2024-03-28T17:27:36Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/1642552020-05-28T13:37:31Zcom_10261_5063com_10261_5col_10261_5066
DIGITAL.CSIC
author
Pérez-Rentero, Sonia
author
Eritja Casadellà, Ramón
author
Häring, Marleen
author
Saldías, César
author
Díaz Díaz, David
funder
Ministerio de Economía y Competitividad (España)
funder
Generalitat de Catalunya
funder
Instituto de Salud Carlos III
funder
University of Regensburg
funder
European Commission
2018-04-27T06:52:20Z
2018-04-27T06:52:20Z
2018-04-26
Applied Sciences 8(5): 671 (2018)
http://hdl.handle.net/10261/164255
10.3390/app8050671
http://dx.doi.org/10.13039/501100003329http://dx.doi.org/10.13039/501100005626http://dx.doi.org/10.13039/501100004587http://dx.doi.org/10.13039/501100002809http://dx.doi.org/10.13039/501100000780
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.
eng
openAccess
Tetrathiafulvalene
Triglycyl peptide
Self-assembly
Organogel
Synthesis, Characterization, and Self-Assembly of a Tetrathiafulvalene (TTF)–Triglycyl Derivative
artículo
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URL
https://digital.csic.es/bitstream/10261/164255/1/Synthesis%2c%20Characterization%2c%20and%20Self-Assembly.pdf
File
MD5
63eb77d9e7211178418a1dffd80401be
2549247
application/pdf
Synthesis, Characterization, and Self-Assembly.pdf