In Situ Atomic Reconstruction Engineering Modulating Graphene-Like MXene-Based Multifunctional Electromagnetic Devices Covering Multi-Spectrum

• Published in: Nano-micro letters Vol. 16; no. 1; pp. 173 - 15
• Main Authors: Liu, Ting-Ting, Zheng, Qi, Cao, Wen-Qiang, Wang, Yu-Ze, Zhang, Min, Zhao, Quan-Liang, Cao, Mao-Sheng
• Format: Journal Article
• Language: English
• Published: Singapore Springer Nature Singapore 01.12.2024; Springer Nature B.V; SpringerOpen
• Subjects: Antenna arrays; Antennas; Bandpass filters; Big Data; Conduction losses; Devices; Dielectric properties; Electromagnetic device; Electrons; Energy harvesting; Engineering; Functional materials; Graphene; Graphene-like MXene hybrids; Hydrochloric acid; Infrared radiation; Light; Microscopy; Multi-function antenna; Multi-spectral response; MXenes; Nanoscale Science and Technology; Nanotechnology; Nanotechnology and Microengineering; R&D; Radiation; Reconstruction; Research & development; Special issue on EM Wave Functional Materials; Spectrum analysis; Stealth technology; Titanium dioxide; Ultra-wideband bandpass filter; Ultrawideband; Ultra-wideband bandpass filter; Multi-spectral response; Graphene-like MXene hybrids; Electromagnetic device; Multi-function antenna
• ISSN: 2311-6706; 2150-5551; 2150-5551
• DOI: 10.1007/s40820-024-01391-8

Highlights MXene/TiO 2 hybrids are prepared by a simple calcination treatment, and their electromagnetic response is customized by in situ atomic reconstruction engineering. Based on the excellent electromagnetic response of MXene/TiO 2 hybrids, a series of electromagnetic devices are constructed. Multi-spectrum stealth is realized covering visible-light, infrared radiation and GHz. With the diversified development of big data, detection and precision guidance technologies, electromagnetic (EM) functional materials and devices serving multiple spectrums have become a hot topic. Exploring the multispectral response of materials is a challenging and meaningful scientific question. In this study, MXene/TiO 2 hybrids with tunable conduction loss and polarization relaxation are fabricated by in situ atomic reconstruction engineering. More importantly, MXene/TiO 2 hybrids exhibit adjustable spectral responses in the GHz, infrared and visible spectrums, and several EM devices are constructed based on this. An antenna array provides excellent EM energy harvesting in multiple microwave bands, with | S 11 | up to − 63.2 dB, and can be tuned by the degree of bending. An ultra-wideband bandpass filter realizes a passband of about 5.4 GHz and effectively suppresses the transmission of EM signals in the stopband. An infrared stealth device has an emissivity of less than 0.2 in the infrared spectrum at wavelengths of 6–14 µm. This work can provide new inspiration for the design and development of multifunctional, multi-spectrum EM devices.