prikaz prve stranice dokumenta Optimizacija mehanokemijske sinteze metaloorganskih mreža
  Download
PDF 1018.43 KB
undergraduate thesis
Optimizacija mehanokemijske sinteze metaloorganskih mreža
2020. urn:nbn:hr:182:904822
Ćorić, Ivan
Josip Juraj Strossmayer University of Osijek
Department of Chemistry

Cite this document

Ćorić, I. (2020). Optimizacija mehanokemijske sinteze metaloorganskih mreža (Undergraduate thesis). Osijek: Josip Juraj Strossmayer University of Osijek, Department of Chemistry. Retrieved from https://urn.nsk.hr/urn:nbn:hr:182:904822

Ćorić, Ivan. "Optimizacija mehanokemijske sinteze metaloorganskih mreža." Undergraduate thesis, Josip Juraj Strossmayer University of Osijek, Department of Chemistry, 2020. https://urn.nsk.hr/urn:nbn:hr:182:904822

Ćorić, Ivan. "Optimizacija mehanokemijske sinteze metaloorganskih mreža." Undergraduate thesis, Josip Juraj Strossmayer University of Osijek, Department of Chemistry, 2020. https://urn.nsk.hr/urn:nbn:hr:182:904822

Ćorić, I. (2020). 'Optimizacija mehanokemijske sinteze metaloorganskih mreža', Undergraduate thesis, Josip Juraj Strossmayer University of Osijek, Department of Chemistry, accessed 26 November 2024, https://urn.nsk.hr/urn:nbn:hr:182:904822

Ćorić I. Optimizacija mehanokemijske sinteze metaloorganskih mreža [Undergraduate thesis]. Osijek: Josip Juraj Strossmayer University of Osijek, Department of Chemistry; 2020 [cited 2024 November 26] Available at: https://urn.nsk.hr/urn:nbn:hr:182:904822

I. Ćorić, "Optimizacija mehanokemijske sinteze metaloorganskih mreža", Undergraduate thesis, Josip Juraj Strossmayer University of Osijek, Department of Chemistry, Osijek, 2020. Available at: https://urn.nsk.hr/urn:nbn:hr:182:904822

Please login to the repository to save this object to your list.
Metadata
TitleOptimizacija mehanokemijske sinteze metaloorganskih mreža
Title (english)Optimization of mechanochemical synthesis of metal-organic frameworks
AuthorIvan Ćorić
MentorElvira Kovač-Andrić (mentor)
GranterJosip Juraj Strossmayer University of Osijek
Department of Chemistry
Osijek
Defense date and country2020-09-02, Croatia
Scientific / art field,
discipline and subdiscipline		NATURAL SCIENCES
Chemistry
Abstract
Planetarni kuglični mlin jedan je od najčešćih uređaja za mehanokemijku sintezu. Kompleksan način gibanja, koji nalikuje gibanju planeta, osigurava efektivan prijenos energije na reaktante. Energija se prenosi putem sudara kuglica, bez dodatnog zagrijavanja smjese. Metaloorganske mreže sastoje se od metalnih kationa i organskih liganada. Upotrebom različitih liganada, kationa i promjenom uvjeta moguće je dobiti široki spektar poroznih spojeva. Balans poroznosti i kristaliničnosti čini ove materijale generalno boljima od zeolita i sličnih poroznih materijala. MOF-5 je metaloorganska mreža sastavljena od \(Zn_{4}O \) klastera i 1,4-benzendikarboksilata. Stabilan je na temperaturi do 550 °C. Struktura mu može biti kubična ili tetragonalna, ovisno o metodi sinteze. Uglavnom se koristi za skladištenje vodika. Adsorpcijski kapacitet MOF-5 za vodik nije velik, ali raste ako prilikom sinteze materijala nije prisutan zrak. FTIR spektri MOF-5, sintetiziranog mehanokemijski, pokazuju male varijacije pri višim brzinama. Iz toga se može zaključiti da je dovoljna umjerena brzina (500 rpm) za sintezu ovog spoja.
Abstract (english)
The planetary ball mill is one of the most common devices for mechanochemical synthesis. The complex mode of motion, which resembles the motion of planets, ensures the efficient transfer of energy to the reactants. Energy is transmitted through the beads, without additional heating of the mixture. Metal-organic frameworks consists of metal cations and organic ligands. By using different ligands, cations, and changing conditions it is possible to obtain a wide range of porous compounds. The balance of porosity and crystallinity makes these materials generally better than zeolites and similar porous materials. MOF-5 is a metal-organic framework consisting of \(Zn_{4}O \) clusters and 1,4-benzenedicarboxylates. It is stable at temperatures up to 550 °C. Its structure can be cubic or tetragonal, depending on the method of synthesis. It is mainly used for hydrogen storage. The adsorption capacity of MOF-5 for hydrogen is not high, but it increases if no air is present during synthesis. FTIR spectra of MOF-5, that is synthesised mechanochemicly, shows small variations at higher velocities. From this, it can be concluded that the moderate velocity (500 rpm) is sufficient for the synthesis of this compound.
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:182:904822
Study programmeTitle: Chemistry
Study programme type: university
Study level: undergraduate
Academic / professional title: sveučilišni/a prvostupnik/prvostupnica (baccalaureus/baccalaurea) kemije (sveučilišni/a prvostupnik/prvostupnica (baccalaureus/baccalaurea) kemije)
Type of resourceText
File originBorn digital
Access conditionsOpen access
Terms of useLicence In copyright icon
Created on2020-12-16 12:15:09