science and Engineering, The University of Southern Mississippi, Hattiesburg, MS, USA.
  • Cui Y; Department of Chemical Engineering, Stanford University, Stanford, CA, USA.
  • Kang J; Department of Chemical Engineering, Stanford University, Stanford, CA, USA.
  • Bao Z; Department of Materials Science and Engineering, Stanford University, Stanford, CA, USA.
Nat Nanotechnol ; 18(10): 1175-1184, 2023 Oct.
Article en En | MEDLINE | ID: mdl-37322142
ABSTRACT
Stretchable polymer semiconductors (PSCs) are essential for soft stretchable electronics. However, their environmental stability remains a longstanding concern. Here we report a surface-tethered stretchable molecular protecting layer to realize stretchable polymer electronics that are stable in direct contact with physiological fluids, containing water, ions and biofluids. This is achieved through the covalent functionalization of fluoroalkyl chains onto a stretchable PSC film surface to form densely packed nanostructures. The nanostructured fluorinated molecular protection layer (FMPL) improves the PSC operational stability over an extended period of 82 days and maintains its protection under mechanical deformation. We attribute the ability of FMPL to block water absorption and diffusion to its hydrophobicity and high fluorination surface density. The protection effect of the FMPL (~6 nm thickness) outperforms various micrometre-thick stretchable polymer encapsulants, leading to a stable PSC charge carrier mobility of ~1 cm2 V-1 s-1 in harsh environments such as in 85-90%-humidity air for 56 days or in water or artificial sweat for 42 days (as a benchmark, the unprotected PSC mobility degraded to 10-6 cm2 V-1 s-1 in the same period). The FMPL also improved the PSC stability against photo-oxidative degradation in air. Overall, we believe that our surface tethering of the nanostructured FMPL is a promising approach to achieve highly environmentally stable and stretchable polymer electronics.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Nat Nanotechnol Año: 2023 Tipo del documento: Article País de afiliación: Estados Unidos
Texto completo
Añadir a Mi BVS
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XML
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Nat Nanotechnol Año: 2023 Tipo del documento: Article País de afiliación: Estados Unidos