Journal
NATURE COMMUNICATIONS
Volume 9, Issue -, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/s41467-017-02735-2
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Funding
- Deutsche Forschungsgemeinschaft (DFG)
- Fonds der Chemischen Industrie
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The storage of metastable compounds and modifications of elements are of great interest for synthesis and other, e.g., semiconductor, applications. Whereas white phosphorus is a metastable modification that can be stored under certain conditions, storage of the extremely (light- and air-) sensitive form of arsenic, yellow arsenic, is a challenge rarely tackled so far. Herein, we report on the facile storage and release of these tetrahedral E-4 molecules (E = P, As) using activated carbon as a porous storage material. These loaded materials are air-and light-stable and have been comprehensively characterized by solid-state P-31{H-1} MAS NMR spectroscopy, powder X-ray diffraction analysis, nitrogen adsorption measurements, and thermogravimetric analysis. Additionally, we show that these materials can be used as a suitable E-4 source for releasing intact white phosphorus or yellow arsenic, enabling subsequent reactions in solution. Because the uptake and release of E-4 are reversible, these materials are excellent carriers of these highly reactive modifications.
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