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Freestanding “core-shell” AgNWs/metallic hybrid mesh electrodes for a highly efficient transparent electromagnetic interference shielding film
Author(s) -
Zhouying Jiang,
Shiqing Zhao,
Linsen Chen,
Yanhua Liu
Publication year - 2021
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.423369
Subject(s) - materials science , electromagnetic shielding , emi , electromagnetic interference , electrode , optoelectronics , optics , composite material , telecommunications , computer science , chemistry , physics
We fabricated the freestanding "core-shell" AgNWs/ Ni mesh electrodes by employing AgNWs solution onto the freestanding Ni-mesh. The combination of AgNWs and Ni mesh resulted in higher electrical conductivity, thereby enhancing the electromagnetic interference (EMI) shielding effectiveness (SE). The hybrid freestanding electrode created highly effective transparent and flexible EMI shielding films, featuring an ultrathin thickness (3 µm), the high optical transparency of 93% at 550 nm, and a SE of 41.5 dB in the X-band, which exceeds that of 30 dB for a freestanding Ni-mesh (94%). We showed that the hybrid freestanding AgNWs/Ni-mesh film is a promising high-performance transparent and flexible EMI shielding material that satisfies the requirements for optoelectronic devices.

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