Zinc sulfide in mace-shaped nanometer structure and preparation method thereof
A nanostructure, zinc sulfide technology, applied in the field of low-dimensional nanomaterials and their preparation
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Embodiment 1
[0029] Embodiment 1: take by weighing 5.0g Zn(CH 3 COO) 2 2H 2 0, add 85.0g DMF and stir to obtain a clear and transparent solution, then add 10g PVP to it and continue to stir until even and transparent, and then you can obtain the spinning solution, the mass proportion of each component of the spinning solution is: inorganic salt 5 %, PVP 10%, DMF 85%; the prepared spinning solution is electrospun, the spinning voltage is 15kV, and the curing distance is 10cm, the zinc salt / polymer template agent precursor fiber can be obtained; the prepared Zinc salt / polymer template agent precursor fibers were heat-treated at a heating rate of 0.5°C / min, kept at 600°C for 48 hours, and then naturally cooled to room temperature to obtain zinc oxide nanofibers; the synthesized zinc oxide nanofibers Put it in a tube furnace, heat up to 500°C at 10°C / min, and start vulcanization by introducing carbon disulfide steam. The vulcanization time is 3 hours, keep it at 800°C for 10 hours, and cool ...
Embodiment 2
[0030] Embodiment 2: take by weighing 15.0g ZnSO 4 ·7H 2 O, add 55.0g of water and stir to obtain a clear and transparent solution, then add 30.0g of PVA to it and continue to stir until it is uniform and transparent, and the spinning solution can be obtained. The mass ratio of each component of the spinning solution is: inorganic salt 15%, PVA 30%, water 55%; the prepared spinning solution is electrospun, the spinning voltage is 25kV, and the curing distance is 15cm, then the zinc salt / polymer template agent precursor fiber can be obtained; The prepared zinc salt / polymer template precursor fiber was heat-treated at a heating rate of 5°C / min, kept at 900°C for 8 hours, and then naturally cooled to room temperature to obtain zinc oxide nanofibers; the synthesized zinc oxide nanofibers The fiber is placed in a tube furnace, and when the temperature is raised to 500°C at 2°C / min, hydrogen sulfide is introduced to start vulcanization. The vulcanization time is 2 hours, kept at 90...
Embodiment 3
[0031] Embodiment 3: Weigh 10.0g ZnCl 2 ·nH 2 0, add the mixture of 65.0g water and ethanol (the mass ratio of water and ethanol is 1: 2) and stir to obtain a clear and transparent solution, then add 25.0g PVP to it and continue to stir until uniform and transparent, and the spinning solution can be obtained. The mass ratio of the components of the spinning solution is: 10% inorganic salt, 25% PVP, and 65% solvent; the prepared spinning solution is electrospun, the spinning voltage is 20kV, and the curing distance is 25cm. The zinc salt / polymer template agent precursor fiber can be obtained; the prepared zinc salt / polymer template agent precursor fiber is heat-treated at a heating rate of 2°C / min, kept at 700°C for 30 hours, and then naturally cooled to Zinc oxide nanofibers can be obtained at room temperature; the synthesized zinc oxide nanofibers are placed in a tube furnace, and when the temperature is raised to 500°C at 5°C / min, the mixture of hydrogen sulfide and carbon ...
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