FarFaR - Pharmacy Repository
University of Belgrade, Faculty of Pharmacy
    • English
    • Српски
    • Српски (Serbia)
  • English 
    • English
    • Serbian (Cyrilic)
    • Serbian (Latin)
  • Login
View Item 
  •   FarFaR
  • Pharmacy
  • Radovi istraživača / Researchers’ publications
  • View Item
  •   FarFaR
  • Pharmacy
  • Radovi istraživača / Researchers’ publications
  • View Item
JavaScript is disabled for your browser. Some features of this site may not work without it.

Self-limiting interactions in 2D–0D system: A case study of graphene oxide and 12-tungstophosphoric acid nanocomposite

Authorized Users Only
2020
Authors
Jovanović, Zoran
Mravik, Željko
Bajuk-Bogdanović, Danica
Jovanović, Sonja
Marković, S.
Vujković, Milica
Kovač, Janez
Vengust, Damjan
Uskoković-Marković, Snežana
Holclajtner-Antunović, Ivanka
Article (Published version)
Metadata
Show full item record
Abstract
In the present study we investigated the interaction between 12-tungstophosphoric acid (WPA) and graphene oxide (GO) in their nanocomposite by utilizing the loading of WPA as an intrinsic parameter for interaction tuning. The Fourier-transform infrared spectroscopy, temperature-programmed desorption, X-ray photoelectron spectroscopy, zeta-potential measurements, thermogravimetric analysis, X-ray diffraction, Raman spectroscopy and transmission electron microscopy methods revealed that ∼5–13 wt% of WPA represents critical loading that separates two distinct contributions to GO-WPA interaction. This was explained by the self-limiting nature of GO-WPA interaction, initially controlled by high dispersion of WPA on GO (up to 13 wt%), that is eventually overpowered by WPA-WPA interaction as loading increases. As a result, the WPA agglomerates are being formed because of which the hybrid character of the nanocomposite diminishes, i.e., the properties of independent components start to be mani...fested to greater extent. The obtained results provide an important framework for considering possible outcomes in other 2D-0D systems, whose interaction is relevant both from fundamental and applicative point of view. Thus, the GO/WPA nanocomposite illustrates how the interactions between the components can be used for tuning the properties of nanocomposite as a whole.

Keywords:
Fourier transform infrared spectroscopy / Graphene / High resolution transmission electron microscopy / Nanocomposites / Temperature programmed desorption / Thermogravimetric analysis / Tuning / X ray photoelectron spectroscopy
Source:
Carbon, 2020, 156, 166-178
Publisher:
  • Elsevier
Projects:
  • Physics and Chemistry with Ion Beams (RS-45006)
  • Electroconducting and redox-active polymers and oligomers: synthesis, structure, properties and applications (RS-172043)
  • Lithium-ion batteries and fuel cells - research and development (RS-45014)
  • Slovenian Research Agency (Project P2-0091).
  • Serbia-Slovenia bilateral project (Project No. 451-03-38/ 2016-09/50).

DOI: 10.1016/j.carbon.2019.09.072

ISSN: 0008-6223

WoS: 000509332200015

Scopus: 2-s2.0-85072633199
[ Google Scholar ]
1
URI
http://farfar.pharmacy.bg.ac.rs/handle/123456789/3452
Collections
  • Radovi istraživača / Researchers’ publications
Institution
Pharmacy

DSpace software copyright © 2002-2015  DuraSpace
About FarFaR - Pharmacy Repository | Send Feedback

OpenAIRERCUB
 

 

All of DSpaceInstitutionsAuthorsTitlesSubjectsThis institutionAuthorsTitlesSubjects

Statistics

View Usage Statistics

DSpace software copyright © 2002-2015  DuraSpace
About FarFaR - Pharmacy Repository | Send Feedback

OpenAIRERCUB