TiO2/PPy nanocomposites for photocatalytic application
Abstract
Titan(IV)-oksid je jedan od najčešće korišćenih fotokatalizatora, dok za polipirol (PPy)
postoje potvrde da je pogodan za ovu primenu. Cilj ovog rada bio je dobijanje kompozita
TiO2/PPy sa boljom fotokatalitičkom aktivnosti u odnosu na TiO2. Kako bi se optimizovao
sadržaj PPy u kompozitu, sintetisani su uzorci TiO2/x%PPy (x = 0, 0,5, 1, 1,5, 3, 5 mas.%),
koji su okarakterisani TG/DTA, XRD, FTIR, FESEM i UV-Vis metodama, dok su njihova
fotokatalitička svojstva ispitana kroz razgradnju tekstilne boje RO16. Nanokristalni TiO2 je
dobijen u obliku anatasa veličine kristalita oko 2 nm, dok su izračunati parametri
jedinične ćelije potvrdili da je kristalna struktura anatasa ostala nepromenjena nakon
dodatka PPy. Gotovo svi uzorci (izuzev TiO2/3%PPy) su fotokatalitički aktivniji od TiO2,
dok je TiO2/1%PPy pokazao najizraženiju fotokatalitičku aktivnost razgradivši 9 % boje
nakon 75 min.
Titanium(IV) oxide is one of the most used photocatalysts while polypyrrole (PPy) is a
promising material for photocatalytic application. The aim of this work was to obtain
TiO2/PPy composites exhibiting higher photocatalytic activity than TiO2. In order to
determine the optimal PPy content in a composite, TiO2/x%PPy (x = 0, 0.5, 1, 1.5, 3, 5
wt.%) samples were synthesized and characterized by TG/DTA, XRD, FTIR, FESEM and
UV-Vis methods, while the photocatalytic behavior was examined towards the degradation
of the textile dye RO16. Nanocrystalline TiO2 was obtained in anatase form with crystallite
size around 26 nm and preserved anatase crystal structure despite the addition of PPy
according to the calculated unit cell parameters. Almost all samples (except TiO2/3%PPy)
showed better photocatalytic activity than TiO2 while the best photocatalytic activity was
demonstrated by TiO2/1%PPy which degraded 98 % of the dye after 75 min.
Keywords:
Titanium(IV) oxide / PPy / nanocrystalline / composite / textile dye / photodegradationSource:
59th Meeting of the Serbian Chemical Society, Novi Sad, Serbia, Book of Abstracts, 2023, 144-Publisher:
- Srpsko hemijsko društvo, Beograd
Funding / projects:
- Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200135 (University of Belgrade, Faculty of Technology and Metallurgy) (RS-200135)
- Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200053 (University of Belgrade, Institute for Multidisciplinary Research) (RS-200053)
- Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200287 (Innovation Center of the Faculty of Technology and Metallurgy) (RS-200287)
Collections
Institution/Community
Institut za multidisciplinarna istraživanjaTY - CONF AU - Milojković, Natalija AU - Simović, Bojana AU - Žunić, Milan AU - Radovanovic, Lidija AU - Dapčević, Aleksandra PY - 2023 UR - http://rimsi.imsi.bg.ac.rs/handle/123456789/1988 AB - Titan(IV)-oksid je jedan od najčešće korišćenih fotokatalizatora, dok za polipirol (PPy) postoje potvrde da je pogodan za ovu primenu. Cilj ovog rada bio je dobijanje kompozita TiO2/PPy sa boljom fotokatalitičkom aktivnosti u odnosu na TiO2. Kako bi se optimizovao sadržaj PPy u kompozitu, sintetisani su uzorci TiO2/x%PPy (x = 0, 0,5, 1, 1,5, 3, 5 mas.%), koji su okarakterisani TG/DTA, XRD, FTIR, FESEM i UV-Vis metodama, dok su njihova fotokatalitička svojstva ispitana kroz razgradnju tekstilne boje RO16. Nanokristalni TiO2 je dobijen u obliku anatasa veličine kristalita oko 2 nm, dok su izračunati parametri jedinične ćelije potvrdili da je kristalna struktura anatasa ostala nepromenjena nakon dodatka PPy. Gotovo svi uzorci (izuzev TiO2/3%PPy) su fotokatalitički aktivniji od TiO2, dok je TiO2/1%PPy pokazao najizraženiju fotokatalitičku aktivnost razgradivši 9 % boje nakon 75 min. AB - Titanium(IV) oxide is one of the most used photocatalysts while polypyrrole (PPy) is a promising material for photocatalytic application. The aim of this work was to obtain TiO2/PPy composites exhibiting higher photocatalytic activity than TiO2. In order to determine the optimal PPy content in a composite, TiO2/x%PPy (x = 0, 0.5, 1, 1.5, 3, 5 wt.%) samples were synthesized and characterized by TG/DTA, XRD, FTIR, FESEM and UV-Vis methods, while the photocatalytic behavior was examined towards the degradation of the textile dye RO16. Nanocrystalline TiO2 was obtained in anatase form with crystallite size around 26 nm and preserved anatase crystal structure despite the addition of PPy according to the calculated unit cell parameters. Almost all samples (except TiO2/3%PPy) showed better photocatalytic activity than TiO2 while the best photocatalytic activity was demonstrated by TiO2/1%PPy which degraded 98 % of the dye after 75 min. PB - Srpsko hemijsko društvo, Beograd C3 - 59th Meeting of the Serbian Chemical Society, Novi Sad, Serbia, Book of Abstracts T1 - TiO2/PPy nanocomposites for photocatalytic application SP - 144 UR - https://hdl.handle.net/21.15107/rcub_rimsi_1988 ER -
@conference{ author = "Milojković, Natalija and Simović, Bojana and Žunić, Milan and Radovanovic, Lidija and Dapčević, Aleksandra", year = "2023", abstract = "Titan(IV)-oksid je jedan od najčešće korišćenih fotokatalizatora, dok za polipirol (PPy) postoje potvrde da je pogodan za ovu primenu. Cilj ovog rada bio je dobijanje kompozita TiO2/PPy sa boljom fotokatalitičkom aktivnosti u odnosu na TiO2. Kako bi se optimizovao sadržaj PPy u kompozitu, sintetisani su uzorci TiO2/x%PPy (x = 0, 0,5, 1, 1,5, 3, 5 mas.%), koji su okarakterisani TG/DTA, XRD, FTIR, FESEM i UV-Vis metodama, dok su njihova fotokatalitička svojstva ispitana kroz razgradnju tekstilne boje RO16. Nanokristalni TiO2 je dobijen u obliku anatasa veličine kristalita oko 2 nm, dok su izračunati parametri jedinične ćelije potvrdili da je kristalna struktura anatasa ostala nepromenjena nakon dodatka PPy. Gotovo svi uzorci (izuzev TiO2/3%PPy) su fotokatalitički aktivniji od TiO2, dok je TiO2/1%PPy pokazao najizraženiju fotokatalitičku aktivnost razgradivši 9 % boje nakon 75 min., Titanium(IV) oxide is one of the most used photocatalysts while polypyrrole (PPy) is a promising material for photocatalytic application. The aim of this work was to obtain TiO2/PPy composites exhibiting higher photocatalytic activity than TiO2. In order to determine the optimal PPy content in a composite, TiO2/x%PPy (x = 0, 0.5, 1, 1.5, 3, 5 wt.%) samples were synthesized and characterized by TG/DTA, XRD, FTIR, FESEM and UV-Vis methods, while the photocatalytic behavior was examined towards the degradation of the textile dye RO16. Nanocrystalline TiO2 was obtained in anatase form with crystallite size around 26 nm and preserved anatase crystal structure despite the addition of PPy according to the calculated unit cell parameters. Almost all samples (except TiO2/3%PPy) showed better photocatalytic activity than TiO2 while the best photocatalytic activity was demonstrated by TiO2/1%PPy which degraded 98 % of the dye after 75 min.", publisher = "Srpsko hemijsko društvo, Beograd", journal = "59th Meeting of the Serbian Chemical Society, Novi Sad, Serbia, Book of Abstracts", title = "TiO2/PPy nanocomposites for photocatalytic application", pages = "144", url = "https://hdl.handle.net/21.15107/rcub_rimsi_1988" }
Milojković, N., Simović, B., Žunić, M., Radovanovic, L.,& Dapčević, A.. (2023). TiO2/PPy nanocomposites for photocatalytic application. in 59th Meeting of the Serbian Chemical Society, Novi Sad, Serbia, Book of Abstracts Srpsko hemijsko društvo, Beograd., 144. https://hdl.handle.net/21.15107/rcub_rimsi_1988
Milojković N, Simović B, Žunić M, Radovanovic L, Dapčević A. TiO2/PPy nanocomposites for photocatalytic application. in 59th Meeting of the Serbian Chemical Society, Novi Sad, Serbia, Book of Abstracts. 2023;:144. https://hdl.handle.net/21.15107/rcub_rimsi_1988 .
Milojković, Natalija, Simović, Bojana, Žunić, Milan, Radovanovic, Lidija, Dapčević, Aleksandra, "TiO2/PPy nanocomposites for photocatalytic application" in 59th Meeting of the Serbian Chemical Society, Novi Sad, Serbia, Book of Abstracts (2023):144, https://hdl.handle.net/21.15107/rcub_rimsi_1988 .