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DOE OSTI · 1021476

Phosphazenes (2010)

Stewart, Frederick F
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Abstract

A review of the literature published in 2009 shows an increase in the number of publications addressing phosphazene chemistry over 2008, which suggests a continued strong interest in these intriguing materials. Prominently is the emphasis in the bioactive and biocompatible nature of these materials; although many other applications also exist. Phosphazenes are formed from a phosphorus and nitrogen backbone with pendant group attachments at phosphorus. Typically, they are drawn with alternating single and double bonds between the alternating phosphorus and nitrogen atoms. However, unlike the familiar poly(acetylenes) or poly(thiophenes), the phosphazene backbone is not electrically conductive as there are orbital nodes at phosphorus. Thus, electron delocalization occurs between phosphorus atoms, but not through them. The result of this bonding is a highly flexible backbone that can be controlled through adoit pendant group attachment revealing numerous materials and structures. In this review, novel aspects of the chemistry, structure, and applications of phosphazenes will be discussed.

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37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRYATOMSBONDINGCHEMISTRYcyclotriphosphazeneDOUBLE BONDSELECTRONSNITROGENphosphazenePHOSPHORUSpolyphosphazenereview

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Stewart, Frederick F. 2010-12-01. Phosphazenes (2010). https://doi.org/10.1039/9781849730839-00308

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