D-Sorbitol, a structurally simple, low molecular-mass gelator

Scilla Grassi, Emiliano Carretti, Luigi Dei, Charles W. Branham, Bart Kahr, Richard G. Weiss

Research output: Contribution to journalArticlepeer-review

Abstract

A comprehensive examination of the ethanol gels produced with d-sorbitol, one of the simplest and lowest mass organogelator molecules known, is reported. Data from several spectroscopic and structural experiments reveal that the nature of the self-assembled fibrillar assemblies, spherulites for the most part, depends acutely on the manner in which the sol phase is treated. The critical concentration to form a gel at room temperature is ca. 1.5 wt% and a plateau value for melting the gels, ca. 50 °C, is reached near 3.5 wt%. Ostwald ripening, whose rate, again, depends on the history of the preparation, was also observed.

Original languageEnglish (US)
Pages (from-to)445-452
Number of pages8
JournalNew Journal of Chemistry
Volume35
Issue number2
DOIs
StatePublished - Feb 2011

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Materials Chemistry

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