A vacuum ultraviolet photoionization study on high-temperature decomposition of JP-10 (exo-tetrahydrodicyclopentadiene)

Physical Chemistry Chemical Physics : PCCP
Long ZhaoJiabiao Zou

Abstract

Two sets of experiments were performed to unravel the high-temperature pyrolysis of tricyclo[5.2.1.02,6] decane (JP-10) exploiting high-temperature reactors over a temperature range of 1100 K to 1600 K, Advanced Light Source (ALS), and 927 K to 1083 K, National Synchrotron Radiation Laboratory (NSRL), with residence times of a few tens of microseconds (ALS) to typically 144 ms (NSRL). The products were identified in situ in supersonic molecular beams via single photon vacuum ultraviolet (VUV) photoionization coupled with mass spectroscopic detection in a reflectron time-of-flight mass spectrometer (ReTOF). These studies were designed to probe the initial (ALS) and also higher order reaction products (NSRL) formed in the decomposition of JP-10 - including radicals and thermally labile closed-shell species. Altogether 43 products were detected and quantified including C1-C4 alkenes, dienes, C3-C4 cumulenes, alkynes, eneynes, diynes, cycloalkenes, cyclo-dienes, aromatic molecules, and most importantly, radicals such as ethyl, allyl, and methyl produced at shorter residence times. At longer residence times, the predominant fragments were molecular hydrogen (H2), ethylene (C2H4), propene (C3H6), cyclopentadiene (C5H6), cyclopentene ...Continue Reading

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Citations

Oct 27, 2017·Physical Chemistry Chemical Physics : PCCP·Isaac A RamphalDaniel M Neumark
Feb 14, 2019·The Journal of Physical Chemistry. a·Alexander N Morozov, Alexander M Mebel
Sep 10, 2019·The Journal of Physical Chemistry Letters·Michael LucasRalf I Kaiser
Jun 14, 2019·The Journal of Physical Chemistry. a·Kacee L CasterF Goulay

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