In this paper,chemistry water bath deposition was applied to fabricate the CdSe semiconductor thin film on the surface of glass in the cadmium acetate solution system,and CdSe films were characterized by using atomic ...In this paper,chemistry water bath deposition was applied to fabricate the CdSe semiconductor thin film on the surface of glass in the cadmium acetate solution system,and CdSe films were characterized by using atomic force microscope.The results showed that at the conditions of temperature in the deposition of 70 ℃,with the amount of selenium urea of 20 mg/250mL,and pH neutral system,a CdSe film at 50 nm thick was obtained.展开更多
Gas chromatography with ion-trap mass spectrometric detector(GC-MS)was used to determine the chlorinating reaction products of [2,2]-paracyclophane(PCP).Results with mass chromatogram analysis indicates the chlorinati...Gas chromatography with ion-trap mass spectrometric detector(GC-MS)was used to determine the chlorinating reaction products of [2,2]-paracyclophane(PCP).Results with mass chromatogram analysis indicates the chlorinating reaction products of PCP are chloro-[2,2]-paracyclophane mixtures,and different compound has a few kinds of isomers respectively.Chloro-[2,2]-paracyclophane mixture consists of one-chloro-[2,2]-paracyclophane(one-chloro-PCP)with single structure,two-chloro-[2,2]-paracyclophane(two-chloro-PCP)with five types of isomers,and three-chloro-[2,2]-paracyclophane(three-chloro-PCP)with four types of isomers.In fact,there are three isomers with two Cl on two benzenes respectively and two isomers with two Cl on a benzene simultaneity in two-chloro-PCP compound,there are four isomers with a Cl on a benzene and two Cl on the other benzene in three-chloro-PCP compound.The two-chloro-PCP compound is determined to be the main component and the others are subsidiary substances from RIC of the chlorinating products of PCP.展开更多
文摘In this paper,chemistry water bath deposition was applied to fabricate the CdSe semiconductor thin film on the surface of glass in the cadmium acetate solution system,and CdSe films were characterized by using atomic force microscope.The results showed that at the conditions of temperature in the deposition of 70 ℃,with the amount of selenium urea of 20 mg/250mL,and pH neutral system,a CdSe film at 50 nm thick was obtained.
文摘Gas chromatography with ion-trap mass spectrometric detector(GC-MS)was used to determine the chlorinating reaction products of [2,2]-paracyclophane(PCP).Results with mass chromatogram analysis indicates the chlorinating reaction products of PCP are chloro-[2,2]-paracyclophane mixtures,and different compound has a few kinds of isomers respectively.Chloro-[2,2]-paracyclophane mixture consists of one-chloro-[2,2]-paracyclophane(one-chloro-PCP)with single structure,two-chloro-[2,2]-paracyclophane(two-chloro-PCP)with five types of isomers,and three-chloro-[2,2]-paracyclophane(three-chloro-PCP)with four types of isomers.In fact,there are three isomers with two Cl on two benzenes respectively and two isomers with two Cl on a benzene simultaneity in two-chloro-PCP compound,there are four isomers with a Cl on a benzene and two Cl on the other benzene in three-chloro-PCP compound.The two-chloro-PCP compound is determined to be the main component and the others are subsidiary substances from RIC of the chlorinating products of PCP.