Mesostructured non-oxidic solids with adjustable worm-hole shaped pores: M-Ge-Q (Q = S, Se) frameworks based on tetrahedral [Ge4Q10]4- clusters

Michael Wachhold, K. Kasthuri Rangan, Simon J.L. Billinge, Valeri Petkov, Joy Heising, Mercouri G. Kanatzidis

Research output: Contribution to journalArticlepeer-review

44 Scopus citations

Abstract

A new class of mesostructured semiconducting materials, M-Ge-Q (Q = S,Se) were synthesized and characterized. The materials possess an amorphous, three-dimensional framework structure in which simple adamante clusters are the basic building blocks. The application of formamide led to a hexagonally ordered pore structure and a different stoichiometry, whereas, H2O/alcohol mixtures favored disordered pore structure with worm-hole character. All compounds are wide bandgap semiconductors, the Se phases showing lower values than the sulfide analogs.

Original languageEnglish
Pages (from-to)85-91
Number of pages7
JournalAdvanced Materials
Volume12
Issue number2
DOIs
StatePublished - 2000

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