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Vol. 225, Issue 9, September 2018, pp. 36-40

 

Bullet

 

Photoluminescence of Graphene Oxide and Graphene Quantum Dots
 

1 Ghada I. Alfaggy, 1 Mashael M. Albayyalli, 2, 3 M. Alsalhi and 2, 3, * V. Masilamani

1 Department of Physics and Astronomy, College of Science, King Saud University, (Women’s College) Riyadh, Saudi Arabia
2 Department of Physics and Astronomy, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
3 Research Chair on Laser Diagnosis of Cancers, Department of Physics and Astronomy, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
E-mail: masila123@gmail.com

 

Received: 25 June 2018 /Accepted: 31 August 2018 /Published: 30 September 2018

Digital Sensors and Sensor Sysstems

 

Abstract: Graphene oxide (GO) and Graphene Quantum Dots (GQDs) have several properties for different applications. The photoluminescence properties are essential to understand the behavior of materials. In this study, we studied the dispersion of GO and GQDs in different solvents and we had measured the UV-Vis absorption and photoluminescence (PL) spectra for GO and GQDs. In addition, we had monitored their spectra at different values of pH.

 

Keywords: Photoluminescence, Graphene Oxide, Graphene Quantum Dots, DMSO, DMF, Acetonitrile.

 

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