Environment-Friendly Method To Produce Graphene That Employs Vitamin C and Amino Acid

Abstract

Graphene sheets are of significance in fundamental and applied science for their exceptional electronic, mechanical, and thermal properties. Among the different methods for producing graphene sheets, chemical reduction is favorable, because it can be scalable in production and versatile in realizing abundant chemical functionalization. Here, we report an environment-friendly method to produce graphene that employs Vitamin C as the reductant and amino acid as the stabilizer. This study is the first example of the use of biocompounds for nontoxic and scalable production of graphene. The graphene produced in this way has unique electrical properties that are the same as those produced via other methods. Because this reduction method avoids the use of toxic reagents, it may allow the application of graphene not only for electronic devices but also for biocompatible materials.

Graphene oxide adsorption enhanced by in situ reduction with sodium hydrosulfite to remove acridine orange from aqueous solution

“…hydrazine [38] and hydroxylamine hydrochloride [13]. Previous studies have suggested possible mechanisms for the effects of sulfur-containing compounds [8,9,15]. We confirmed that the products contained SO 4 2-using the BaCl 2 method that indicates a positive based on a white precipitate, with findings consistent with those of Chen et al [8].…”

“…L-ascorbic acid, also known as Vitamin C [9], sodium borohydride [37], and sodium hydrosulfite [15] were selected as candidates because of reducing effects comparable to hydrazine [38]. Figure 2 shows the results of simple tests of these reductants at room temperature.…”

“…However, to date, chemically derived graphene oxide (GO) from graphite has revealed a variety of potential uses because of its flexibility and relatively cheap fabrication. Like a graphene precursor, a subsequent GO reduction could restore the sp 2 carbon structure via various methods such as annealing [4], solvothermal/hydrothermal processes [5][6][7], or different kinds of reductants [8][9][10][11][12][13][14][15]. However, compared to mechanical exfoliation, functionalities (as defects) can be meanwhile imperfectly introduced onto graphene sheet surfaces.…”

One-Step Synthesis of Graphene/Polypyrrole Nanofiber Composites as Cathode Material for a Biocompatible Zinc/Polymer Battery

“…The peak at 284.5 eV for the C 1s spectra represents non-oxygenated C-C bonding, which is intensified after reduction. The broad peak at 288.4 eV can be assigned to the carbon-oxygen bonding, including C-O and C=O 42 . This peak is significantly weakened upon reduction.…”

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

“…Recently, new and more eco-friendly reducing agents for GO have been reported for the substitution of hydrazine, such as ascorbic acid (vitamin C) (66)(67)(68), alkyl amines (69)(70)(71)(72), reducing sugars (43,73), wild carrot root (74), metal nanoparticles (75,76) and powders (77,78), phytoextracts (79), green tea (80), baker's yeast (81), supercritical alcohols (82) and amino acids (67,83).…”