A kind of transition metal chalcogenide-carbonyl iron powder composite microwave absorber and preparation method thereof
A technology of microwave absorbers and chalcogenides, applied in chemical instruments and methods, and other chemical processes, can solve problems such as thinness, lightness, width, strength, low corrosion resistance, and reduced microwave absorption performance. Effects of avoiding adverse effects, improving absorption rate, and improving dielectric loss
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Embodiment 1
[0034] A transition metal chalcogenide-carbonyl iron powder composite microwave absorber, the composite microwave absorber is mainly composed of transition metal chalcogenide flakes and carbonyl iron powder, the chemical formula of the transition metal chalcogenide is AB 2 , where A is Mo, B is S, that is, MoS 2 . The microscopic morphology of transition metal chalcogenides is flake-like, and 0
[0035] A preparation method of the transition metal chalcogenide-carbonyl iron powder composite microwave absorber of the above-mentioned embodiment, comprising the following steps:
[0036] (1) Weigh 0.1g MoS with an analytical balance 2 Coarse powder, mixed with 50.0mL organic solvent N-methyl-2-pyrrolidone (NMP), placed in a beaker to prepare a mixed solution with a concentration of 2g / L, then sealed the beaker with plastic wrap and a rubber band, placed in In a constant-temperature ultrasonic cleaner, intermittently sonicate for 5 hours, and so...
Embodiment 2
[0041] A transition metal chalcogenide-carbonyl iron powder composite microwave absorber, the composite microwave absorber is mainly composed of transition metal chalcogenide flakes and carbonyl iron powder, the chemical formula of the transition metal chalcogenide is AB 2 , where A is Mo, B is S, that is, MoS 2 . The microscopic morphology of transition metal chalcogenides is flake-like, and 0
[0042] A preparation method of the transition metal chalcogenide-carbonyl iron powder composite microwave absorber of the above-mentioned embodiment, comprising the following steps:
[0043] (1) Weigh 0.1g MoS with an analytical balance 2 Coarse powder, mixed with 50.0mL organic solvent N-methyl-2-pyrrolidone (NMP), placed in a beaker to prepare a mixed solution with a concentration of 2g / L, then sealed the beaker with plastic wrap and a rubber band, placed in In a constant-temperature ultrasonic cleaner, intermittently sonicate for 5 hours, and so...
Embodiment 3
[0048] A transition metal chalcogenide-carbonyl iron powder composite microwave absorber, the composite microwave absorber is mainly composed of transition metal chalcogenide flakes and carbonyl iron powder, the chemical formula of the transition metal chalcogenide is AB 2 , where A is Mo, B is Se, that is, MoSe 2 . The microscopic morphology of transition metal chalcogenides is flake-like, and 0
[0049] A preparation method of the transition metal chalcogenide-carbonyl iron powder composite microwave absorber of the above-mentioned embodiment, comprising the following steps:
[0050] (1) Weigh 0.1g MoSe with an analytical balance 2 Coarse powder, mixed with 50.0mL organic solvent N-methyl-2-pyrrolidone (NMP), placed in a beaker to prepare a mixed solution with a concentration of 2g / L, then sealed the beaker with plastic wrap and a rubber band, placed in In a constant-temperature ultrasonic cleaner, intermittently sonicate for 3 hours, an...
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