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Ca Ce Ci Co Cucriancas Inteligentes For cu valence state, the high resolution cu 2p xps spectra of both cu cds and na 2 [cu(edta)] showed the peaks at 932.5 ev (2p 3 2) and 952.5 ev (2p 1 2), respectively, which are associated with. Fig. 1: schematic of preparing cunws with surface steps. fig. 2: tem characterizations of the syn cunw and a cunw. fig. 5: the stability and activity of the cu(511) step surface. a hexane.

Actividades Con Ca Co Cu Ce Ci The comparison results of fresh and used cu 2 s cus hncs in cu 2p (fig. s11e) and s 2p (fig. s11f) regions suggest that the proportion of cu 2 in cu 2 s cus hncs is slightly increased after the photocatalysis, and the population of s–cu bonds can be maintained after the photocatalysis because the peak intensity of used cu 2 s cus hncs at ∼162 ev (fig. s11f) is not decreased compared with. The auger parameter of cu for the unreduced catalyst is different from that of the activated ones (supplementary table 5), evidencing a mixture of cu 0 and cu in the activated cu zno al 2 o 3. For an optimal cu doping percentage of 1.0%, an average hydrogen production rate of 2796 μmol h 1 g 1 and an apparent quantum efficiency of 16.0% at a wavelength of 420 nm was observed, the latter of which is nearly 9.3 times higher than that of the carbon coated cds product without cu doping. Enantioselective α arylation of ketones via a novel cu(i)–bis(phosphine) dioxide catalytic system. journal of the american chemical society 2021 , 143 (9) , 3289 3294.