Related Experiment Video
Updated: Feb 28, 2026
Scalable Syntheses of Graphene Oxide and Reduced Graphene Oxide using Cascade Design Oxidation and Highly Basic Reduction Reactions
Published on: July 3, 2025
Green and Facile Esterification Procedure Leading to Crystalline-Functionalized Graphite Oxide
M Rosaria Acocella1, Luciana D'Urso1, Mario Maggio1
1Dipartimento di Chimica e Biologia, Università degli Studi di Salerno , Via Giovanni Paolo II, 132-84084 Fisciano, Salerno, Italy.
A new green chemistry method enhances graphite oxide (GO) esterification using ethyl acetate, achieving high functionalization without damaging GO crystallinity. This eco-friendly acetylation improves interlayer spacing and order, enabling easy exfoliation.
Area of Science:
- Materials Science
- Green Chemistry
Background:
- Graphite oxide (GO) is a key material for advanced applications.
- Existing functionalization methods can be harsh and inefficient.
Purpose of the Study:
- To develop a simple, eco-friendly esterification method for GO.
- To investigate the impact of this method on GO structure and properties.
Main Methods:
- Esterification of GO using acetic anhydride and ethyl acetate as a green solvent.
- Characterization of the functionalized GO (acetylated GO or AcGO) using various techniques.
Main Results:
- Achieved high functionalization degrees (up to 4.5 mol % acetyl groups).
- Preserved and even enhanced GO crystallinity and interlayer order.
- Demonstrated the general applicability of the method with various anhydrides.
- Facilitated complete exfoliation of AcGO through solvent removal.
Conclusions:
- The reported method offers a superior, green alternative for GO functionalization.
- Acetylation improves GO interlayer spacing and order, aiding exfoliation.
- This approach opens new avenues for scalable production of functionalized GO materials.
Related Concept Videos
01:08Esters to Alcohols: Grignard Reaction
The reaction requires two equivalents of the Grignard reagent and introduces two identical alkyl groups, derived from the Grignard reagent, bonded to the hydroxyl-bearing carbon of the alcohol.
The reaction follows the typical nucleophilic acyl substitution mechanism. The Grignard...
01:13Carboxylic Acids to Esters: Acid-Catalyzed (Fischer) Esterification Mechanism
01:07Alkylation of β-Ketoester Enolates: Acetoacetic Ester Synthesis
03:00Preparation of Epoxides
Epoxides result from alkene oxidation, which can be achieved by a) air, b) peroxy acids, c) hypochlorous acids, and d) halohydrin cyclization.
Epoxidation with Peroxy Acids
Epoxidation of alkenes via oxidation with peroxy acids involves the conversion of a carbon–carbon double bond to an epoxide using the oxidizing agent meta-chloroperoxybenzoic acid, commonly known as MCPBA. Since the O–O bond of peroxy acids is very weak, the addition of electrophilic oxygen of peroxy acids to...
01:15Acid Halides to Alcohols: Grignard Reaction
Grignard reagents are a source of carbanions and function as nucleophiles. The mechanism begins with the nucleophilic attack by the carbanion at the carbonyl carbon of the acid halide to form a tetrahedral intermediate. Next, the carbonyl group is re-formed, and the halide ion departs,...
01:24Esters to β-Ketoesters: Claisen Condensation Overview