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Nanowire wave-absorbing material with multi-layer alternating graphene/wave-transparent ceramic structure and preparation method of nanowire wave-absorbing material
The invention relates to a nanowire wave-absorbing material with a multi-layer alternate graphene/wave-transparent ceramic structure and a preparation method thereof, the preparation method comprises the following steps: putting a wave-transparent nanowire into a graphene deposition furnace, depositing a layer of graphene on the surface of the wave-transparent nanowire, then depositing a layer of wave-transparent ceramic with nanoscale thickness on the surface of a sample deposited with the graphene, and finally preparing the nanowire wave-absorbing material with the multi-layer alternate graphene/wave-transparent ceramic structure. And repeatedly and circularly depositing the graphene and the wave-transparent ceramic to obtain a multi-layer alternating graphene/wave-transparent ceramic structure. The invention has the advantages of simple process, simple structure and capability of realizing large-scale production. The prepared nanowire wave-absorbing material is excellent in room-temperature wave-absorbing performance, the effective absorption bandwidth reaches 8 GHz, and the nanowire wave-absorbing material has good high-temperature resistance and oxidation resistance and is suitable for the field of electromagnetic wave absorption.
本发明涉及一种具有多层交替石墨烯/透波陶瓷结构的纳米线吸波材料及制备方法，将透波纳米线放入石墨烯沉积炉中，在其表面沉积一层石墨烯，然后在沉积了石墨烯的试样表面再沉积一层纳米级厚度的透波陶瓷，重复循环沉积石墨烯和透波陶瓷，获得多层交替石墨烯/透波陶瓷的结构。本发明工艺简单，结构简单，有能力实现大规模生产。所制备的纳米线吸波材料不仅室温吸波性能优异，有效吸收带宽达到8GHz，而且具有良好的耐高温和抗氧化性能，适用于电磁波吸收领域。
Nanowire wave-absorbing material with multi-layer alternating graphene/wave-transparent ceramic structure and preparation method of nanowire wave-absorbing material
The invention relates to a nanowire wave-absorbing material with a multi-layer alternate graphene/wave-transparent ceramic structure and a preparation method thereof, the preparation method comprises the following steps: putting a wave-transparent nanowire into a graphene deposition furnace, depositing a layer of graphene on the surface of the wave-transparent nanowire, then depositing a layer of wave-transparent ceramic with nanoscale thickness on the surface of a sample deposited with the graphene, and finally preparing the nanowire wave-absorbing material with the multi-layer alternate graphene/wave-transparent ceramic structure. And repeatedly and circularly depositing the graphene and the wave-transparent ceramic to obtain a multi-layer alternating graphene/wave-transparent ceramic structure. The invention has the advantages of simple process, simple structure and capability of realizing large-scale production. The prepared nanowire wave-absorbing material is excellent in room-temperature wave-absorbing performance, the effective absorption bandwidth reaches 8 GHz, and the nanowire wave-absorbing material has good high-temperature resistance and oxidation resistance and is suitable for the field of electromagnetic wave absorption.
本发明涉及一种具有多层交替石墨烯/透波陶瓷结构的纳米线吸波材料及制备方法，将透波纳米线放入石墨烯沉积炉中，在其表面沉积一层石墨烯，然后在沉积了石墨烯的试样表面再沉积一层纳米级厚度的透波陶瓷，重复循环沉积石墨烯和透波陶瓷，获得多层交替石墨烯/透波陶瓷的结构。本发明工艺简单，结构简单，有能力实现大规模生产。所制备的纳米线吸波材料不仅室温吸波性能优异，有效吸收带宽达到8GHz，而且具有良好的耐高温和抗氧化性能，适用于电磁波吸收领域。
Nanowire wave-absorbing material with multi-layer alternating graphene/wave-transparent ceramic structure and preparation method of nanowire wave-absorbing material
具有多层交替石墨烯/透波陶瓷结构的纳米线吸波材料及制备方法
YE FANG (author) / SONG QIANG (author) / LIANG JIE (author) / CAO YUCHEN (author) / ZHANG LITONG (author)
2022-07-01
Patent
Electronic Resource
Chinese
| European Patent Office | 2024
| European Patent Office | 2024
| European Patent Office | 2024
| European Patent Office | 2023