Perego, Michele; Kuschlan, Stefano; Seguini, Gabriele; Chiarcos, Riccardo; Gianotti, Valentina; Antonioli, Diego; Sparnacci, Katia; Laus, Michele published an article about the compound: Cupric bromide( cas:7789-45-9,SMILESS:[Cu+2].[Br-].[Br-] ).Reference of Cupric bromide. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:7789-45-9) through the article.
Phosphorus δ-layers in SiO2 were prepared by means of poly(Me methacrylate) (PMMA) terminated with a phosphorus-containing moiety acting as an anchoring group. In particular, grafting of two P-terminated PMMA samples with Mn = 7.5 kg/mol (D = 1.14) and Mn = 17.8 kg/mol (D = 1.23) onto 10 nm thick SiO2 films deposited on Si substrates was investigated, focusing on the thickness evolution of the brush layer as a function of the processing parameters, i.e., annealing temperature and time. Upon removal of the polymer chains and subsequent encapsulation into a SiO2 matrix, the concentration of phosphorus atoms into the P δ-layers has been monitored by time-of-flight secondary ion mass spectrometry. The effective P dose in the P δ-layer is mainly dictated by the mol. weight of the P-terminated PMMA, and the doping process results are highly reproducible, provided that tight control over the exptl. protocol is granted. However, although the grafting d. is expected to progressively increase as a function of annealing time with a linear correlation between grafting d. and thickness, the measured P dose in the δ-layers is observed to follow the opposite trend. This effect was accounted for by considering a distortion of the mol. weight distribution of the grafted species with respect to the initial mol. weight distribution of the polymer. The overall picture reveals important information about the mechanism and dynamics governing the “”grafting to”” process of P-terminated PMMA polymers onto nondeglazed Si substrates.
In some applications, this compound(7789-45-9)Reference of Cupric bromide is unique.If you want to know more details about this compound, you can contact with the author or consult more relevant literature.
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