Three‐Dimensional Structure of Large‐Pore Mesoporous Cubic  Ia  $\bar 3$  d  Silica with Complementary Pores and Its Carbon Replica by Electron Crystallography | Zendy

Sakamoto Yasuhiro | Zendy; Kim TaeWan | Zendy; Ryoo Ryong | Zendy; Terasaki Osamu | Zendy

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Three‐Dimensional Structure of Large‐Pore Mesoporous Cubic Ia $\bar 3$ d Silica with Complementary Pores and Its Carbon Replica by Electron Crystallography

Author(s) -

Sakamoto Yasuhiro,

Kim TaeWan,

Ryoo Ryong,

Terasaki Osamu

Publication year - 2004

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200460449

Subject(s) - replica , mesoporous material , copolymer , bar (unit) , crystallography , mesoporous silica , materials science , crystal structure , carbon fibers , enantiomer , nanotechnology , chemistry , physics , stereochemistry , organic chemistry , composite material , composite number , art , polymer , visual arts , catalysis , meteorology

A bicontinuous cubic structure was revealed by electron crystallography on a large‐pore mesoporous silica with a cubic Ia $\bar 3$ d symmetry synthesized by using a triblock copolymer as a structure‐directing agent. Its reconstructed structure (picture, left) is composed of an enantiomeric pair of interwoven three‐dimensional mesoporous networks. Ordered complementary pores form interconnections between the two main channel systems at a special flat point of the G‐surface (right).

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