Photochemistry within Compressed Sodium Azide
Journal Article
·
· Journal of Physical Chemistry. C
- Carnegie Inst. of Washington, Washington, DC (United States); Howard Univ., Washington, D.C. (United States)
- Carnegie Inst. of Washington, Washington, DC (United States); Siberian Branch Russian Academy of Sciences, Novosibirsk (Russia)
- Carnegie Inst. of Washington, Washington, DC (United States)
Synthesis of high nitrogen containing materials has been the subject of research interest for use as alternative clean sources of fuel and explosives. Here we present experimental evidence for the photochemical synthesis of new energetic materials from sodium azide (NaN3) at 4.8–8.1 GPa. We show that excitation into the conduction band generates color centers within the compressed α-NaN3 phase lattice with minimal or no molecular N2 evolution. Photochemical changes to the sample were monitored by X-ray diffraction (XRD), infrared (IR) absorption, and Raman spectroscopy. Furthermore, these high pressure products were found to be stable upon decompression at 300 K down to 1.6 GPa, although it is suspected that the material can be recoverable to ambient pressure with cold decompression.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- National Natural Science Foundation of China; National Science Foundation; USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
- Grant/Contract Number:
- AC02-06CH11357; FG02-94ER14466
- OSTI ID:
- 1355037
- Journal Information:
- Journal of Physical Chemistry. C, Journal Name: Journal of Physical Chemistry. C Journal Issue: 49 Vol. 120; ISSN 1932-7447
- Publisher:
- American Chemical SocietyCopyright Statement
- Country of Publication:
- United States
- Language:
- ENGLISH
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