Influences of Carbon-Chain Length of Surfactants on Mesoporous Manganese Oxides

Jian Min Zhang; Heng Li; Wei Hua Chen

doi:10.4028/www.scientific.net/AMR.512-515.1647

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 512-515Influences of Carbon-Chain Length of Surfactants...

Influences of Carbon-Chain Length of Surfactants on Mesoporous Manganese Oxides

Abstract:

Three kinds of mesoporous manganese oxides were prepared successfully via a simple hydrothermal method, using dodecyltrimethylammonium bromide (DTAB), cetyltrimethyl- ammonium bromide(CTAB) and octadecyltrimethyl ammonium bromide(OTAB) as structure directing agents, respectively. The as-synthesized samples were characterized by X-ray diffraction(XRD) and Brunauer -Emmett-Teller(BET)．The experimental results show that the carbon-chain length of surfactants have influences on not only crystal structure and metal valence, but also specific surface area and pore size of the as-prepared materials. The specific surface areas are 60 m²•g^-1, 25 m²•g^-1, 7 m²•g^-1，and the pore sizes are 4 nm，7 nm, 13 nm for the three kinds of mesoporous materials prepared using structure directing agents DTAB, CTAB, and OTAB, respectively.

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Periodical:

Advanced Materials Research (Volumes 512-515)

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1647-1650

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.512-515.1647

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Online since:

May 2012

Authors:

Jian Min Zhang, Heng Li, Wei Hua Chen

Keywords:

Hydrothermal Method, Manganese Dioxide, Mesoporous Material

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