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"ACS Nano" Category Publications:

Title Authors PubMed ID
1 Self-Healable Reprocessable Triboelectric Nanogenerators Fabricated with Vitrimeric Poly(hindered Urea) Networks. Patel T, Kim MP, Park J, Lee TH, Nellepalli P, Noh SM, Jung HW, Ko H, Oh JK 32840992
CHEMBIOCHEM
2 Wavelength-Selective Nonlinear Imaging and Photo-Induced Cell Damage by Dielectric Harmonic Nanoparticles. Kilin V, Campargue G, Fureraj I, Sakong S, Sabri T, Riporto F, Vieren A, Mugnier Y, Mas C, Staedler D, Collins JM, Bonacina L, Vogel A, Capobianco JA, Wolf JP 32282184
CNSR
3 Multifunctional Self-Assembled Supernanoparticles for Deep-Tissue Bimodal Imaging and Amplified Dual-Mode Heating Treatment. Yang F, Skripka A, Tabatabaei MS, Hong SH, Ren F, Benayas A, Oh JK, Martel S, Liu X, Vetrone F, Ma D 30604607
CHEMBIOCHEM

 

Title:Self-Healable Reprocessable Triboelectric Nanogenerators Fabricated with Vitrimeric Poly(hindered Urea) Networks.
Authors:Patel T,  Kim MP,  Park J,  Lee TH,  Nellepalli P,  Noh SM,  Jung HW,  Ko H,  Oh JK
Link:https://www.ncbi.nlm.nih.gov/pubmed/32840992
DOI:10.1021/acsnano.0c03819
Publication:ACS nano
Keywords:dynamic bulky urea chemistry;  interfacial polarization;  poly(hindered urea);  reprocessability;  self-healing;  triboelectric device; 
PMID:32840992 Category:ACS Nano Date Added:2020-09-02
Dept Affiliation: CHEMBIOCHEM
1 Department of Chemistry and Biochemistry, Concordia University, Montreal, Quebec Canada H4B 1R6.
2 School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea.
3 Department of Chemical and Biological Engineering, Korea University, Seoul 02841, Republic of Korea.
4 Research Center for Advanced Specialty Chemicals, Korea Research Institute of Chemical Technology (KRICT), Ulsan 44412, Republic of Korea.

Description:

Self-Healable Reprocessable Triboelectric Nanogenerators Fabricated with Vitrimeric Poly(hindered Urea) Networks.

ACS Nano. 2020 Sep 01; :

Authors: Patel T, Kim MP, Park J, Lee TH, Nellepalli P, Noh SM, Jung HW, Ko H, Oh JK

Abstract

In recent years, the advent of highly deformable and healable electronics is exciting and promising for next-generation electronic devices. In particular, self-healable triboelectric nanogenerators (SH-TENGs) serve as promising candidates based on the combination of the triboelectric effect, electrostatic induction, and self-healing action. However, the majority of SH-TENGs have been devised with weak polymeric networks that are healed with reversible supramolecular interactions or disulfides, thus resulting in poor mechanical properties and low resistance to creeping. To address this issue, we demonstrate the integration of mechanically strong and self-healable poly(hindered urea) (PHU) network in the fabrication of effective TENGs. The designed PHU network is flexible but shows greater mechanical property of tensile strength as high as 1.7 MPa at break. The network is capable of self-healing quickly and repeatedly as well as being reprocessable under mild conditions, enabling the recovery of triboelectric performances after the complete healing of the damaged surfaces. Furthermore, the interfacial-polarization-induced enhancement of dielectric constant endows our SH-TENG with the highest triboelectric output performance (169.9 V/cm2) among the reported healable TENGs. This work presents an avenue to the development of mechanical energy-harvesting devices and self-powered sensors with excellent stretchability, high recoverability, and good mechanical strength.

PMID: 32840992 [PubMed - as supplied by publisher]




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