Flash-Induced High-Throughput Porous Graphene via Synergistic Photo-Effects for Electromagnetic Interference Shielding

Autor:	Jin Soo Lee, Jeong-Wook Kim, Jae Hee Lee, Yong Koo Son, Young Bin Kim, Kyoohee Woo, Chanhee Lee, Il-Doo Kim, Jae Young Seok, Jong Won Yu, Jung Hwan Park, Keon Jae Lee
Jazyk:	angličtina
Rok vydání:	2023
Předmět:	Porous graphene Flash lamp Photo-pyrolysis High-throughput Electromagnetic interference shielding Technology
Zdroj:	Nano-Micro Letters, Vol 15, Iss 1, Pp 1-18 (2023)
Druh dokumentu:	article
ISSN:	2311-6706 2150-5551
DOI:	10.1007/s40820-023-01157-8
Popis:	Highlights Flash-induced porous graphene (FPG) was synthesized via a broad-spectrum flash lamp that induced synergistic photo-effects between ultraviolet and visible-near-infrared wavelengths, resulting in large-area synthesis in just a few milliseconds. A hollow pillar graphene with low sheet resistance of 18 Ω sq−1 was produced, exhibiting low density (0.0354 g cm−3) and outstanding absolute electromagnetic interference shielding effectiveness of 1.12 × 105 dB cm2 g−1. A lightweight, flexible, and high-throughput FPG is applied for electromagnetic interference shielding of a drone radar system and the human body.
Databáze:	Directory of Open Access Journals
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