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Miss_me

新虫 (小有名气)

[求助] 郑南峰教授课题组纳米钯片钯蓝的制备

麻烦请问有没有成功做出郑南峰教授课题组一篇nature上的纳米钯片的小伙伴,想请教一些有关实验装置以及方法过程的问题:
我把原材料超声溶解之后加入25 ml圆底烧瓶向液体中通入一氧化碳,15 min后密闭盖上盖子开始加热至100度反应三小时,液体由黄色慢慢变深后直接变成了黑色,反应最终产物是黑色的而且10000 rpm离不下来
原文在此d(II) acetylacetonate (Pd(acac) 2 , 50.0 mg), poly(vinylpyrrolidone) (PVP, MW=30000, 160.0 mg) and CTAB (185 mg) were mixed together with N,N-dimethylformamide (10 mL) and water (2 mL). The resulting homogeneous yellow solution was transferred to a glass pressure vessel. The vessel was then charged with CO to 1 bar and heated at 100 °C for 3.0 h before it was cooled to room temperature. The dark blue products were precipitated by acetone, separated via centrifugation and further purified by an ethanol-acetone mixture.
我查了一下百度说1 bar是一个大气压,求教小伙伴们,原文中所说的通CO至1 bar是指气瓶分压表头显示为1 bar还是因为都是一个大气压所以表头应显示为0,通气时通气管是应该伸到液面以下还是只是向烧瓶中充气,应该是整个反应过程中一直通气还是通一段时间密闭盖子即可
做不出来实在是很焦虑,奉上我为了提问攒的所有金币,跪求小伙伴们的帮助~
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老子叫学渣

新虫 (小有名气)

你好,同学, 我最近也要做这方面的东西,方便留个联系方式么
3楼2020-03-04 12:34:02
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seiras

铜虫 (著名写手)

做合成有很多trick,可以给郑老师发邮件问一下

发自小木虫Android客户端
2楼2019-01-23 18:49:32
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