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undergraduate thesis
Primjena intenzivne pulsirajuće svjetlosti u razvoju metalnih i ugljikovih materijala
Zagreb: University of Zagreb, Faculty of Chemical Engineering and Technology, 2021. urn:nbn:hr:149:909606
Džanko, Domagoj
University of Zagreb
Faculty of Chemical Engineering and Technology

Institutional repository: Repository of Faculty of Chemical Engineering and Technology University of Zagreb

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Džanko, D. (2021). Primjena intenzivne pulsirajuće svjetlosti u razvoju metalnih i ugljikovih materijala (Undergraduate thesis). Zagreb: University of Zagreb, Faculty of Chemical Engineering and Technology. Retrieved from https://urn.nsk.hr/urn:nbn:hr:149:909606

Džanko, Domagoj. "Primjena intenzivne pulsirajuće svjetlosti u razvoju metalnih i ugljikovih materijala." Undergraduate thesis, University of Zagreb, Faculty of Chemical Engineering and Technology, 2021. https://urn.nsk.hr/urn:nbn:hr:149:909606

Džanko, Domagoj. "Primjena intenzivne pulsirajuće svjetlosti u razvoju metalnih i ugljikovih materijala." Undergraduate thesis, University of Zagreb, Faculty of Chemical Engineering and Technology, 2021. https://urn.nsk.hr/urn:nbn:hr:149:909606

Džanko, D. (2021). 'Primjena intenzivne pulsirajuće svjetlosti u razvoju metalnih i ugljikovih materijala', Undergraduate thesis, University of Zagreb, Faculty of Chemical Engineering and Technology, accessed 04 November 2024, https://urn.nsk.hr/urn:nbn:hr:149:909606

Džanko D. Primjena intenzivne pulsirajuće svjetlosti u razvoju metalnih i ugljikovih materijala [Undergraduate thesis]. Zagreb: University of Zagreb, Faculty of Chemical Engineering and Technology; 2021 [cited 2024 November 04] Available at: https://urn.nsk.hr/urn:nbn:hr:149:909606

D. Džanko, "Primjena intenzivne pulsirajuće svjetlosti u razvoju metalnih i ugljikovih materijala", Undergraduate thesis, University of Zagreb, Faculty of Chemical Engineering and Technology, Zagreb, 2021. Available at: https://urn.nsk.hr/urn:nbn:hr:149:909606

Metadata
TitlePrimjena intenzivne pulsirajuće svjetlosti u razvoju metalnih i ugljikovih materijala
Title (english)Application of intense pulsed light in the development of metal and carbon materials
AuthorDomagoj Džanko
MentorPetar Kassal (mentor)
Committee memberPetar Kassal (predsjednik povjerenstva)
Committee memberDomagoj Vrsaljko (član povjerenstva)
Committee memberIgor Dejanović (član povjerenstva)
GranterUniversity of Zagreb
Faculty of Chemical Engineering and Technology
Zagreb
Defense date and country2021-09-23, Croatia
Scientific / art field,
discipline and subdiscipline		NATURAL SCIENCES
Chemistry
Abstract
Uobičajena metoda korištena za post-sintetsku obradu nanomaterijala, žarenje, nije povoljna za obradu nanomaterijala zbog dugog trajanja procesa i velike količine utrošene energije. Stoga je bilo potrebno razviti bržu i efikasniju metodu pri kojoj neće doći do oštećenja plastičnih podloga prilikom obrade nanomaterijala. U ovom radu opisan je utjecaj intenzivne pulsirajuće svjetlosti u razvoju metalnih i ugljikovih materijala. Tehnologijom intenzivne pulsirajuće svjetlosti (Intense pulsed light, IPL) sinterirani su bakrovi i srebrovi materijali (nanočestice, nanožice, soli) i ugljikovi materijali (nanocijevi i grafen oksid) te su promatrani utjecaji IPL zračenja na morfološka i električna svojstva navedenih materijala. Srebrove i bakrove nanočestice pod utjecajem IPL-a aglomeriraju i stvaraju vodljive puteve dok IPL nanožičane vodiče čvrsto zavari za podlogu u točki kontakta. IPL obradom ugljikovih nanocjevčica povećava se vodljivost, a obradom grafenovog oksida, uz njegovu redukciju u reducirani grafen oksid (rGO) i povećanje vodljivosti, dobivene su kvalitetne anode za litij-ionske baterije i promotori paljenja plina u gorivima. IPL-om obrađeni nanomaterijali pokazali su poboljšanja u električnoj vodljivosti i stabilnosti, dok su se površinski otpor i električne otpornosti smanjile. Metoda IPL sinteriranja pokazala se kao budućnost obrade ugljikovih i metalnih nanomaterijala zbog svoje visoke iskoristivosti, jednostavnosti i kratkog vremena trajanja.
Abstract (english)
The usual method used for post-synthetic processing of nanomaterials, annealing, is not favorable for processing nanomaterials due to the long duration of the process and the large amount of energy consumed. Therefore, it was necessary to develop a faster and more efficient method that will not damage plastic substrates during the processing of nanomaterials. This work describes the influence of intense pulsed light (IPL) in the development of metal and carbon based materials. Copper and silver materials (nanoparticles, nanowires, salts) and carbon materials (nanotubes and graphene oxide) were sintered with IPL technology and the effects of IPL radiation on these materials were observed. Silver and copper nanoparticles under the influence of IPL agglomerate and create conductive pathways while the nanowire conductors are firmly welded to the substrate at the point of contact. IPL treatment of carbon nanotubes increases their conductivity, and processing of graphene oxide, with its reduction to rGO and increase in conductivity, quality anodes were obtained for Lithium-ion batteries and gas ignition promoters in fuels. IPL-treated nanomaterials showed improvement in electrical conductivity and stability, while surface resistance and electrical resistivity decreased. The IPL sintering method has proven to be the future of carbon and metal nanomaterial processing due to its high efficiency, simplicity and short processing duration.
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:149:909606
Study programmeTitle: Applied Chemistry - Undergraduate study; specializations in: Environmental chemistry and green technologies, Advanced materials and technologies, Applied organic chemistry
Course: Advanced materials and technologies
Study programme type: university
Study level: undergraduate
Academic / professional title: sveučilišni/a prvostupnik/prvostupnica (baccalaureus/baccalaurea) primijenjene kemije (sveučilišni/a prvostupnik/prvostupnica (baccalaureus/baccalaurea) primijenjene kemije)
Type of resourceText
File originBorn digital
Access conditionsOpen access
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Created on2023-03-27 12:40:05