Effect of surfactant/water ratio and reagents' concentration on size distribution of manganese carbonate nanoparticles synthesized by microemulsion mediated route

Giuseppe Granata, Francesca Pagnanelli*, Daisuke Nishio-Hamane, Takehiko Sasaki

*この研究の対応する著者

    研究成果: Article査読

    15 被引用数 (Scopus)

    抄録

    Abstract In this work nanoparticles of manganese carbonate were produced by microemulsion-mediated route at room temperature, without any post-thermal treatment. All produced samples were characterized by XRD and by TEM and obtained images were analyzed in order to evaluate particle size distribution, mean size and polydispersity (variance). The influence of water-surfactant molar ratio and concentration of reagents were investigated in the range 5-7.5 and 0.25-1.0 M, respectively, according to factorial design. Significant effects on particle mean size and polydispersity were assessed by statistical analysis. Results showed that by increasing the water-surfactant molar ratio from 5 to 7.5, the average particle size increased from less than 10 nm to around 100 nm, and the standard deviation increased from less than 5 nm to 35 nm. Statistical analysis put in evidence that water-surfactant molar ratio has significant positive effect on both mean and variance of particle size. Concentration of reactants, in the investigated range, did not influence mean size of particles, while significant changes of variance were observed: passing from 0.25 to 1 M concentration, variances of particle size increased for w = 5 and for w = 6.25, while decreased for w = 7.5.

    本文言語English
    論文番号29538
    ページ(範囲)463-471
    ページ数9
    ジャーナルApplied Surface Science
    331
    DOI
    出版ステータスPublished - 2015 3 15

    ASJC Scopus subject areas

    • 表面、皮膜および薄膜

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