Synthesis of Ordered and Disordered Silicas with Uniform Pores on

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J. Am. Chem. Soc. 2001, 123, 1650-1657

Synthesis of Ordered and Disordered Silicas with Uniform Pores on the Border between Micropore and Mesopore Regions Using Short Double-Chain Surfactants Ryong Ryoo,*,† In-Soo Park,† Shinae Jun,† Chul Wee Lee,‡ Michal Kruk,§ and Mietek Jaroniec*,§ Contribution from the Department of Chemistry, School of Molecular Science-BK21, Korea AdVanced Institute of Science and Technology, Taejon 305-701, Korea, Industrial Catalysis Research Laboratory, Korea Research Institute of Chemical Technology, Taejon 305-606, Korea, and Department of Chemistry, Kent State UniVersity, Kent, Ohio 44242 ReceiVed October 31, 2000

Abstract: Silica molecular sieves with uniform pores on the borderline between micropore (diameter