Journal
GREEN CHEMISTRY LETTERS AND REVIEWS
Volume 9, Issue 2, Pages 122-131Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/17518253.2016.1181791
Keywords
Green synthesis; graphene; 2D nanomaterials; Artemisia herba-alba Asso
Funding
- National Research Foundation of South Africa (NRF)
- Centre National pour la Recherche Scientifique, France
- iThemba LABS
- UNESCO-UNISA Africa Chair in Nanosciences Nanotechnology
- Organization of Women in Science for the Developing World (OWSDW)
- Abdus Salam ICTP via the Nanosciences African Network (NANOAFNET)
- African Laser Centre (ALC)
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Nowadays graphene is universally known as a promising material. Hence, the development of ecofriendly synthesis methods for this material is of great importance. This study reports on the biosynthesis of graphene by a green chemistry process using Artemisia herba-alba Asso (AHAA) natural extract. Moreover, this work reports on the physical properties, including surface/interface and optical and electrical properties of the obtained graphene sheets. UV-VIS, Raman, XPS spectroscopies and TEM microscopy investigations confirmed the reduction, and the conversion of graphene oxide to few-layered reduced graphene oxide as well as the efficiency of this plant extract compared with several natural extracts and chemical agents. Furthermore, it was found that the optical and electrical properties of graphene can be modulated and controlled via this eco-friendly cost-effective process. Hence, AHAA can be an effective chelating agent to produce graphene sheets. [GRAPHICS] .
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