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Título: | Synthesis, Characterization, and Self-Assembly of a Tetrathiafulvalene (TTF)–Triglycyl Derivative |
Autor: | Pérez-Rentero, Sonia CSIC ORCID; Eritja Casadellà, Ramón CSIC ORCID ; Häring, Marleen; Saldías, César; Díaz Díaz, David CSIC ORCID | Palabras clave: | Tetrathiafulvalene Triglycyl peptide Self-assembly Organogel |
Fecha de publicación: | 26-abr-2018 | Editor: | Molecular Diversity Preservation International | Citación: | Applied Sciences 8(5): 671 (2018) | Resumen: | In this work, we describe the synthesis, characterization, and self-assembly properties of a new tetrathiafulvalene (TTF)–triglycyl low-molecular-weight (LMW) gelator. Supramolecular organogels were obtained in various solvents via a heating–cooling cycle. Critical gelation concentrations (CGC) (range ≈ 5–50 g/L) and thermal gel-to-sol transition temperatures (Tgel) (range ≈ 36–51 °C) were determined for each gel. Fourier transform infrared (FT-IR) spectroscopy suggested that the gelator is also aggregated in its solid state via a similar hydrogen-bonding pattern. The fibrillar microstructure and viscoelastic properties of selected gels were demonstrated by means of field-emission electron microscopy (FE-SEM) and rheological measurements. As expected, exposure of a model xerogel to I2 vapor caused the oxidation of the TTF unit as confirmed by UV-vis-NIR analysis. However, FT-IR spectroscopy showed that the oxidation was accompanied with concurrent alteration of the hydrogen-bonded network. | Versión del editor: | http://dx.doi.org/10.3390/app8050671 | URI: | http://hdl.handle.net/10261/164255 | DOI: | 10.3390/app8050671 |
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Synthesis, Characterization, and Self-Assembly.pdf | 2,49 MB | Adobe PDF | Visualizar/Abrir |
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