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Published online by Cambridge University Press: 01 February 2011
Hydrothermal syntheses and structural characterizations of some new open framework chalcogenides are described here. Open framework sulfides are often formed with supertetrahedral clusters as the basic structural building units, but it is demonstrated here that non-cluster based open framework sulfides can also be prepared. Selenides and tellurides have a stronger tendency to form non-cluster based materials. In some cases, it is possible to make materials in which the inorganic framework consists of at least two chalcogen atoms. Such a compositional diversity makes it feasible to tune structural, electronic, and optical properties.