| Title |
Modification of graphene oxide/V2O5·nH2O nanocomposite films via direct laser irradiation |
| Authors |
Lazauskas, Algirdas ; Marcinauskas, Liutauras ; Andrulevicius, Mindaugas |
| DOI |
10.1021/acsami.0c02066 |
| Full Text |
|
| Is Part of |
ACS Applied materials and interfaces.. Washington, DC : American Chemical Society. 2020, vol. 12, iss. 16, p. 18877-18884.. ISSN 1944-8244. eISSN 1944-8252 |
| Keywords [eng] |
graphene oxide ; vanadium pentoxide ; photothermal modification ; laser ; nanocomposite ; functional |
| Abstract [eng] |
Herein, photothermal modification of nanocomposite films consisting of hydrated vanadium pentoxide (V2O5·nH2O) nanoribbons wrapped with graphene oxide (GO) flakes was performed via 405 nm direct laser irradiation. The combination of X-ray diffraction, X-ray photoelectron spectroscopy, Raman scattering, transmission electron microscopy, and scanning electron microscopy allowed comprehensive characterization of physical and chemical changes of GO/V2O5·nH2O nanocomposite films upon photothermal modification. The modified nanocomposite films exhibited porous surface morphology (17.27 m2 g–1) consisting of randomly distributed pillarlike protrusions. The photothermal modification process of GO/V2O5·nH2O enhanced the electrical conductivity of nanocomposite from 1.6 to 6.8 S/m. It was also determined that the direct laser irradiation of GO/V2O5·nH2O resulted in considerable decrease of C–O bounds as well as O–H functional groups with an increase of the laser power density. |
| Published |
Washington, DC : American Chemical Society |
| Type |
Journal article |
| Language |
English |
| Publication date |
2020 |
| CC license |
|
