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Quantum movement of electrons between atomic layers shows potential application of van der Waals materials for electronics and photonics(图)
Quantum movement electrons between atomic layers potential application van der Waals materials electronics photonics
2017/3/30
Common sense might dictate that for an object to move from one point to another, it must go through all the points on the path.“Imagine someone driving from Kansas City to Topeka on I-70 — it’s safe t...
铜离子催化DPKA关环反应及其潜在应用(CuⅡ-induced Ring-formation Reaction of Di-pyridylketone Azine and Its Potential Application)
二吡啶酮肼合物 离子识别 荧光 铜离子
2010/8/18
铜离子催化的氧化关环有机反应,用于选择性荧光探测金属铜离子的存在。晶体结构和光谱分析表明,在DPKA的乙腈/水混合溶剂中,引入铜离子可以促使苯并三氮唑类荧光化合物(2)的形成,该反应可以使得溶液的荧光明显增强。而且在滴定溶液里,引入Cu2+螯合剂EDTA,并不能使得溶液的荧光减弱,表明荧光是由有机物2发射的。同时,其他金属离子的引入并不能产生荧光,而且干扰离子的存在也不能使得荧光光谱发生显著改变,...