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要合成CdSe量子点,要哪些仪器(分享2个币币)
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要合成谁溶性的量子点 急急 |
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fanhbu
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这个容易,看KOTOV 的Chem. Mater. 2000, 12, 2676-2685。 Citrate-stabilized CdSe nanocrystals were prepared according to the following procedure: To 45 mL of water were added 0.05 g sodium citrate and 2 mL of 4 10-2 M cadmium perchlorate and the pH was adjusted to 9.0 by 0.1 M NaOH. The solution was bubbled with nitrogen for 10 min, 2 mL of 1 10-2MN,N-dimethylselenourea was added, and the mixture was heated in a conventional 900 W (Sharp) microwave oven for 50 s. The final volume of the solution after heating was ca. 40 mL. In the recipe described above, the Cd:Se molar ratio was 4:1, which leads to CdSe nanoparticles with ca. 4.0 nm diameter; by increasing the Cd concentration it is possible to synthesize smaller CdSe nanocrystals. 简单实用 |
14楼2007-10-11 12:34:26

3楼2007-10-06 12:58:04
dongfei2003
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4楼2007-10-06 20:37:54
dongfei2003
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5楼2007-10-06 20:42:17













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