Preparation method of graphene/zinc oxide nanocomposite and purpose thereof
A zinc oxide nanocomposite material technology, which is applied in the field of graphene/zinc oxide nanocomposite material preparation, can solve the problems of multiple reaction steps and complex equipment, and achieve enhanced stability, good chemical properties and improved dispersibility Effect
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[0020] Example 1:
[0021] A preparation method of graphene / zinc oxide nano composite material includes the following steps:
[0022] (1) Dissolve graphene oxide and nano-zinc oxide in ethanol / benzyl alcohol mixed solvent, add cetyltrimethylammonium bromide and titanate coupling agent, ultrasonically disperse for 0.5h, and mechanically stir for 0.5h , To obtain a mixed solution; wherein the mass ratio of graphene oxide to nano zinc oxide is 2:11, and the mass ratio of graphene oxide to titanate coupling agent is 10:1.
[0023] (2) Transfer the mixed solution to a closed container, pass nitrogen protection, and react at 170°C for 6 hours to obtain a reduction reaction solution;
[0024] (3) The reduction reaction solution is naturally cooled to room temperature, filtered, washed with absolute ethanol to neutrality, dried in vacuum and pulverized to obtain a graphene / zinc oxide nanocomposite material.
Example Embodiment
[0025] Example 2:
[0026] A preparation method of graphene / zinc oxide nano composite material includes the following steps:
[0027] (1) Dissolve graphene oxide and nano-zinc oxide in ethanol / benzyl alcohol mixed solvent, add cetyltrimethylammonium bromide and titanate coupling agent, ultrasonically disperse for 0.5h, and mechanically stir for 0.5h , To obtain a mixed solution; wherein the mass ratio of graphene oxide to nano zinc oxide is 1:8, and the mass ratio of graphene oxide to titanate coupling agent is 10:1.
[0028] (2) Transfer the mixed solution to a closed container, pass in argon protection, and react at 130°C for 10 hours to obtain a reduction reaction solution;
[0029] (3) The reduction reaction solution is naturally cooled to room temperature, filtered, washed with absolute ethanol to neutrality, dried in vacuum and pulverized to obtain a graphene / zinc oxide nanocomposite material.
Example Embodiment
[0030] Example 3:
[0031] A preparation method of graphene / zinc oxide nano composite material includes the following steps:
[0032] (1) Dissolve graphene oxide and nano-zinc oxide in ethanol / benzyl alcohol mixed solvent, add cetyltrimethylammonium bromide and titanate coupling agent, ultrasonically disperse for 0.5h, and mechanically stir for 0.5h , To obtain a mixed solution; wherein the mass ratio of graphene oxide to nano zinc oxide is 1:7, and the mass ratio of graphene oxide to titanate coupling agent is 10:1.
[0033] (2) Transfer the mixed solution to a closed container, pass it into nitrogen protection, and react at 150°C for 8 hours to obtain a reduction reaction solution;
[0034] (3) The reduction reaction solution is naturally cooled to room temperature, filtered, washed with absolute ethanol to neutrality, dried in vacuum and pulverized to obtain a graphene / zinc oxide nanocomposite material.
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