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Izpis gradiva Pomoč

Naslov:Highly porous polymer beads coated with nanometer-thick metal oxide films for photocatalytic oxidation of bisphenol A
Avtorji:ID Ballai, Gergő (Avtor)
ID Kotnik, Tomaž (Avtor)
ID Finšgar, Matjaž (Avtor)
ID Pintar, Albin (Avtor)
ID Kónya, Zoltán (Avtor)
ID Sápi, András (Avtor)
ID Kovačič, Sebastijan (Avtor)
Datoteke:URL http://dx.doi.org/10.1021/acsanm.3c03891
 
.pdf ballai-et-al-2023-highly-porous-polymer-beads-coated-with-nanometer-thick-metal-oxide-films-for-photocatalytic.pdf (13,74 MB)
MD5: 74E8653C27787F0AE63F4D8370E9005E
 
URL https://pubs.acs.org/doi/10.1021/acsanm.3c03891
 
Jezik:Angleški jezik
Vrsta gradiva:Članek v reviji
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FKKT - Fakulteta za kemijo in kemijsko tehnologijo
Opis:Highly porous metal oxide−polymer nanocomposites are attracting considerable interest due to their unique structural and functional features. A porous polymer matrix brings properties such as high porosity and permeability, while the metal oxide phase adds functionality. For the metal oxide phase to perform its function, it must be fully accessible, and this is possible only at the pore surface, but functioning surfaces require controlled engineering, which remains a challenge. Here, highly porous nanocomposite beads based on thin metal oxide nanocoatings and polymerized high internal phase emulsions (polyHIPEs) are demonstrated. By leveraging the unique properties of polyHIPEs, i.e., a three-dimensional (3D) interconnected network of macropores, and high-precision of the atomic-layer-deposition technique (ALD), we were able to homogeneously coat the entire surface of the pores in polyHIPE beads with TiO$_2$-, ZnO-, and Al$_2$O$_3$-based nanocoatings. Parameters such as nanocoating thickness, growth per cycle (GPC), and metal oxide (MO) composition were systematically controlled by varying the number of deposition cycles and dosing time under specific process conditions. The combination of polyHIPE structure and ALD technique proved advantageous, as MO-nanocoatings with thicknesses between 11 ± 3 and 40 ± 9 nm for TiO$_2$ or 31 ± 6 and 74 ± 28 nm for ZnO and Al$_2$O$_3$, respectively, were successfully fabricated. It has been shown that the number of ALD cycles affects both the thickness and crystallinity of the MO nanocoatings. Finally, the potential of ALD-derived TiO$_2$-polyHIPE beads in photocatalytic oxidation of an aqueous bisphenol A (BPA) solution was demonstrated. The beads exhibited about five times higher activity than nanocomposite beads prepared by the conventional (Pickering) method. Such ALD-derived polyHIPE nanocomposites could find wide application in nanotechnology, sensor development, or catalysis.
Ključne besede:nanovlakna, aerosoli, filtracija, emulsion-templating, macroporous polymers, atomic-layer-deposition
Status publikacije:Objavljeno
Verzija publikacije:Objavljena publikacija
Poslano v recenzijo:20.08.2023
Datum sprejetja članka:09.10.2023
Datum objave:24.10.2023
Založnik:ACS Publications (American Chemical Society)
Leto izida:2023
Št. strani:str. 20089–20098
Številčenje:Vol. 6, iss. 21
PID:20.500.12556/DKUM-86543 Novo okno
UDK:620.3
COBISS.SI-ID:169904131 Novo okno
DOI:10.1021/acsanm.3c03891 Novo okno
ISSN pri članku:2574-0970
Datum objave v DKUM:15.04.2024
Število ogledov:249
Število prenosov:17
Metapodatki:XML DC-XML DC-RDF
Področja:Ostalo
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Vaša ocena:Ocenjevanje je dovoljeno samo prijavljenim uporabnikom.
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Gradivo je del revije

Naslov:ACS applied nano materials
Skrajšan naslov:ACS appl. nano mater.
Založnik:American Chemical Society
ISSN:2574-0970
COBISS.SI-ID:32649255 Novo okno

Gradivo je financirano iz projekta

Financer:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:P2-0150
Naslov:Integralni pristop k preprečevanju onesnaževanja voda

Financer:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:P2-0118
Naslov:Tekstilna kemija in napredni tekstilni materiali

Financer:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:N2-0166
Naslov:Sinteza in Aplikacija Foto-odzivnih Nanokompozitov iz Π-konjugiranih Polimer - Kovinsko oksidnih Sklopov za Fotokatalitično Čiščenje Odpadnih Voda

Financer:Drugi - Drug financer ali več financerjev
Program financ.:Ministry of Innovation and Technology of Hungary from the National Research, Development and Innovation Fund (NRDI),
Številka projekta:TKP2021-NKTA-05
Akronim:TKP2021

Financer:EC - European Commission
Program financ.:European Regional Development Fund.

Financer:Drugi - Drug financer ali več financerjev
Program financ.:World Federation of Scientists

Licence

Licenca:CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.

Sekundarni jezik

Jezik:Slovenski jezik
Ključne besede:nanovlakna, aerosoli, filtracija


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