Artemisia herba-alba Asso eco-friendly reduced few-layered graphene oxide nanosheets: structural investigations and physical properties

Abstract

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. ARTICLE HISTORY

Sageretia thea (Osbeck.) modulated biosynthesis of NiO nanoparticles and their in vitro pharmacognostic, antioxidant and cytotoxic potential

“…A green route for the biosynthesis of NiO nanoparticles has been revealed using the aqueous leaf extracts of S. thea. Biomimetic synthesis of nanoparticles is considered more acceptable and eco-friendly [17,[45][46][47][48][49][50][51][52]. Sageretia thea has well-documented medicinal uses and been used as tea in parts of Korea and China.…”

A Green and Eco-Friendly Synthesis of Reduced Graphene Oxide Using the Aqueous Extracts of Artabotrys Hexapetalus and Bauhinia Tomentosa as a Reducing Agent

“…The workup was carried out using hydrogen peroxide and DI water. The obtained GO was thoroughly washed with deionised water till the pH of filtrate was 7 dried & stored for further use [17] [18]. For the synthesis of reduced graphene oxide (Fig: 1), the dispersion was added to the plant extract and stirred for 24 hours, it is then filtered, washed and the resultant black solid was dried for 24 hours at 80 o C.…”

Microwave-assisted synthesis of carbon-based nanomaterials from biobased resources for water treatment applications: emerging trends and prospects

“…Frontiers in Carbon frontiersin.org electronic, mechanical, and optical properties which have made them adaptable in several fields of scientific innovations (Sang et al, 2019;Adeola and Forbes, 2021a). Graphene (2D nanocarbon) and its derivatives can be functionalized for use in a wide range of fields, including environmental remediation, medicine, and electronics (Khenfouch et al, 2016;Liu et al, 2020;Papi, 2021;Hashmi et al, 2022). Figure 9 reflects the most common types/forms of graphenic materials, they are graphite, CNTs, reduced graphene oxide, and fullerenes, among others.…”