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晴檬hcq新蟲(chóng) (小有名氣)
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[求助]
合成PtCu3
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初次做合成材料,最近參照一篇文獻(xiàn)合成介孔八面體的PtCu3(反應(yīng)步驟特別簡(jiǎn)單 aqueous CuCl2 (20 × 10?3 m, 1 mL)solution and aqueous H2PtCl6 (20 × 10?3 m, 1 mL) solution were added into a solution containing KI (30 mg), guanidine carbonate (100 mg), PVP (150 mg), ethanolamine (0.7 mL), and water (3.65 mL). After 30 min of sonication, the mixed solution was hydrothermally treated in 20 mL Te?on-lined stainless steel autoclave at 170 °C for 8 h. After cooling down to room temperature, the products were precipitated via centrifugation, and washed with ethanol–water mixture),但反應(yīng)之后溶液為澄清透明的藍(lán)色,看到文獻(xiàn)上PtCu(納米線形狀)合成出來(lái)是黑色,,并且離心不下來(lái),這代表是不是沒(méi)有合成出來(lái)?求各位大神指點(diǎn)一下 發(fā)自小木蟲(chóng)Android客戶端 |
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