Transparent and Corrosion-Resistant PDMS/ITO/Ag/ITO Multilayer Film for Efficient EMI Shielding in a Marine Environment
Source abstract
Abstract
The issue of increased electromagnetic pollution has sparked widespread demands for electromagnetic interference (EMI) shielding technology in specialized applications such as optical windows and periscopes. More importantly, the materials maintaining a high transmittance and excellent EMI shielding stability in harsh environments still remain an urgent challenge. In this work, a multilayered PDMS/ITO/Ag/ITO (PIAI) film is constructed by magnetron sputtering and spin-coating techniques. The PIAI film with a sandwiched structure design exhibited an efficient shielding effectiveness of 35 dB in the X-band while boasting an impressive transmittance of 89% at 550 nm ascribed to refractive index matching of the PDMS layer and phase cancellation interference between ITO layers. It also represented satisfying corrosion resistance and chemical stability, with a slight shielding effectiveness decrease of 5% after immersing for 24 h in 5 wt % NaCl solution. Therefore, the as-obtained multilayered film integrates the multifunctionality of efficient EMI shielding, high light transmission, and excellent corrosion resistance, offering a promising avenue for transparent EMI shielding films applied to visible windows in a harsh environment.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Electromagnetic wave absorption materials · Dielectric materials and actuators · Electrical Contact Performance and Analysis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi’an, Shanxi 710072, China
School of Materials Science & Engineering, Xi’an University of Architecture & Technology, Xi’an, Shanxi 710055, China
Funding
Northwestern Polytechnical University · National Science and Technology Major Project · Innovative Talent Promotion Program-Youth Science and Technology Emerging Project · Science Fund for Distinguished Young Scholars of Shannxi Province · Fundamental Research Project of National Defense
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