Reduction of graphene oxide foils by IR laser irradiation in air

0524200 - ÚJF 2021 RIV GB eng J - Článek v odborném periodiku
Torrisi, L. - Cutroneo, Mariapompea - Torrisi, Alfio - Salvato, G. - Proverbio, E. - Silipigni, L.
Reduction of graphene oxide foils by IR laser irradiation in air.
Journal of Instrumentation. Roč. 15, č. 3 (2020), č. článku C03006. ISSN 1748-0221. E-ISSN 1748-0221.
[Conference on Plasma Physics by Laser and Applications (PPLA). Pisa, 29.10.2019-31.10.2019]
Grant CEP: GA MŠMT LM2015056; GA ČR(CZ) GBP108/12/G108
Institucionální podpora: RVO:61389005
Klíčová slova: interaction of radiation with matter * lasers * plasma generation * radiation damage evaluation methods
Obor OECD: Fluids and plasma physics (including surface physics)
Impakt faktor: 1.415, rok: 2020
Způsob publikování: Omezený přístup
https://doi.org/10.1088/1748-0221/15/03/C03006

Graphene oxide (GO) micrometric foils have been prepared using a graphene oxide solution. A pulsed IR laser at 970 nm wavelength, with a 100 ms pulse duration and an energy between 50 mJ and 0.7 J, has been employed to irradiate the micrometric GO foils in air. Pulsed IR laser irradiation of GO foils promotes the GO reduction in air and, when the GO foils are tightened between two transparent and thin flat glasses, it permits to realize electrically conductive strips, labelled as rGO. Measurements of laser ablation yield in air as a function of the pulse energy, analysis of elemental composition of the samples before and after the irradiation and morphological characterization have been performed. An estimation of both the temperature induced by the laser treatment and the penetration depth is presented. The so-obtained rGO foils can find many interesting applications in microelectronics, engineering and bio-medicine as sensors, detectors, ion strippers and dosimeters.
Trvalý link: http://hdl.handle.net/11104/0308582