Synthesis, Characterization, and Photo-Physical Properties of Dendrimers Modified With 1,8-Naphthalimide Derivatives as Novel Fluorescent pH Sensors
作者： Mohammad Dodangeh , Kamaladin Gharanjig , Mokhtar Arami
DOI: 10.1109/JSEN.2014.2319293
关键词:
摘要: This paper reports the synthesis, characterization, application, and photo-physical properties of a novel polyamidoamine zero generation dendrimer (G0) modified with two derivatives 1,8-naphthalimide. The chemical structures synthesized dendrimers were confirmed using FTIR, 1 HNMR, 13 CNMR, UV-Vis, DSC techniques. investigated in various organic solvents having different polarity: N, N-dimethylformamide (DMF), methanol, ethanol, acetone, 1,4-dioxane, water/DMF (4:1, v/v) solutions. results showed that property is dependent on nature substituent at C-4 position 1,8-naphthalimide molecule polarity solvent. quantum yield fluorescence compounds revealed photo-induced electron transfer proceeding from core to naphthalimide-fluorophore located its periphery. A positive solvatochromism was obtained for all dependence substitutions has also been observed. Two denderimers naphthalimide examined as pH sensor their functioning analyzed. indicated that, 4-amino (acetylamino)-1,8-naphthalimide have potential being sensor.
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