Facile Estimation of Surface Oxygen Vacancies in Co3O4 Catalysts with a Colorimetric Method
Mei Li,
Ling Zhang,
Wei Liu
et al.
Abstract:Oxygen vacancy (Ov) is known to act as an active center of the metal oxide. Quantification of surface Ov is vital for understanding the quantitative structure−activity relationship. Facile quantification characterization of surface Ov is highly desirable but still challenging. In this study, we presented a simple colorimetric method for rapidly quantifying surface Ov. As an example of metal oxide nanoparticles, Co 3 O 4 was used to catalyze the 3,3′,5,5′-tetramethylbenzidine (TMB)-H 2 O 2 colorimetric reaction… Show more
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