A method for preparing phosphorus-rich copper phosphide hollow nanospheres
A hollow nano, phosphorus-rich technology, applied in the field of nano-materials and electrochemistry, can solve the problems of high energy consumption, unable to control the shape of copper phosphide, etc., to achieve uniform distribution, good safety and stability, equipment and instruments require simple effects
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Embodiment 1
[0026] 1) Cu(CH 3 COO) 2 ·H 2 O dissolved in ethanol solution to give Cu(CH 3 COO) 2 ·H 2 O concentration of 0.5mol / L Cu(CH 3 COO) 2 ·H 2 O ethanol solution, and then add Cu(CH 3 COO) 2 ·H 2 The pyrrole of O ethanol solution volume 0.5‰, stirs to form dark blue solution A;
[0027] 2) Place solution A in a polytetrafluoroethylene-lined stainless steel reactor at 200°C for a solvothermal reaction at a filling ratio of 70%, wash the product with absolute ethanol after the reaction, and then dry it in a freeze-drying box get the precursor;
[0028] 3) Put the precursor in a small porcelain boat of 3*6cm according to the molar ratio of precursor and red phosphorus at 1:1, put the red phosphorus in a large porcelain boat of 5*12cm, and then put the small porcelain boat into the large porcelain boat Inside the boat, cover and seal it, and then phosphating it at 400°C for 1 hour in a tube furnace with a vacuum degree of -0.1Mpa. After the reaction, the powder in the small...
Embodiment 2
[0030] 1) Cu(CH 3 COO) 2 ·H 2 O dissolved in ethanol solution to give Cu(CH 3 COO) 2 ·H 2 O concentration of 1mol / L Cu(CH 3 COO) 2 ·H 2 O ethanol solution, and then add Cu(CH 3 COO) 2 ·H 2 O ethanol solution volume 2‰ of pyrrole, stirred to form dark blue solution A;
[0031] 2) Place solution A in a polytetrafluoroethylene-lined stainless steel reactor at 190°C for solvothermal reaction at a filling ratio of 75%. After the reaction, the product is washed with absolute ethanol, and then dried in a freeze-drying box get the precursor;
[0032]3) According to the molar ratio of precursor and red phosphorus of 1:2, put the precursor in a small porcelain boat of 3*6cm, put the red phosphorus in a large porcelain boat of 5*12cm, and then put the small porcelain boat into the large porcelain boat In the boat, cover and seal it, and then phosphating reaction at 500°C for 2 hours in a tube furnace with a vacuum degree of -0.1Mpa. After the reaction, the powder in the small...
Embodiment 3
[0034] 1) Cu(CH 3 COO) 2 ·H 2 O dissolved in ethanol solution to give Cu(CH 3 COO) 2 ·H 2 O concentration of 2mol / L Cu(CH 3 COO) 2 ·H 2 O ethanol solution, and then add Cu(CH 3 COO) 2 ·H 2 O ethanol solution volume 3‰ of pyrrole, stirred to form dark blue solution A;
[0035] 2) Place solution A in a polytetrafluoroethylene-lined stainless steel reactor at 180°C for solvothermal reaction at a filling ratio of 80%, wash the product with absolute ethanol after the reaction, and then dry it in a freeze-drying box get the precursor;
[0036] 3) According to the molar ratio of precursor and red phosphorus of 1:4, put the precursor in a small porcelain boat of 3*6cm, put the red phosphorus in a large porcelain boat of 5*12cm, and then put the small porcelain boat into the large porcelain boat Inside the boat, cover and seal it, and then phosphating reaction at 800°C for 4 hours in a tube furnace with a vacuum degree of -0.1Mpa. After the reaction, the powder in the small...
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