Eur. Phys. J. Appl. Phys.
Volume 98, 2023
Special issue on ‘Materials for Energy Harvesting, Conversion, Storage, Environmental Engineering and Sustainability’, edited by M. El Ganaoui, M. El Jouad, R. Bennacer and J.M. Nunzi
|Number of page(s)||11|
|Section||Nanomaterials and Nanotechnologies|
|Published online||07 July 2023|
Eco-friendly synthesized few layered graphene: main physico-chemical nanocharacterizations for optical quenching applications
Laboratory of Materials, Electrical Systems, Energy and Environment (LMS3E), Materials and Energy Engineering team, Faculty of Applied Sciences, Department of Physics, Ait Melloul, Ibn Zohr University, 86153 Agadir, Morocco
2 Physics Department, College of Science, Engineering and Technology Science Campus, UNISA University, Corner of Christiaan de Wet Road & Pioneer Avenue, Florida, 1709 Johannesburg, South Africa
3 Materials Research Department, iThemba LABS-National Research Foundation of South Africa, Old Faure Road, PO Box 722, Somerset West 7129, Western Cape Province, South Africa
4 School of Physics, University of the Witwatersrand, Private BagX3, WITS 2050, South Africa
5 UNISA-UNESCO Africa Chair in Nanosciences-Nanotechnology, College of Graduate Studies, University of South Africa, Muckleneuk Ridge, PO Box 392, Pretoria, South Africa
6 NanoAfNet, Nanolaboratories, iThemba LABS-National Research Foundation of South Africa, Old Faure Road, PO Box 722, Somerset West 7129, Western Cape Province, South Africa
7 Department of Restorative Dentistry, Faculty of Dentistry, University of the Western Cape, Parow 7505, Cape Town, South Africa
8 Lalit Chandra Bharali College, TN Tower, 114, Assam Trunk Rd, Maligaon Gate No.4, East Gota Nagar, Maligaon, Guwahati, Assam 781011, India
9 CPGE ibn ghazi al meknassi, Meknes, Morocco
* e-mail: firstname.lastname@example.org
Received in final form: 29 March 2023
Accepted: 3 April 2023
Published online: 7 July 2023
The importance of green process in the synthesis of nanomaterials becomes universally known. In this study, we report on the efficiency of Aspalathus linearis's plant extract known as Rooibos tea on the synthesis of graphene via a bio-active process. Using several nanocharcterization techniques, our investigations on the main physico-chemical properties confirmed the ability of this plant extract as a reducing and capping agent on performing an effective reducing process leading to a wide and flat FLrGO sheets without folds along their length and of a mean size of 265 nm. Furthermore, this eco-friendly cost-effective process allows the control and modulation of the optical and the electrical properties of the prepared graphene. Moreover, this material was positively tested as silver NPs fluorescence quencher. Hence, Rooibos shows its ability as an effective chelating agent in the production of graphene sheets which serves electronic and optoelectronic related quenching applications.
© EDP Sciences, 2023
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