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shan6364wx新蟲 (初入文壇)
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[交流]
二氧化硅的表面修飾 已有4人參與
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用APTES對(duì)二氧化硅納米球進(jìn)行改性,其過程需要加入堿嗎?還有溫度對(duì)齊影響大嗎? 發(fā)自小木蟲Android客戶端 |
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Typically, 12 mL MNCs water dispersion, 80 mL ethanol, and 4 mL ammonium hydroxide were mixed together in a three-neck ask. For each 20 min, 0.4 mL TEOS was slowly injected in. The thickness of silica shell can be determined by the times of the injection of TEOS. For Fe3- O4@SiO2 described in the main text, TEOS was injected three times. The coating process was conducted under vigorous mechanical stirring and 50℃ water bath. |


鐵蟲 (小有名氣)

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