Synthesis, Properties, and Derivatization of Poly(dihydrogermane): A Germanium-Based Polyethylene Analogue.
basic_science · Level V
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- Record sourced from PubMed, PMID 33861576.
- Also identified by DOI 10.1021/acsnano.0c09725.
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Abstract
Polygermanes are germanium-based analogues of polyolefins and possess polymer backbones made up catenated Ge atoms. In the present contribution we report the preparation of a germanium polyethylene analogue, polydihydrogermane (GeH<sub>2</sub>)<sub><i>n</i></sub>, via two straightforward approaches that involve topotactic deintercalation of Ca ions from the CaGe Zintl phase. The resulting (GeH<sub>2</sub>)<sub><i>n</i></sub> possesses morphologically dependent chemical and electronic properties and thermally decomposes to yield amorphous hydrogenated Ge. We also show that the resulting (GeH<sub>2</sub>)<sub><i>n</i></sub> provides a platform from which functionalized polygermanes can be prepared via thermally induced hydrogermylation-mediated pendant group substitution.