Comprehensive Kinetics of Hydrolysis of Organotriethoxysilanes by 29Si NMR

Autor: Julián Garrido, Paula Moriones, Gurutze Arzamendi, Jesús C. Echeverría, Alfonso Cornejo

Publikováno v: The Journal of Physical Chemistry A. 123:10364-10371

The kinetics of several representative hybrid precursors were studied via 29Si NMR: three alkyl precursors, methyltriethoxysilane, ethyltriethoxysilane, and propyltriethoxysilane; as well as two un...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ac0f254c114ec6a33cf5ddb2b8cddd18
https://doi.org/10.1021/acs.jpca.9b08910

Kinetics of the acid-catalyzed hydrolysis of tetraethoxysilane (TEOS) by 29Si NMR spectroscopy and mathematical modeling

Autor: Paula Moriones, G. Arzamendi, Jesús C. Echeverría, Alfonso Cornejo, Julián Garrido, Víctor Martínez-Merino, María J. Gil

Publikováno v: Journal of Sol-Gel Science and Technology. 86:316-328

Tetraethoxysilane (TEOS) is widely used to synthesize siliceous material by the sol–gel process. However, there is still some disagreement about the nature of the limiting step in the hydrolysis and condensation reactions. The goal of this research

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::29990b827ae0a4f9583d1c9274283771
https://doi.org/10.1007/s10971-018-4637-7

Fiber optic sensors based on hybrid phenyl-silica xerogel films to detect n-hexane: determination of the isosteric enthalpy of adsorption

Autor: Paula Moriones, Jesús C. Echeverría, Julián Garrido, Ignacio Calleja

Publikováno v: Beilstein Journal of Nanotechnology, Vol 8, Iss 1, Pp 475-484 (2017)
Academica-e: Repositorio Institucional de la Universidad Pública de Navarra
Universidad Pública de Navarra
Academica-e. Repositorio Institucional de la Universidad Pública de Navarra
instname

We investigated the response of three fiber optic sensing elements prepared at pH 10 from phenyltriethoxysilane (PhTEOS) and tetraethylsilane (TEOS) mixtures with 30, 40, and 50% PhTEOS in the silicon precursor mixture. The sensing elements are refer

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::23f838dc04d16fc2d8fbe19ad48f807a
https://doi.org/10.3762/bjnano.8.51

Ethyl group as matrix modifier and inducer of ordered domains in hybrid xerogels synthesised in acidic media using ethyltriethoxysilane (ETEOS) and tetraethoxysilane (TEOS) as precursors

Autor: Asunción Luquin, Mariano Laguna, Jesús C. Echeverría, Xabier Rios, Paula Moriones, Julián Garrido

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
instname

Hybrid silica xerogels favourably combine the properties of organic and inorganic components in one material; consequently these materials are useful for multiple applications. The versatility and mild synthetic conditions provided by the sol-gel pro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8d6ee5c47dd257c2a6feae440ed151d1
https://doi.org/10.1016/j.matchemphys.2013.04.042

Hybrid organic–inorganic phenyl stationary phases for the gas separation of organic binary mixtures

Autor: Jesús C. Echeverría, João Pires, Paula Moriones, Moisés L. Pinto, Xabier Rios, Julián Garrido

Publikováno v: Colloids and Surfaces A: Physicochemical and Engineering Aspects. 389:69-75

Organic–inorganic hybrid silica xerogels are versatile materials that can be used in the separation/purification of gases and vapours. In the present study, hybrid xerogels were synthesised at pH 10 using phenyltriethoxysilane (PhTEOS) and tetraeth

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7126e669c1ea25aadba59ed5e908fc14
https://doi.org/10.1016/j.colsurfa.2011.08.049