| Title |
Vibrational spectroscopy of innovative functional materials: aggregates, conformational and dynamic processes / |
| Translation of Title |
Inovatyviųjų funkcinių medžiagų agregatų, konformacinių ir dinaminių vyksmų virpesinė spektrometrija. |
| Authors |
Kausteklis, Jonas |
| Full Text |
|
| Pages |
260 |
| Keywords [eng] |
Functional materials ; vibrational spectroscopy ; hydrogen bond |
| Abstract [eng] |
Materials which have particular physico-chemical properties and a unique structure which allows them to be used for a specific function are called functional materials. The development of technology and the application of these materials aims to preserve their valuable properties and structures under different environmental conditions. Many different methods are used to study such materials, providing information on the structure of the materials, possible interactions with impurities, and phase transitions. Hydrogen bonding is one of the main interactions determining the formation, conformational and dynamic processes of ionic liquids, calcium hydroxyapatites and aqueous mixtures thereof. Vibrational spectroscopy techniques are particularly sensitive to structural changes due to the formation or destruction of hydrogen bonding. The dissertation deals with the change of spectral parameters during structural changes and phase changes in functional materials and their aqueous mixtures. Changes in Raman spectral parameters have been found to identify the liquid crystalline ionogel phases and \"water pockets\" formed in ionic liquid-water mixtures. Structural differences of hydroxyl groups in nanostructured calcium hydroxyapatites synthesized by sol-gel method using different complexing agents were investigated for the first time by vibrational spectroscopy. |
| Dissertation Institution |
Vilniaus universitetas. |
| Type |
Doctoral thesis |
| Language |
English |
| Publication date |
2019 |
