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Letter

Nature Materials 8, 217–222 (1 March 2009) | doi:10.1038/nmat2381

Mesoporous germanium-rich chalcogenido frameworks with highly polarizable surfaces and|[nbsp]|relevance to gas separation

Gerasimos S. Armatas & Mercouri G. Kanatzidis

Mesoporous materials with tunable non-oxidic framework compositions can exhibit new kinds of functionality including internal surfaces with high polarizability. As the chemical and physical characteristics of the framework components can induce useful catalytic, absorption and optoelectronic features, the mesoporous structure can promote fast mass diffusion kinetics and size-selective transport of guest molecules.