Vanadium oxide ultra-thin nanobelt with embedded ions and preparation method and application thereof
A technology of vanadium oxide, ion intercalation
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Embodiment 1
[0037] A method for preparing an ion-embedded vanadium oxide ultrathin nanoribbon, comprising the steps of:
[0038] 1) Weigh 0.1mmol iron acetylacetonate and dissolve it in deionized water, wherein the amount of iron acetylacetonate is the same as the V that is about to be added in step 2). 2 o 5 sol corresponds proportionally to each mole of V 2 o 5 The sol corresponds to 0.1mmol iron acetylacetonate, fully stirred to dissolve;
[0039] 2) Slowly add 1 mmol of vanadium pentoxide sol to the solution obtained in step 1), that is, the concentration of vanadium pentoxide in the solution is 0.017mol / L, and fully stir;
[0040] 3) Transfer the solution obtained in step 2) into a reaction kettle, heat at 180° C. for 48 hours, take out the reaction kettle, and naturally cool to room temperature;
[0041] 4) centrifuging the product obtained in step 3), collecting the precipitate and repeatedly washing the precipitate with water and absolute ethanol;
[0042] 5) disperse the pre...
Embodiment 2
[0049] A method for preparing an ion-embedded vanadium oxide ultrathin nanoribbon, comprising the steps of:
[0050] 1) Weigh 0.05mmol calcium acetylacetonate and dissolve it in deionized water, wherein the amount of calcium acetylacetonate is the same as that of V that is about to be added in step 2). 2 o 5 sol corresponds proportionally to each mole of V 2 o 5 The sol corresponds to 0.05 calcium acetylacetonate, fully stirred to dissolve;
[0051] 2) Slowly add 1 mmol of vanadium pentoxide sol to the solution obtained in step 1), that is, the concentration of vanadium pentoxide in the solution is 0.017mol / L, and fully stir;
[0052] 3) Transfer the solution obtained in step 2) into a reaction kettle, heat at 200° C. for 24 hours, take out the reaction kettle, and naturally cool to room temperature;
[0053] 4) centrifuging the product obtained in step 3), collecting the precipitate and repeatedly washing the precipitate with water and absolute ethanol;
[0054] 5) dispe...
Embodiment 3
[0059] A method for preparing an ion-embedded vanadium oxide ultrathin nanoribbon, comprising the steps of:
[0060] 1) Weigh 1mmol molybdenum acetylacetonate and dissolve it in deionized water, wherein the amount of molybdenum acetylacetonate is the same as that of the V that will be added in step 2) 2 o 5 sol corresponds proportionally to each mole of V 2 o 5 The sol corresponds to 1 mmol of molybdenum acetylacetonate, fully stirred to dissolve;
[0061] 2) Slowly add 1 mmol of vanadium pentoxide sol to the solution obtained in step 1), that is, the concentration of vanadium pentoxide in the solution is 0.017mol / L, and fully stir;
[0062] 3) Transfer the solution obtained in step 2) into a reaction kettle, heat at 200° C. for 24 hours, take out the reaction kettle, and naturally cool to room temperature;
[0063] 4) centrifuging the product obtained in step 3), collecting the precipitate and repeatedly washing the precipitate with water and absolute ethanol;
[0064] 5...
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