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Fabrication of folded MXene/MoS2 composite microspheres with optimal composition and their microwave absorbing properties
作者:Zihao Liu, Yuhong Cui, Qiang Li, Qiuyu Zhang, Baoliang Zhang
关键字:MXene MoS2 nanosheets Ultrasonic spraying technology Microwave absorption
论文来源:期刊
具体来源:Journal of Colloid and Interface Science
发表时间:2021年

In this work, ultrasonic spray technology is utilized for build up MXene and MoS2 nanosheets to threedimensional MXene/MoS2 fold microspheres by one-step method. By skillfully assembling two kinds of functional two-dimensional materials, the microspheres have abundant heterogeneous interfaces and huge specific surface area. The optimum feed ratio of MXene and MoS2 is determined by comparing the absorbing properties, and the mass ratio is 5:1. With 30% filler, the material shows the best absorption performance. At 10.4 GHz, the minimal reflection loss (RLmin) reach 51.21 dB, and the thickness is merely 2.5 mm. At the thickness in 1.6 mm, the efficacious absorption bandwidth (RL < -10 dB) reaches 4.4 GHz. The outstanding microwave absorbing properties with MXene/MoS2 folded microspheres is resulted in the multiple interfaces in the heterostructure and above the average conductivity of MXene. The results show that MXene/MoS2 folded microsphere is a prospective electromagnetic absorbing material. The construction of MXene/MoS2 folded microsphere provides an effective method to devise new high-performance microwave absorbing materials.