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Related Concept Videos

Introduction to Functional Groups02:08

Introduction to Functional Groups


Functional groups are group of atoms with specific chemical properties that occur within organic molecules and sometimes denoted as “R”. Functional groups are found along the carbon backbone of macromolecules can form chains or rings of carbon atoms. Functional groups can “functionalize” a compound by enabling it to adopt different physical and chemical properties.
Types of common functional groups
The table below summarizes some of the major functional groups in organic chemistry. (The...
Overview of Advanced Functional Groups02:22

Overview of Advanced Functional Groups


Functional groups are groups of atoms with specific chemical properties that occur within organic molecules and are sometimes denoted as “R”. Functional groups can “functionalize” a compound by enabling it to adopt different physical and chemical properties.
Types of Advanced Functional Groups
The table below summarizes some of the major functional groups in organic chemistry.
Functional Groups02:45

Functional Groups

Functional groups are a group of atoms with characteristic properties, which when linked to the carbon skeleton of a molecule, alter the properties of that molecule. For example, the presence of certain functional groups on a molecule will make them hydrophilic, whereas others will make them hydrophobic. These functional groups are an indispensable part of organic chemistry and important components of biological molecules, such as carbohydrates, proteins, lipids, and nucleic acids. Each...
Functional Groups02:45

Functional Groups

Functional groups are a group of atoms with characteristic properties, which when linked to the carbon skeleton of a molecule, alter the properties of that molecule. For example, the presence of certain functional groups on a molecule will make them hydrophilic, whereas others will make them hydrophobic. These functional groups are an indispensable part of organic chemistry and important components of biological molecules, such as carbohydrates, proteins, lipids, and nucleic acids. Each...
Functional Groups02:45

Functional Groups

Functional groups are a group of atoms with characteristic properties, which when linked to the carbon skeleton of a molecule, alter the properties of that molecule. For example, the presence of certain functional groups on a molecule will make them hydrophilic, whereas others will make them hydrophobic. These functional groups are an indispensable part of organic chemistry and important components of biological molecules, such as carbohydrates, proteins, lipids, and nucleic acids. Each...
Overview of Functional Groups01:19

Overview of Functional Groups

Functional groups are a group of atoms with characteristic properties, which when linked to the carbon skeleton of a molecule, alter the properties of that molecule. For example, certain functional groups will make a molecule hydrophilic, whereas others will make them hydrophobic. These functional groups are an indispensable part of organic chemistry and important components of biological molecules, such as carbohydrates, proteins, lipids, and nucleic acids. Each functional group is a unique...

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Related Experiment Video

Updated: Jun 15, 2026

Synthesis and Functionalization of 3D Nano-graphene Materials: Graphene Aerogels and Graphene Macro Assemblies
10:23

Synthesis and Functionalization of 3D Nano-graphene Materials: Graphene Aerogels and Graphene Macro Assemblies

Published on: November 5, 2015

Organic functionalisation of graphenes.

Vasilios Georgakilas1, Athanasios B Bourlinos, Radek Zboril

  • 1Institute of Material Science, N.C.S.R Demokritos, 15310 Ag. Paraskevi, Attikis, Greece. georgaki@ims.demokritos.gr

Chemical Communications (Cambridge, England)
|February 24, 2010
PubMed
Summary
This summary is machine-generated.

Researchers modified graphene sheets using azomethine ylide cycloaddition, enhancing their dispersibility in solvents and water. This functionalization opens new avenues for graphene applications in various materials and systems.

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Development and Functionalization of Electrolyte-Gated Graphene Field-Effect Transistor for Biomarker Detection
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Development and Functionalization of Electrolyte-Gated Graphene Field-Effect Transistor for Biomarker Detection

Published on: February 1, 2022

Area of Science:

  • Materials Science
  • Organic Chemistry
  • Nanotechnology

Background:

  • Graphene, a single layer of carbon atoms, possesses unique electronic and mechanical properties.
  • Improving graphene's dispersibility in solvents is crucial for its practical applications.
  • Functionalization methods are key to tailoring graphene's properties.

Purpose of the Study:

  • To functionalize graphene sheets via 1,3 dipolar cycloaddition of azomethine ylide.
  • To investigate the dispersibility of the modified graphene in polar organic solvents and water.
  • To characterize the functionalized graphene using advanced spectroscopic and microscopy techniques.

Main Methods:

  • Dispersion of graphite in pyridine.
  • 1,3 dipolar cycloaddition reaction using azomethine ylide.
  • Spectroscopic characterization (e.g., FTIR, Raman spectroscopy).
  • Microscopy characterization (e.g., TEM, SEM).

Main Results:

  • Successful functionalization of graphene sheets with azomethine ylide.
  • Enhanced dispersibility of modified graphene in polar organic solvents like DMF and DMSO.
  • Improved dispersibility of functionalized graphene in water.
  • Characterization confirmed the successful grafting of organic molecules onto the graphene surface.

Conclusions:

  • 1,3 dipolar cycloaddition is an effective method for graphene functionalization.
  • Organically modified graphene sheets exhibit significantly improved solubility and dispersibility.
  • This approach facilitates the integration of graphene into various matrices and applications.