Sonication-Induced, Solvent-Selective Gelation of a 1,8-Napthalimide-Conjugated Amide: Structural Insights and Pollutant Removal Applications

Apurba Pramanik, Basil Raju Karimadom, Haya Kornweitz, Mindy Levine

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Reported herein is the synthesis, characterization, and dye removal applications of a highly solvent-selective organogel-forming amide, compound 1, which contains a 1,8-naphthalmide moiety, flexiblen-hexyl chain, and benzene ring. This compound displayed remarkable solvent selectivity, with gel formation occurring only in the presence of alkylated aromatic solvents. Detailed structural characterization of the gels, combined with notable theoretical insights, is invoked to explain the highly selective gelation properties of compound 1, as is a comparison to non-gel forming structural isomer2, which contains the same structural elements in a different arrangement. Finally, the ability of the gel derived from compound 1to act as a reusable material for the efficient removal of cationic organic dyes from contaminated aqueous environments is also reported, with up to 11 repeated uses of the gel still maintaining the ability to effectively remove Rhodamine B.

Original languageEnglish
Pages (from-to)32722-32729
Number of pages8
JournalACS Omega
Volume6
Issue number48
DOIs
StatePublished - 7 Dec 2021

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