{"id":319,"date":"2017-02-27T11:18:39","date_gmt":"2017-02-27T10:18:39","guid":{"rendered":"http:\/\/www.uach.sav.sk\/sk1\/?page_id=319"},"modified":"2023-11-08T21:29:50","modified_gmt":"2023-11-08T20:29:50","slug":"vega-skoncene","status":"publish","type":"page","link":"https:\/\/uach.sav.sk\/sk\/veda-a-vyskum\/projekty\/vega-skoncene\/","title":{"rendered":"VEGA &#8211; skon\u010den\u00e9"},"content":{"rendered":"<p><script type=\"text\/javascript\">\/\/ <![CDATA[\nfunction toggle(element){document.getElementById(element).style.display=(document.getElementById(element).style.display==\"none\")?\"\":\"none\";}\n\/\/ ]]><\/script><\/p>\n<table class='project_list'>\n<tr>\n<td colspan='2'>Fluoridov\u00e9 taveninov\u00e9 syst\u00e9my pre zelen\u00fa v\u00fdrobu hlin\u00edka bez produkcie CO2 <\/td>\n<\/tr>\n<tr>\n<td colspan='2'>Molten fluoride systems for green production of aluminium without CO2 emissions<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>VEGA<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>Ing. \u0160imko Franti\u0161ek, PhD.<\/td>\n<\/tr>\n<tr>\n<td><a href=\"javascript:toggle('show1')\">Anot\u00e1cia:<\/a><\/td>\n<td><span id=\"show1\" style=\"display: none;\">Predkladan\u00fd projekt je zameran\u00fd na komplexn\u00fa f\u00e1zov\u00fa a fyzik\u00e1lno-chemick\u00fa anal\u00fdzu viaczlo\u017ekov\u00fdch syst\u00e9mov nMF\u2212AlF3 (M=Na,K; n=3-1,2) s pr\u00eddavkom oxidov kovov Al, Fe a Ni, kde zl\u00fa\u010deniny na b\u00e1ze Fe a Ni predstavuj\u00fa kor\u00f3zne produkty z pou\u017eitia inertn\u00fdch an\u00f3d pri v\u00fdrobe hlin\u00edka bez produkcie CO2. Ide o tzv. n\u00edzko teplotn\u00e9 elektrolyty, ktor\u00fdch v\u00fdskum v poslednej dobe vzr\u00e1stol s v\u00fdvojom inertn\u00fdch an\u00f3d. Cie\u013eom projektu bude definova\u0165 rozpustnos\u0165 oxidov\/spinelov, f\u00e1zov\u00e9 zlo\u017eenie syst\u00e9mov a identifikova\u0165 jednotliv\u00e9 zlo\u017eky, vznikaj\u00face pri ich interakcii s elektrolytom. Tieto syst\u00e9my sa bud\u00fa \u0161tudova\u0165 s cie\u013eom zisti\u0165 z\u00e1vislos\u0165 medzi \u0161trukt\u00farou a ich fyzik\u00e1lnochemick\u00fdm spr\u00e1van\u00edm. Vyu\u017eije sa multidisciplin\u00e1rny pr\u00edstup, ktor\u00fd bude zahr\u0148ova\u0165 pou\u017eitie difrak\u010dn\u00fdch a spektr\u00e1lnych met\u00f3d priamo in-situ v roztavenom stave, v spojen\u00ed s ex-post anal\u00fdzou zatuhnut\u00fdch vzoriek a fyzik\u00e1lnochemick\u00e1 anal\u00fdza vysokoteplotn\u00fdch taveninov\u00fdch syst\u00e9mov.<\/span><\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td>1.1.2022 &#8211; 31.12.2025<\/td>\n<\/tr>\n<\/table>\n<table class='project_list'>\n<tr>\n<td colspan='2'>Elektromagnetick\u00e9 tienenie funk\u010dne gradientn\u00fdch vrstevnat\u00fdch kompozitov na b\u00e1ze SiC s pr\u00eddavkom graf\u00e9nu a uhl\u00edkov\u00fdch nanor\u00farok<\/td>\n<\/tr>\n<tr>\n<td colspan='2'>Electromagnetic shielding properties of functionally graded layered SiC-graphene and SiC-carbon nanotubes composites<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>VEGA<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>Ing. Hanzel Ondrej, PhD.<\/td>\n<\/tr>\n<tr>\n<td><a href=\"javascript:toggle('show2')\">Anot\u00e1cia:<\/a><\/td>\n<td><span id=\"show2\" style=\"display: none;\">Cie\u013eom projektu je pr\u00edprava vrstevnat\u00fdch kompozitn\u00fdch materi\u00e1lov na b\u00e1ze SiC-uhl\u00edkov\u00e9 nano\u0161trukt\u00fary svysokou efektivitou elektromagnetick\u00e9ho tienenia. V\u00fdskum bude zameran\u00fd na \u0161t\u00fadium vplyvu pr\u00eddavkov uhl\u00edkov\u00fdch nano\u0161trukt\u00far (graf\u00e9nov\u00fdch nanoplatni\u010diek a uhl\u00edkov\u00fdch nanor\u00farok) do SiC matrice a usporiadania funk\u010dn\u00fdch vrstiev na efekt\u00edvnos\u0165 elektromagnetick\u00e9ho tienenia a funk\u010dn\u00e9 vlastnosti kompozitov. Na dosiahnutie cie\u013eov projektu je nevyhnutn\u00fd v\u00fdskum zameran\u00fd na pr\u00edpravu kompozitn\u00fdch granulovan\u00fdch pr\u00e1\u0161kov s homog\u00e9nnou distrib\u00faciou graf\u00e9nov\u00fdch nanoplatni\u010diek (GNPs) a uhl\u00edkov\u00fdch nanor\u00farok (CNTs), a ich n\u00e1sledn\u00e9ho efekt\u00edvneho spekania. V pr\u00edpade vrstevnat\u00fdch materi\u00e1lov s gradientn\u00fdm obsahom uhl\u00edkov\u00fdch nano\u0161trukt\u00far bude potrebn\u00e9 optimalizova\u0165 usporiadanie vrstiev a ich zlo\u017eenie, s d\u00f4razom na \u010do najvy\u0161\u0161iu efektivitu elektromagnetick\u00e9ho tienenia. Okrem toho takto pripraven\u00e9 materi\u00e1ly bud\u00fa sk\u00faman\u00e9 aj z poh\u013eadu funk\u010dn\u00fdch a mechanick\u00fdch vlastnost\u00ed.<\/span><\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td>1.1.2021 &#8211; 31.12.2024<\/td>\n<\/tr>\n<\/table>\n<table class='project_list'>\n<tr>\n<td colspan='2'>Hlinitano-kremi\u010ditanov\u00e9 sklen\u00e9 a sklokeramick\u00e9 materi\u00e1ly spevnen\u00e9 i\u00f3novou v\u00fdmenou a dodato\u010dn\u00fdmi funckionalitami<\/td>\n<\/tr>\n<tr>\n<td colspan='2'>Ion exchange strengthened aluminosilicate glass\/glass-ceramics with additional functionalities<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>VEGA<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>prof. Ing. Galusek Du\u0161an, DrSc.<\/td>\n<\/tr>\n<tr>\n<td><a href=\"javascript:toggle('show3')\">Anot\u00e1cia:<\/a><\/td>\n<td><span id=\"show3\" style=\"display: none;\">V s\u00fa\u010dasnosti sa transparentn\u00e1 polykry\u0161talick\u00e1 keramika (TPC) pou\u017e\u00edva v r\u00f4znych aplik\u00e1ci\u00e1ch, napr. tuh\u00fdchlaseroch, optoelektronike a pancierovan\u00ed. Jej v\u00fdroba je zvy\u010dajne n\u00e1ro\u010dn\u00e1 a vy\u017eaduje sofistikovan\u00e9 procesyspekania. TPC je mo\u017en\u00e9 nahradi\u0165 sklokeramikou, ktor\u00e1 sa \u013eah\u0161ie pripravuje, vyzna\u010duje sa v\u0161ak hor\u0161\u00edmimechanick\u00fdmi vlastnos\u0165ami. Predlo\u017een\u00fd projekt si kladie za cie\u013e zlep\u0161enie mechanick\u00fdch vlastnost\u00ed sklokeramikytechnol\u00f3giou i\u00f3novej v\u00fdmeny zn\u00e1mej najm\u00e4 v s\u00favislosti so spev\u0148ovan\u00edm be\u017en\u00fdch oxidov\u00fdch skiel (napr. Gorilaglass pou\u017e\u00edvan\u00e9ho v mobiln\u00fdch telef\u00f3noch). Mechanick\u00e9 pnutia na povrchu i\u00f3novo spevnenej keramikydopovanej vhodn\u00fdmi pr\u00edsadami umo\u017enia modifik\u00e1ciu aj \u010fal\u0161\u00edch jej vlastnost\u00ed, napr\u00edklad optick\u00fdch, v d\u00f4sledkuzmeny zlo\u017eenia sklenej matrice (chemick\u00e9ho okolia opticky akt\u00edvnych pr\u00edsad), alebo deform\u00e1cie koordina\u010dn\u00e9hopoly\u00e9dra opticky akt\u00edvnych i\u00f3nov. Pou\u017eitie i\u00f3nov striebra pri i\u00f3novej v\u00fdmene umo\u017en\u00ed vytvori\u0165sklen\u00e9\/sklokeramick\u00e9 povrchy s vysokou odolnos\u0165ou a antibakteri\u00e1lnymi \u00fa\u010dinkami.<\/span><\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td>1.1.2021 &#8211; 31.12.2024<\/td>\n<\/tr>\n<\/table>\n<table class='project_list'>\n<tr>\n<td colspan='2'>In-situ tvorba bioakt\u00edvneho funk\u010dne gradientn\u00e9ho nitridu kremi\u010dit\u00e9ho po\u010das spekania v elektrickom poli <\/td>\n<\/tr>\n<tr>\n<td colspan='2'>The in-situ formation of bioactive functionally graded silicon nitride by field assisted sintering<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>VEGA<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>Mgr. Tatarkov\u00e1 Monika, PhD.<\/td>\n<\/tr>\n<tr>\n<td><a href=\"javascript:toggle('show4')\">Anot\u00e1cia:<\/a><\/td>\n<td><span id=\"show4\" style=\"display: none;\">Predkladan\u00fd projekt navrhuje inovat\u00edvny pr\u00edstup k v\u00fdvoju novej funk\u010dne gradientnej biokeramiky na b\u00e1ze Si3N4, ktor\u00fd pozost\u00e1va zo spekania za asistencie elektrick\u00e9ho pr\u00fadu s n\u00e1sledn\u00fdm tepeln\u00fdm spracovan\u00edm povrchu oxyacetyl\u00e9nov\u00fdm plame\u0148om. Bude sa \u0161tudova\u0165 r\u00f4zne usporiadanie spekacej s\u00fastavy s cie\u013eom maximalizova\u0165 smerov\u00fd \u00fa\u010dinok elektrick\u00e9ho pr\u00fadu na migr\u00e1ciu bioakt\u00edvnych pr\u00edsad k jedn\u00e9mu z povrchov materi\u00e1lu. T\u00fdm sa zabezpe\u010d\u00ed tvorba Si3N4 biomateri\u00e1lu so s\u00favislou gradientnou \u0161trukt\u00farou priamo z jednej, homog\u00e9nnej pr\u00e1\u0161kovej zmesi. Bioaktivita materi\u00e1lu sa n\u00e1sledne zlep\u0161\u00ed p\u00f4soben\u00edm kysl\u00edkovo-acetyl\u00e9nov\u00e9ho plame\u0148a, pri\u010dom vznikne p\u00f3rovit\u00e1 vrstva s pr\u00edtomnos\u0165ou bioakt\u00edvnych pr\u00edsad. Navrhovan\u00fd pr\u00edstup po prv\u00fdkr\u00e1t zabezpe\u010d\u00ed vytvorenie s\u00favislej gradientnej \u0161trukt\u00fary in situ bez ak\u00fdchko\u013evek ostr\u00fdch rozhran\u00ed, ktor\u00e9 s\u00fa typick\u00e9 pre vrstevnat\u00fa keramiku a v\u00e4\u010d\u0161inou p\u00f4sobia ako koncentr\u00e1tory nap\u00e4tia. Projekt tie\u017e sk\u00fama vplyv gradientnej \u0161trukt\u00fary na mechanick\u00e9 a biologick\u00e9 vlastnosti nov\u00e9ho funk\u010dne gradientn\u00e9ho Si3N4.<\/span><\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td>1.1.2022 &#8211; 31.12.2024<\/td>\n<\/tr>\n<\/table>\n<table class='project_list'>\n<tr>\n<td colspan='2'>Luminofory s nulov\u00fdm teplotn\u00fdm zh\u00e1\u0161an\u00edm luminiscencie pre aplik\u00e1cie v pc-WLED s NUV excit\u00e1ciou <\/td>\n<\/tr>\n<tr>\n<td colspan='2'>Zero-thermal-quenching phosphors for NUV converted pc-WLEDs application<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>VEGA<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>prof. Ing. Galusek Du\u0161an, DrSc.<\/td>\n<\/tr>\n<tr>\n<td><a href=\"javascript:toggle('show5')\">Anot\u00e1cia:<\/a><\/td>\n<td><span id=\"show5\" style=\"display: none;\">Projekt sa zaober\u00e1 v\u00fdvojom nov\u00fdch typov luminoforov s nulov\u00fdm teplotn\u00fdm zh\u00e1\u0161an\u00edm luminiscencie pre aplik\u00e1cie v sveteln\u00fdch zdrojoch s vysok\u00fdm sveteln\u00fdm v\u00fdkonom (HB LED \u2013 high brightness LED) alebo laserov\u00fdch zdrojoch osvetlenia, zalo\u017een\u00fdch na konverzii excita\u010dn\u00e9ho \u017eiarenia LED \u010dipu v NUV spektr\u00e1lnej oblasti na vidite\u013en\u00e9 svetlo. Pripraven\u00e9 bud\u00fa fotoluminiscen\u010dn\u00e9 (PL) materi\u00e1ly vo forme pr\u00e1\u0161kov\/nano-pr\u00e1\u0161kov ako aj sklokry\u0161talick\u00e9 PiG (Phosphor in Glass) kompozity. Presk\u00faman\u00fd bude vplyv koncentr\u00e1cie aktiv\u00e1tora ako aj co-dopantu na intenzitu PL emisie luminoforov. Detailne pre\u0161tudovan\u00e9 bud\u00fa PL vlastnosti materi\u00e1lov dopovan\u00fdch najm\u00e4 i\u00f3nmi vz\u00e1cnych zem\u00edn a prechodn\u00fdch prvkov s d\u00f4razom na n\u00edzke a\u017e nulov\u00e9 teplotn\u00e9 zh\u00e1\u0161anie luminiscencie do teploty 250\u00b0C. Pozornos\u0165 bude venovan\u00e1 najm\u00e4 vz\u0165ahom medzi luminiscen\u010dn\u00fdmi vlastnos\u0165ami pripraven\u00fdch materi\u00e1lov a ich \u0161trukt\u00farou a morfol\u00f3giou.<\/span><\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td>1.1.2022 &#8211; 31.12.2024<\/td>\n<\/tr>\n<\/table>\n<table class='project_list'>\n<tr>\n<td colspan='2'>Pokrok vo v\u00fdpo\u010dte a interpret\u00e1cii spektroskopick\u00fdch parametrov zl\u00fa\u010den\u00edn \u0165a\u017ek\u00fdch prvkov<\/td>\n<\/tr>\n<tr>\n<td colspan='2'>Advancing in calculation and interpretation of spectroscopic parameters of heavy element compounds<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>VEGA<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>Dr. Malkin O\u013ega, DrSc.<\/td>\n<\/tr>\n<tr>\n<td><a href=\"javascript:toggle('show6')\">Anot\u00e1cia:<\/a><\/td>\n<td><span id=\"show6\" style=\"display: none;\">Projekt je venovan\u00fd \u010fal\u0161iemu rozvoju relativistick\u00fdch met\u00f3d na v\u00fdpo\u010det spektroskopick\u00fdch vlastnost\u00ed zl\u00fa\u010den\u00edn \u0165a\u017ek\u00fdch prvkov. V\u00fdvoj bude vych\u00e1dza\u0165 z programu DFT ReSpect (Relativistic Spectroscopy), ktor\u00fd je v s\u00fa\u010dasnosti podporovan\u00fd a vyv\u00edjan\u00fd v \u00fazkej spolupr\u00e1ci medzi \u00dastavom anorganickej ch\u00e9mie SAV a Univerzitou Tromso v N\u00f3rsku. V tomto projekte pl\u00e1nujeme roz\u0161\u00edri\u0165 existuj\u00facu mno\u017einu teoretick\u00fdch n\u00e1strojov na anal\u00fdzu a interpret\u00e1ciu spektroskopick\u00fdch parametrov paramagnetick\u00fdch zl\u00fa\u010den\u00edn s d\u00f4razom na pou\u017eitie lokalizovan\u00fdch molekul\u00e1rnych orbit\u00e1lov v r\u00e1mci 4-komponentnej nekoline\u00e1rnej DFT te\u00f3rie. Druh\u00fdm n\u00e1ro\u010dn\u00fdm cie\u013eom je roz\u0161\u00edri\u0165 s\u00fabor spektroskopick\u00fdch vlastnost\u00ed implementovan\u00fdch v programe ReSpect. T\u00e1to \u00faloha bude zah\u0155\u0148a\u0165 v\u00fdvoj a implement\u00e1ciu met\u00f3d na ich v\u00fdpo\u010det. Novovyvinut\u00e9 met\u00f3dy a programy na \u0161t\u00fadium zl\u00fa\u010den\u00edn \u0165a\u017ek\u00fdch prvkov pl\u00e1nujeme aplikova\u0165 v spolupr\u00e1ci s na\u0161imi zahrani\u010dn\u00fdmi partnermi.<\/span><\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td>1.1.2021 &#8211; 31.12.2024<\/td>\n<\/tr>\n<\/table>\n<table class='project_list'>\n<tr>\n<td colspan='2'>P\u00f3rovit\u00e9 keramick\u00e9 an\u00f3dy pre sod\u00edkov\u00e9 bat\u00e9rie novej gener\u00e1cie<\/td>\n<\/tr>\n<tr>\n<td colspan='2'>Porous ceramic anodes for novel sodium-ion batteries<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>VEGA<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>doc. Ing. Len\u010d\u00e9\u0161 Zolt\u00e1n, PhD.<\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td>1.12.2022 &#8211; 31.12.2024<\/td>\n<\/tr>\n<\/table>\n<table class='project_list'>\n<tr>\n<td colspan='2'>Potenci\u00e1l vrstevnat\u00fdch aluminosilik\u00e1tov ako excelentn\u00fdch nosi\u010dov polykati\u00f3nov: dizajnovanie nov\u00fdch kompozitn\u00fdch nanomateri\u00e1lov<\/td>\n<\/tr>\n<tr>\n<td colspan='2'>Potential of layered aluminosilicates as excellent guests to accommodate polymeric cations: design of new composite materials<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>VEGA<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>Ing. P\u00e1lkov\u00e1 Helena, PhD.<\/td>\n<\/tr>\n<tr>\n<td><a href=\"javascript:toggle('show7')\">Anot\u00e1cia:<\/a><\/td>\n<td><span id=\"show7\" style=\"display: none;\">Projekt je zameran\u00fd na pr\u00edpravu kompozitn\u00fdch materi\u00e1lov na b\u00e1ze vrstevnat\u00fdch aluminosilik\u00e1tov ako vhodn\u00fdchnosi\u010dov pre r\u00f4zne typy organick\u00fdch polym\u00e9rnych kati\u00f3nov s vlastnos\u0165ami zauj\u00edmav\u00fdmi pre r\u00f4zne aplik\u00e1cie.Variabilita chemick\u00e9ho zlo\u017eenia vybran\u00fdch vrstevnat\u00fdch materi\u00e1lov v spojen\u00ed s r\u00f4znorodos\u0165ou molekulov\u00fdch\u0161trukt\u00far a vlastnost\u00ed polym\u00e9rnych kati\u00f3nov a kopolym\u00e9rov otv\u00e1ra \u0161irok\u00e9 mo\u017enosti pr\u00edpravy dobre definovan\u00fdchsyst\u00e9mov. Vhodne zvolen\u00fd v\u00fdber anorganick\u00fdch nosi\u010dov a polym\u00e9rnych kati\u00f3nov je z\u00e1kladn\u00fdm krokom kdosiahnutiu ich vz\u00e1jomnej kompatibility ved\u00facej nielen k udr\u017eaniu si, ale predov\u0161etk\u00fdm k zlep\u0161eniu k\u013e\u00fa\u010dov\u00fdchvlastnost\u00ed pripraven\u00fdch kompozitov. Preto sa bude sledova\u0165 aj vplyv podmienok synt\u00e9zy (napr. pH) a pridaniein\u00e9ho komponentu (fluorescen\u010dn\u00e9 farbiv\u00e1, kovov\u00e9 nano\u010dastice) do \u0161tudovan\u00e9ho syst\u00e9mu. Vyhodnot\u00ed safotoaktivita, \u00fa\u010dinos\u0165 adsorbentov a katalyz\u00e1torv a na z\u00e1klade testu cytotoxicity aj biocompatibilita.<\/span><\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td>1.1.2021 &#8211; 31.12.2024<\/td>\n<\/tr>\n<\/table>\n<table class='project_list'>\n<tr>\n<td colspan='2'>F\u00e1zov\u00e9 premeny oxidov kovov v roztaven\u00fdch fluoridov\u00fdch syst\u00e9moch<\/td>\n<\/tr>\n<tr>\n<td colspan='2'>Phase changes of metal oxides in fluoride melts<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>VEGA<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>doc. Ing. Bo\u010da Miroslav, DrSc.<\/td>\n<\/tr>\n<tr>\n<td><a href=\"javascript:toggle('show8')\">Anot\u00e1cia:<\/a><\/td>\n<td><span id=\"show8\" style=\"display: none;\">Projekt je zameran\u00fd na \u0161t\u00fadium rozpustnosti oxidov kovov vz\u00e1cnych zem\u00edn a oxidov kovov prvkov pou\u017e\u00edvan\u00fdch v superzliatin\u00e1ch pre aplik\u00e1cie v roztaven\u00fdch fluoridov\u00fdch syst\u00e9moch typu MF alebo NF2 (M=Li, Na a K; N=Mg a Ca). Cie\u013eom je n\u00e1js\u0165 vhodn\u00fd elektrolyt s maxim\u00e1lnou mo\u017enou rozpustnos\u0165ou oxidu kovu pre elektrolytick\u00fa v\u00fdrobu kovu, ako aj n\u00e1js\u0165 vhodn\u00fd elektrolyt s minim\u00e1lnou rozpustnos\u0165ou oxidu kovu z d\u00f4vodu kor\u00f3znej ochrany zliatin ako kon\u0161truk\u010dn\u00fdch prvkov pre procesy vyu\u017e\u00edvaj\u00face taveniny. Neoddelite\u013enou s\u00fa\u010das\u0165ou tohto v\u00fdskumu je vytvorenie modelu rozpustnosti oxidov kovov v tavenin\u00e1ch, ako aj anal\u00fdza fyzik\u00e1lno-chemick\u00fdch (hustota, viskozita, povrchov\u00e9 nap\u00e4tie, elektrick\u00e1 vodivos\u0165) a termodynamick\u00fdch vlastnost\u00ed (f\u00e1zov\u00e9 diagramy a termochemick\u00e9 charakteristiky) taven\u00edn. Anal\u00fdza zatuhnut\u00fdch vzoriek, identifik\u00e1cia a charakteriz\u00e1cia f\u00e1z sa uskuto\u010dn\u00ed pomocou spektr\u00e1lnych a difrak\u010dn\u00fdch techn\u00edk. \u0160tudovan\u00e9 syst\u00e9my s\u00fa vyberan\u00e9 aj v kontexte napr. pre aplik\u00e1cie pre transparentn\u00fa keramiku alebo &quot;phase change materials&quot;.<\/span><\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td>1.1.2020 &#8211; 31.12.2023<\/td>\n<\/tr>\n<\/table>\n<table class='project_list'>\n<tr>\n<td colspan='2'>\u0160trukt\u00fara a vlastnosti bio akt\u00edvnych skiel dopovan\u00fdch i\u00f3nmi s potenci\u00e1lne terapeutick\u00fdmi a antibakteri\u00e1lnymi \u00fa\u010dinkami<\/td>\n<\/tr>\n<tr>\n<td colspan='2'>Structure and properties of bioactive glasses doped with ions with potential therapeutic and antibacterial effects<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>VEGA<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>doc. Ing. Chrom\u010d\u00edkov\u00e1 M\u00e1ria, PhD.<\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td>1.1.2020 &#8211; 31.12.2023<\/td>\n<\/tr>\n<\/table>\n<table class='project_list'>\n<tr>\n<td colspan='2'>V\u00fdvoj a charakteriz\u00e1cia sf\u00e9rick\u00fdch mikro\u010dast\u00edc vhodn\u00fdch na pr\u00edpravu 3D sklen\u00fdch a sklo-keramick\u00fdch \u0161trukt\u00far<\/td>\n<\/tr>\n<tr>\n<td colspan='2'>Development and characterisation of spherical microparticles for preparation of advanced 3D glass and glass-ceramic structures<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>VEGA<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>Ing. Mich\u00e1lkov\u00e1 Monika, PhD.<\/td>\n<\/tr>\n<tr>\n<td><a href=\"javascript:toggle('show9')\">Anot\u00e1cia:<\/a><\/td>\n<td><span id=\"show9\" style=\"display: none;\">Projekt sa zaober\u00e1 v\u00fdvojom nov\u00fdch materi\u00e1lov vo forme sf\u00e9rick\u00fdch mikro\u010dast\u00edc pomocou plame\u0148ovej synt\u00e9zy a ich vyu\u017eit\u00edm na v\u00fdrobu 3D sklen\u00fdch a sklo-keramick\u00fdch \u0161trukt\u00far. Projekt je zameran\u00fd na optimaliz\u00e1ciu parametrov plame\u0148ovej synt\u00e9zy (teplota\/d\u013a\u017eka plame\u0148a, reduk\u010dno-oxida\u010dn\u00e9 podmienky horenia, r\u00fdchlos\u0165 d\u00e1vkovania prekurzora), ktor\u00e9 ovplyv\u0148uj\u00fa vlastnosti pripraven\u00fdch sf\u00e9rick\u00fdch mikro\u010dast\u00edc (chemick\u00e9 zlo\u017eenie, \u0161trukt\u00faru a morfol\u00f3giu). Pripravia sa tak pln\u00e9, dut\u00e9, pr\u00edpadne p\u00f3rovit\u00e9 mikro\u010dastice v r\u00f4znych sklotvorn\u00fdch syst\u00e9moch (hlinitanov\u00e9, kremi\u010ditanov\u00e9, boritanov\u00e9, boro-kremi\u010ditanov\u00e9) v mnoh\u00fdch pr\u00edpadoch so zlo\u017een\u00edm, ktor\u00e9 nie je mo\u017en\u00e9 pripravi\u0165 konven\u010dn\u00fdm taven\u00edm. Dutos\u0165, resp. p\u00f3rovitos\u0165 sa dosiahne pr\u00eddavkom p\u00f3rotvorn\u00fdch \u010dinidiel, resp. alkalickou aktiv\u00e1ciou. Pripraven\u00e9 mikrogu\u013e\u00f4\u010dky sa pou\u017eij\u00fa na pr\u00edpravu pokro\u010dil\u00fdch 3D \u0161trukt\u00far pomocou technol\u00f3gi\u00ed additive manufacturing (3D tla\u010d) met\u00f3dami Direct Light Processing, Direct Ink Writing a met\u00f3dou \u017eiarov\u00e9ho lisovania.<\/span><\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td>1.1.2020 &#8211; 31.12.2023<\/td>\n<\/tr>\n<\/table>\n<table class='project_list'>\n<tr>\n<td colspan='2'>Porozumenie mechanizmu interakci\u00ed zne\u010dis\u0165uj\u00facich l\u00e1tok adsorbovan\u00fdch na povrchu aluminosilik\u00e1tov\u00fdch \u0161trukt\u00far<\/td>\n<\/tr>\n<tr>\n<td colspan='2'>Insight into the mechanism of interactions of pollutants adsorbed on the surface of aluminosilicate structures<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>VEGA<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>Ing. Scholtzov\u00e1 Eva, CSc.<\/td>\n<\/tr>\n<tr>\n<td><a href=\"javascript:toggle('show10')\">Anot\u00e1cia:<\/a><\/td>\n<td><span id=\"show10\" style=\"display: none;\">Predkladan\u00fd projekt predstavuje kombinovan\u00fd teoretick\u00fd a experiment\u00e1lny v\u00fdskum komplexov vybran\u00fdch polutantov (oxyani\u00f3nov, herbic\u00eddov, lie\u010div) adsorbovan\u00fdch na vrstevnat\u00fdch hlinitokremi\u010ditanoch (VHK) a hlinitokremi\u010ditanov\u00fdch nanor\u00farkach (HKN). Adsorpciou na hlinitokremi\u010ditanov\u00fdch \u0161trukt\u00farach sa tieto polutanty v\u00fdrazne imobilizuj\u00fa, napr. zo zne\u010disten\u00fdch v\u00f4d. \u0160t\u00fadium t\u00fdchto povrchov\u00fdch komplexov bude zameran\u00e9 na detailn\u00fd opis (molekulov\u00e1 \u0161k\u00e1la) a pochopenie interakci\u00ed zodpovedn\u00fdch za tvorbu a stabilitu komplexov.  \u010ealej bude \u0161tudovan\u00fd aj vplyv solventu na stabilitu t\u00fdchto komplexov. Teoretick\u00fd pr\u00edstup zalo\u017een\u00fd hlavne na met\u00f3de funkcion\u00e1lu hustoty (density functional theory &#8211; DFT)  prinesie nov\u00fd poh\u013ead a nov\u00e9 vedomosti o \u0161trukt\u00fare a vlastnostiach VHK\/HKN povrchov a ich schopnosti formova\u0165 stabiln\u00e9 komplexy s polutantami na molekul\u00e1rnej \u00farovni. V\u00fdsledky z experimentov bud\u00fa tie\u017e interpretovan\u00e9 pomocou v\u00fdstupov z modelovania, aby sa dosiahla komplexn\u00e1 charakteriz\u00e1cia komplexov typu polutant-hlinitokremi\u010ditan.<\/span><\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td>1.1.2019 &#8211; 31.12.2022<\/td>\n<\/tr>\n<\/table>\n<table class='project_list'>\n<tr>\n<td colspan='2'>Fluoridov\u00e9 taveninov\u00e9 syst\u00e9my s potenci\u00e1lom vyu\u017eitia v elektrochemickej v\u00fdrobe hlin\u00edka<\/td>\n<\/tr>\n<tr>\n<td colspan='2'>Fluoride melts with potential applications in electrochemical aluminum production<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>VEGA<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>Ing. \u0160imko Franti\u0161ek, PhD.<\/td>\n<\/tr>\n<tr>\n<td><a href=\"javascript:toggle('show11')\">Anot\u00e1cia:<\/a><\/td>\n<td><span id=\"show11\" style=\"display: none;\">The proposed project is related to phase and structural analysis of MF-AlF3-Al2O3 systems (M=Na, K and Rb) for aluminium electrolysis. This type of electrolytes has low melting temperature that is why they are called low melting electrolytes. Those systems have increasing industrial potential, especially in joint application with so-called inert anodes. The aim of the project is the identification of primary phases (liquid and solid) and characterization of their thermal stability in wide concentration range. The other aim of the project is the characterization of the species and the electroactive species in molten electrolytes and determines the chemistry between them by different type of spectral and diffraction techniques (either, in-situ, at high temperatures, or ex-post, after a rapid quenching, at room temperatures<\/span><\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td>1.1.2018 &#8211; 31.12.2021<\/td>\n<\/tr>\n<\/table>\n<table class='project_list'>\n<tr>\n<td colspan='2'>Fotoluminiscen\u010dn\u00e9 transparentn\u00e9 keramick\u00e9 materi\u00e1ly na b\u00e1ze oxinitridov<\/td>\n<\/tr>\n<tr>\n<td colspan='2'>Photoluminescent transparent oxynitride-based ceramics<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>VEGA<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>doc. Ing. Len\u010d\u00e9\u0161 Zolt\u00e1n, PhD.<\/td>\n<\/tr>\n<tr>\n<td><a href=\"javascript:toggle('show12')\">Anot\u00e1cia:<\/a><\/td>\n<td><span id=\"show12\" style=\"display: none;\">Cie\u013eom projektu je v\u00fdskum a v\u00fdvoj pr\u00edpravy opticky transparentn\u00fdch polykry\u0161talick\u00fdch keramick\u00fdch materi\u00e1lov v syst\u00e9me Mg-Si-Al-O-N, konkr\u00e9tne na b\u00e1ze MgAlONu so \u0161trukt\u00farou spinelu a oxinitridov krem\u00edka (o\u2019-sialon) z kry\u0161talick\u00fdch pr\u00e1\u0161kov a organo-kovov\u00fdch prekurzorov. Podrobne bude \u0161tudovan\u00fd a optimalizovan\u00fd ka\u017ed\u00fd krok v procese pr\u00edpravy bezdefektnej keramiky. Pozornos\u0165 bude venovan\u00e1 vyhodnoteniu a n\u00e1slednej elimin\u00e1cii materi\u00e1lov\u00fdch defektov vznikaj\u00facich v procese pr\u00edpravy transparentn\u00fdch materi\u00e1lov pou\u017eit\u00edm nasleduj\u00facich krokov: (1) v\u00fdber v\u00fdchodiskov\u00fdch pr\u00e1\u0161kov s vhodnou ve\u013ekos\u0165ou \u010dast\u00edc, (2) pr\u00edprava stabiln\u00fdch suspenzi\u00ed, (3) optimaliz\u00e1cia pr\u00edpravy bezdefektn\u00fdch surov\u00fdch v\u00fdliskov mokrou cestou, (4) zv\u00fd\u0161enie homogenity surov\u00fdch v\u00fdliskov, (5) optimaliz\u00e1cia podmienok spekania a (6) kvalita fin\u00e1lneho opracovania hutn\u00fdch materi\u00e1lov. Bude sa sk\u00fama\u0165 aj vplyv oxidov a fluoridov kovov vz\u00e1cnych zem\u00edn a prechodn\u00fdch kovov na spekanie a optick\u00e9 vlastnosti (transparentnos\u0165, fotoluminiscencia) keramick\u00fdch materi\u00e1lov.<\/span><\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td>1.1.2018 &#8211; 31.12.2021<\/td>\n<\/tr>\n<\/table>\n<table class='project_list'>\n<tr>\n<td colspan='2'>Kor\u00f3zia a zvetr\u00e1vanie \u00fa\u017eitkov\u00fdch skiel<\/td>\n<\/tr>\n<tr>\n<td colspan='2'>Corrosion and weathering of tablewareglass<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>VEGA<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>doc. Ing. Chrom\u010d\u00edkov\u00e1 M\u00e1ria, PhD.<\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td>1.1.2018 &#8211; 31.12.2021<\/td>\n<\/tr>\n<\/table>\n<table class='project_list'>\n<tr>\n<td colspan='2'>Nov\u00e9 anorganick\u00e9 fosfory na b\u00e1ze stechiometrick\u00fdch hlinitanov a kremi\u010ditanov s dlhodobou svetelnou emisiou pre optick\u00e9 a biomedic\u00ednske aplik\u00e1cie<\/td>\n<\/tr>\n<tr>\n<td colspan='2'>Long persistent phosphors on the base of stoichiometric aluminates and silicates for optical and biomedical applications<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>VEGA<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>prof. Ing. Galusek Du\u0161an, DrSc.<\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td>1.1.2018 &#8211; 31.12.2021<\/td>\n<\/tr>\n<\/table>\n<table class='project_list'>\n<tr>\n<td colspan='2'>Pr\u00edprava a charakteriz\u00e1cia gran\u00fal \/ mikroguli\u010diek na b\u00e1ze nitridu kremi\u010dit\u00e9ho pre bioaplik\u00e1cie<\/td>\n<\/tr>\n<tr>\n<td colspan='2'>Preparation and characterization granuls\/microspheres based on silicon nitride for bioapplications<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>VEGA<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>doc. Ing. Hnatko Miroslav, PhD.<\/td>\n<\/tr>\n<tr>\n<td><a href=\"javascript:toggle('show13')\">Anot\u00e1cia:<\/a><\/td>\n<td><span id=\"show13\" style=\"display: none;\">Predkladan\u00fd projekt sa bude zaobera\u0165 pr\u00edpravou a charakteriz\u00e1ciou Si3N4 gran\u00fal (priemer \u010dast\u00edc nad 1 mm), resp. SN mikroguli\u010diek (priemer \u010dast\u00edc pod 100 um) s pr\u00eddavkom bioakt\u00edvnej zlo\u017eky (vo forme hyroxyapatitu, Ca3(PO4)2 alebo bioskla). P\u00f3rovit\u00e9 Si3N4 granule bud\u00fa pripraven\u00e9 d\u00e1vkovan\u00edm vodnej suspenzie do kvapaln\u00e9ho dus\u00edka s n\u00e1slednou liofiliz\u00e1ciou a spekan\u00edm. Zv\u00fd\u0161enie bioaktivity Si3N4 gran\u00fal bude dosiahnut\u00e9 infiltr\u00e1ciou s\u00f3lu hydroxiapatitu (HA) a n\u00e1slednou kalcin\u00e1ciou. Kompozitn\u00e9 Si3N4-HA materi\u00e1ly bud\u00fa charakterizovan\u00e9 z poh\u013eadu ich mechanick\u00fdch a biologick\u00fdch vlastnost\u00ed. P\u00f3rovit\u00e9 Si3N4 mikroguli\u010dky s r\u00f4znym podielom bioakt\u00edvnej zlo\u017eky (BZ) bud\u00fa pripraven\u00e9 plame\u0148ovou synt\u00e9zou. Cie\u013eom bude charakterizova\u0165 vplyv podielu Si3N4\/BZ na v\u00fdsledn\u00e9 f\u00e1zov\u00e9\/chemick\u00e9 zlo\u017eenie, v\u00fdsledn\u00fa p\u00f3rovitos\u0165, ve\u013ekos\u0165 a biologick\u00e9 vlastnosti z\u00edskan\u00fdch mikroguli\u010diek. Cie\u013eom oprimaliz\u00e1cie pr\u00edpravy Si3N4 gran\u00fal a mikroguli\u010diek bude \u0161t\u00fadium ich vyu\u017eite\u013enosti v r\u00f4znych oblastiach bioaplik\u00e1cii.<\/span><\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td>1.1.2018 &#8211; 31.12.2021<\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>Fluoridov\u00e9 taveninov\u00e9 syst\u00e9my pre zelen\u00fa v\u00fdrobu hlin\u00edka bez produkcie CO2 Molten fluoride systems for green production of aluminium without CO2 emissions Program: VEGA Zodpovedn\u00fd rie\u0161ite\u013e:&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":31,"menu_order":35,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"class_list":["post-319","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/uach.sav.sk\/sk\/wp-json\/wp\/v2\/pages\/319","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/uach.sav.sk\/sk\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/uach.sav.sk\/sk\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/uach.sav.sk\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/uach.sav.sk\/sk\/wp-json\/wp\/v2\/comments?post=319"}],"version-history":[{"count":5,"href":"https:\/\/uach.sav.sk\/sk\/wp-json\/wp\/v2\/pages\/319\/revisions"}],"predecessor-version":[{"id":3290,"href":"https:\/\/uach.sav.sk\/sk\/wp-json\/wp\/v2\/pages\/319\/revisions\/3290"}],"up":[{"embeddable":true,"href":"https:\/\/uach.sav.sk\/sk\/wp-json\/wp\/v2\/pages\/31"}],"wp:attachment":[{"href":"https:\/\/uach.sav.sk\/sk\/wp-json\/wp\/v2\/media?parent=319"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}