Novel 2-alkoxy- and 2-alkylthio-substituted pyrimidines containing 2-(1-methyl-1H-pyrrol-2-yl)vinyl moieties: optical and electrochemical propertiesстатья
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Дата последнего поиска статьи во внешних источниках: 18 мая 2022 г.
Аннотация:A series of novel Y-shaped dyes bearing the D–ppp–A–ppp–D fragment comprising central 2-alkoxy- or 2-alkylthio-sub stituted pyri midine core and terminal 2-(1-methyl-1H-pyrrol-2-yl)vinyl moieties have been synthesized and studied as potential materials for the organic electronics. The obtained compounds demonstrated an efficient absorption at ~410 nm with the high molar absorption coefficient (29 790–40 620 dm3 mol–1 cm–1) and fluorescence emission at ~480 nm (FFFF ~ 7.5–8.6%). Thin films of 2-ethyloxy- or 2-ethylthiopyrimidines exhibited the red-shifted photoluminescence (~600 nm).