2026-10-19T04:52:21Zhttps://ebyu-rdlopen.rawdatalibrary.net/oai/request

oai:ebyu-rdlopen.rawdatalibrary.net:ebyu/147892026-10-18T20:39:12Zopenairedrivercom_ebyu_10000col_ebyu_10001

Characterization of a hybrid-smectite nanomaterial formed by immobilizing of N-pyridin-2-ylmethylsuccinamic acid onto (3- Aminopropyl)triethoxysilane modified smectite and its potentiometric sensor applicationTopcu, CihanCaglar, SemaCaglar, BulentColdur, FatihCubuk, OsmanSarp, GokhanGedik, KubraCirak, Burcu BozkurtTabak, AhmetAPTESChlorate sensorPowder x-ray diffractionSmectiteAmidesChemical bondsElectrophoretic mobilityFourier transform infrared spectroscopyGrafting (chemical)Nanostructured materialsPotentiometers (electric measuring instruments)SilanesThermoanalysisX ray diffraction3 aminopropyltriethoxysilaneAminopropyltriethoxysilaneCharacterization techniquesMorphological parametersPotentiometric responsePowder X ray diffractionSmectitesMoleculesA novel N-pyridin-2-ylmethylsuccinamic acid-functionalized smectite nanomaterial was synthesized by immobilizing of N-pyridin-2-ylmethylsuccinamic acid through chemical bonding onto (3- Aminopropyl)triethoxysilane modified smectite. The structural, thermal, morphological and surface properties of raw, silane-grafted and the N-pyridin-2-ylmethylsuccinamic acidfunctionalized smectites were investigated by various characterization techniques. The thermal analysis data showed the presence of peaks in the temperature range from 200 °C to 600 °C due to the presence of physically adsorbed silanes, intercalated silanes, surface grafted silanes and chemically grafted silane molecules between the smectite layers. The powder x-ray diffraction patterns clearly indicated that the aminopropyl molecules also intercalated into the smectite interlayers as bilayer arrangement whereas N-pyridin-2-ylmethylsuccinamic acid molecules were only attached to 3- Aminopropyltriethoxysilane molecules on the external surface and edges of clay and they did not intercalate. Fourier transform infrared spectroscopy confirms N-pyridin-2- ylmethylsuccinamic acid molecules bonding through the amide bond between the amine group of aminopropyltriethoxysilane molecules and a carboxylic acid functional group of N-pyridin-2- ylmethylsuccinamic acid molecules. The guest molecules functionalized onto the smectite caused significant alterations in the textural and morphological parameters of the raw smectite. The anchoring of N-pyridin-2-ylmethylsuccinamic acid molecules led to positive electrophoretic mobility values when compared to starting materials. N-pyridin-2-ylmethylsuccinamic acidfunctionalized smectite was employed as an electroactive ingredient in the structure of potentiometric PVC-membrane sensor. The sensor exhibited more selective potentiometric response towards chlorate ions compared to the other common anionic species. © 2016 Vietnam Academy of Science & Technology.IOP Publishing Ltd2016Articlehttps://rdlopen.rawdatalibrary.net/r/ebyu/14789https://doi.org/10.1088/2043-6262/7/3/0350122043-6262enAdvances in Natural Sciences: Nanoscience and Nanotechnologyinfo:eu-repo/semantics/openAccessinfo:eu-repo/semantics/articlehttps://ebyu-rdlopen.rawdatalibrary.net/tr/items/ebyu/14789