Preparation and Characterization of Mesostructured γ-Manganese

Sep 18, 2008 - Toyota Central R&D Laboratories Inc., Nagakute, Aichi 480-1192, Japan, and Indian Institute of Petroleum, Dehradun 248005, India. J. Ph...
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16028

J. Phys. Chem. C 2008, 112, 16028–16035

Preparation and Characterization of Mesostructured γ-Manganese Oxide and Its Application to VOCs Elimination A. K. Sinha,* K. Suzuki, M. Takahara, H. Azuma, T. Nonaka, N. Suzuki, and N. Takahashi Toyota Central R&D Laboratories Inc., Nagakute, Aichi 480-1192, Japan, and Indian Institute of Petroleum, Dehradun 248005, India ReceiVed: June 13, 2008; ReVised Manuscript ReceiVed: July 23, 2008

Mesoporous manganese oxide was prepared by using a straightforward, template-assisted method. The resulting material was crystalline and of uniform pore diameter. The material was characterized by HR-TEM, HRSEM, XRD, XPS, and EXAF-XANES, and pore size distributions were calculated from nitrogen sorption studies. These materials with very high surface area of 316 m2/g have a novel hierarchical structure with spherical particles (