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Pregled bibliografske jedinice broj: 1033291

Struktura i kapacitivna svojstva grafena dobivenog zelenom metodom redukcije grafenova oksida


Raić, Matea; Sačer, Denis; Kraljić-Roković, Marijana
Struktura i kapacitivna svojstva grafena dobivenog zelenom metodom redukcije grafenova oksida // Chemical and biochemical engineering quarterly, 33 (2019), 3; 385-393 doi:10.15255/CABEQ.2019.1609 (recenziran, članak, znanstveni)


Naslov
Struktura i kapacitivna svojstva grafena dobivenog zelenom metodom redukcije grafenova oksida
(Structural and Capacitive Properties of Graphene Obtained by a Green Method of Graphene Oxide Reduction)

Autori
Raić, Matea ; Sačer, Denis ; Kraljić-Roković, Marijana

Izvornik
Chemical and biochemical engineering quarterly (0352-9568) 33 (2019), 3; 385-393

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Grafen, grafenov oksid, kapacitivna svojstva, ekstrakt lista masline, otpadne vode maslina
(Graphene, graphene oxide, capacitive properties, olive leaf extract, olive mill wastewater)

Sažetak
This study, a green method was applied in order to reduce graphene oxide (GO). Reduction was carried out at 80 °C in the presence of phenolic compounds from olive leaf extract (OLE), and olive mill wastewater (OMW) as a reducing agent. Owning to the natural origin of the reducing agent, this method is environmentally friendly. Reduction was carried out at pH=7 and pH=10 in the presence of OLE, and at pH=10 in the presence of OMW. The reduction process was monitored using UV/Vis spectroscopy. The structural properties of the reduced graphene oxide (rGO) samples were characterized by Fourier-transform infrared spectroscopy (FTIR) and thermogravimetric analysis (TGA). Structural studies demonstrated that a part of the oxygen functionalities in the graphene oxide structure had been removed, which resulted in increased electrical conductivity as proved by the four-point probe method. Better reduction efficiency, as well as better capacitive properties, were obtained at increased pH value. Capacitive properties of rGO were determined using the cyclic voltammetry technique. The influence of the different reducing agents, OLE and OMW, on rGO capacitive properties is also shown in this work.

Izvorni jezik
Engleski

Znanstvena područja
Kemija, Interdisciplinarne prirodne znanosti, Kemijsko inženjerstvo



POVEZANOST RADA


Ustanove
Fakultet kemijskog inženjerstva i tehnologije, Zagreb

Citiraj ovu publikaciju

Raić, Matea; Sačer, Denis; Kraljić-Roković, Marijana
Struktura i kapacitivna svojstva grafena dobivenog zelenom metodom redukcije grafenova oksida // Chemical and biochemical engineering quarterly, 33 (2019), 3; 385-393 doi:10.15255/CABEQ.2019.1609 (recenziran, članak, znanstveni)
Raić, M., Sačer, D. & Kraljić-Roković, M. (2019) Struktura i kapacitivna svojstva grafena dobivenog zelenom metodom redukcije grafenova oksida. Chemical and biochemical engineering quarterly, 33 (3), 385-393 doi:10.15255/CABEQ.2019.1609.
@article{article, year = {2019}, pages = {385-393}, DOI = {10.15255/CABEQ.2019.1609}, keywords = {graphene, graphene oxide, capacitive properties, olive leaf extract, olive mill wastewater}, journal = {Chemical and biochemical engineering quarterly}, doi = {10.15255/CABEQ.2019.1609}, volume = {33}, number = {3}, issn = {0352-9568}, title = {Structural and Capacitive Properties of Graphene Obtained by a Green Method of Graphene Oxide Reduction}, keyword = {graphene, graphene oxide, capacitive properties, olive leaf extract, olive mill wastewater} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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