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Samarium oxide nanoparticles (Sm2O3NP) were prepared photochemically for the first time. Characterization shows spherical, polydisperse Sm2O3NP stabilized by 4-HEBA, a substituted benzoic acid. The Sm2O3NP also possess Bronsted acidity. This new material may prove to be a potent heterogeneous acid catalyst.
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Hodgson et al. (2014) studied this question.
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