Synthetic method of acetone-oriented multilayer CsxWO3/Ti3C2Tx composite material
A composite material and synthesis method technology, applied in the field of nano-inorganic material preparation, can solve the problems of non-selectivity, low response value, unsatisfactory response value and detection limit, etc., and achieve high detection limit, high response, excellent acetone transmission The effect of sensibility
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Embodiment 1
[0027] 1) Weigh 1g of Ti 3 AlC 2 , measure 20ml HF solution, Ti 3 AlC 2 Slowly add the powder into the HF solution and mix in the Teflon beaker, during which a lot of heat is released;
[0028] 2) Electromagnetic stirring to form a suspension, and after centrifugation, wash with deionized water until the solution pH=6;
[0029] 3) Use vacuum drying to obtain black Ti 3 C 2 T x sample;
[0030] 4) Weigh 0.2g WCl 6 Dissolve in 50ml of absolute ethanol, stir vigorously until completely dissolved to obtain a light yellow solution, then add 0.1g of CsOH·H 2 O, after mixing, add a certain amount of step 3) Ti obtained 3 C 2 T x The sample and a certain amount of acetic acid form a precursor;
[0031] 5) Transfer the resulting precursor solution to a 100ml autoclave to obtain Cs x WO 3 / Ti 3 C 2 T x composite material.
[0032] Said step 2) electromagnetic stirring for 18 hours to form a suspension, and the rotational speed of the magnetic stirrer was set at 200 rpm. ...
Embodiment 2
[0037] 1) Weigh 2g of Ti 3 AlC 2 , measure 25ml HF solution, Ti 3 AlC 2 Slowly add the powder into the HF solution and mix in the Teflon beaker, during which a lot of heat is released;
[0038] 2) Electromagnetic stirring to form a suspension, and after centrifugation, wash with deionized water until the solution pH=6;
[0039] 3) Use vacuum drying to obtain black Ti 3 C 2 T x sample;
[0040] 4) Weigh 0.3g WCl 6 Dissolve in 50ml of absolute ethanol, stir vigorously until completely dissolved to obtain a light yellow solution, then add 0.3g of CsOH·H 2 O, after mixing, add a certain amount of step 3) Ti obtained 3 C 2 T x The sample and a certain amount of acetic acid form a precursor;
[0041] 5) Transfer the resulting precursor solution to a 100ml autoclave to obtain Cs x WO 3 / Ti 3 C 2 T x composite material.
[0042] Said step 2) electromagnetic stirring for 21 hours to form a suspension, and the rotational speed of the magnetic stirrer was set at 400 rpm...
Embodiment 3
[0047] 1) Weigh 3g of Ti 3 AlC 2 , measure 30ml HF solution, Ti 3 AlC 2 Slowly add the powder into the HF solution and mix in the Teflon beaker, during which a lot of heat is released;
[0048] 2) Electromagnetic stirring to form a suspension, and after centrifugation, wash with deionized water until the solution pH=6;
[0049] 3) Use vacuum drying to obtain black Ti 3 C 2 T x sample;
[0050] 4) Weigh 0.5g WCl 6 Dissolve in 50ml of absolute ethanol, stir vigorously until completely dissolved to obtain a light yellow solution, then add 0.4g of CsOH·H 2 O, after mixing, add a certain amount of step 3) Ti obtained 3 C 2 T x The sample and a certain amount of acetic acid form a precursor;
[0051] 5) Transfer the resulting precursor solution to a 100ml autoclave to obtain Cs x WO 3 / Ti 3 C 2 T x composite material.
[0052] The step 2) electromagnetically stir for 24 hours to form a suspension, and the rotational speed of the magnetic stirrer is set at 500 rpm. ...
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