Three-Dimensional Graphene/Ni/Polypyrrole Ternary Nanoarchitectures for Electromagnetic Interference Shielding and Electro-Photothermal Conversion
Source abstract
Abstract
A 3D graphene/nickel nanoparticle (Ni NP)/polypyrrole (PPy) ternary nanoarchitecture is fabricated via laser direct writing and pulse electrodeposition. By tailoring the PPy nanocoating to optimize interfacial impedance matching and intensify nanoscale polarization, the composite achieves an outstanding electromagnetic interference shielding effectiveness (EMI SE) of 83.3 dB and an absolute SE (SSE/t) of 20512.8 dB·cm 2 ·g –1 . Furthermore, the interconnected 3D network demonstrates efficient low-voltage Joule heating (161.4 °C at 3 V) and photothermal conversion (71.3 °C under 1.5 kW m –2 ). This multifunctional nanostructure offers a robust strategy for integrating high-performance EMI shielding with outdoor anti-icing/deicing and localized thermal management in cold environments.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Electromagnetic wave absorption materials · Thermal Radiation and Cooling Technologies · Smart Materials for Construction
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
LIB Technology Center of Anhui Province
Hefei University
Anhui Power and Energy Storage Battery Industry Innovation Research Institute
Department of Chemistry
University of Science and Technology of China
Institute of Solid-State Physics
Chinese Academy of Sciences
Guoke Energy (Chuzhou) Co., Ltd.
Funding
Anhui Provincial Department of Science and Technology · Major Science and Technology Projects in Anhui Province · Hefei University · Anhui Province
References (29)
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