SYNTHESIS AND CHARACTERIZATION OF A NOVEL SENSOR FOR NITROAROMATIC MOLECULES

1 online resource (64 pages) : PDF

2019

University of North Carolina at Charlotte

New conjugated spirosilabifluorene networks have been synthesized and characterized. They exhibit high surface areas, negligible solubility, broad chemical stability, and bright fluorescence. The materials have been analyzed as potential sensors for nitroaromatic compounds. The fluorescence of the condensed networks is quenched in the presence of picric acid (1-hydroxy-2,4,6-trinitrobenzene), nitrobenzene, and other nitroaromatics. Stern-Volmer quenching studies indicate the quenching can be modeled accurately with adsorption isotherm models incorporating a surface binding affinity heterogeneity. Results show a significant sensitivity toward nitroaromatic compounds comparable to known literature, as well as an improvement in picric acid sensitivity.

masters theses

Chemistry, Organic
Chemistry
Polymers

M.S.

Fluorescence
Nitroaromatic
Polymer
Silaspirobifluorene
Spirobilfluorene
Stern-Volmer

Chemistry

Schmedake, Thomas

Etzkorn, Markus
Bejger, Christopher
Grdzelishvili, Valery

Thesis (M.S.)--University of North Carolina at Charlotte, 2019.

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Nesmelov_uncc_0694N_12230

http://hdl.handle.net/20.500.13093/etd:2214