Graphene Quantum Dots (GQDs) : Advances in Research and Applications / edited by Aleksey Kuznetsov.

Format:

Book

Contributor:

Kuznetsov, Alex V., editor.

Series:

Nanotechnology science and technology series.

Nanotechnology Science and Technology Series

Language:

English

Subjects (All):

Graphene--Synthesis.

Graphene.

Physical Description:

1 online resource (257 pages)

Edition:

First edition.

Place of Publication:

New York : Nova Science Publishers, Inc., [2024]

Summary:

"Graphene Quantum Dots have been the subject of significant research interest, and numerous studies have been devoted to them, both theoretical and experimental, from purely academic and practical application points of view. This book makes its own valuable contribution to this area of knowledge and technology, covering various facets of research and applications of GQDs. Chapter one considers the aspects of synthesis and characterization of graphene quantum dots. Chapter two is devoted to the use of GQDs for detection of different analytes, from inorganic ions via biomolecules to pathogenic microorganisms. Chapter three considers in detail the role of graphene quantum dots in different biological and energy related applications. Chapter four reviews the recent progress in the research of graphene quantum dots for energy applications and storage devices. Chapter five covers the aspects of using graphene quantum dots as promising catalysts for electrocatalytic water splitting. Chapter six considers the uses of GQDs for various biological and biomedical applications. Finally, Chapter seven covers different aspects of investigation and applications of GQDs. This book will be highly attractive for the broad audience of students and researchers interested in the ever-developing area of the graphene quantum dots, providing them with the useful knowledge of various characteristics of GQDs and peculiarities of their synthesis and characterization. Moreover, it will provide readers with a review of the history of GQD investigations, the current state-of-the-art of their research and different applications, and perspectives in this field of science and technology"-- Provided by publisher.

Contents:

Intro

Contents

Preface

Chapter 1

Synthesis and Characterization of Graphene Quantum Dots

Abstract

1. Introduction

2. Preparation of GQDs

2.1. Top-Down Methods

2.2. Acid Oxidation Method

2.3. Electrochemical Method

2.4. Microwave-Assisted Method

2.5. Hydrothermal Methods

2.6. Bottom-up Methods

2.7. Pyrolysis Method

2.8. Hydrothermal/Solvothermal Method

2.9. Microwave-Assisted Method

2.10. Stepwise Organic Synthesis Method

2.11. Functionalization of GQDs

2.12. Methods of Functionalization of GQDs via Doping

2.13. Methods of Functionalization of GQDs via Surface Modification

2.14. Methods of Functionalization of GQDs via Compound Functional Components

3. Characterization of GQDs

3.1. Photoluminescent Properties

3.2. Electrochemical Properties

3.3. Dispersion Properties

4. Current Challenges and Future Prospects

References

Chapter 2

Graphene Quantum Dots for Detection - From Inorganic Ions via Biomolecules to Pathogenic Microorganisms

1.1. Graphene Quantum Dots - Let Us Start with the Structure

1.2. Properties of Graphene Quantum Dots

2. Sensing Applications of GQDs

2.1. Detection of Inorganic Ions

2.2. Detection of Organic Molecules

2.3. Detection of Metabolites and Antigens with GQDs Sensors

2.4. Detection of Drugs Using GQDs Sensors

2.5. Detection of Pathogen Microorganisms (Viruses, Bacteria, and Cancer Cells) with GQDs

2.6. Pesticide Detection with GQDs

Conclusion

Acknowledgment

Dedication

Chapter 3

Revealing the Magical Role of Graphene Quantum Dots in Biological and Energy Related Applications

2. Structure of GQDs

3. Properties of Graphene Quantum Dots

3.1. Quantum Confinement Effect (QCE)

3.2. Edge Effect.

3.3. Optical Properties

3.3.1. Effect of Intrinsic Properties on Optical Features of GQDs

3.3.2. Surface States Modulation

3.3.3. Effect of Surface Oxidation/Reduction on Optical Properties

3.4. Biocompatibility of GQDs

4. Bioimaging Application of GQDs

4.1. What Is Bioimaging?

4.2. Significance of Optical Bioimaging

4.3. Fluorescence Bioimaging - A New Era

4.4. GQDs Are a Leading Candidate in Cellular Imaging

4.5. Up-Conversion Luminescent (UCL) GQDs for Bioimaging

4.6. Near-IR Emitting (NIR) GQDs for Bioimaging

4.7. Excitation-Dependent and Independent PL Properties of GQDs for Bioimaging Application

4.8. Monitoring the Cellular Dynamics Using GQDs

4.9. Biosensing Application of GQDs

4.10. Optical Biosensors

4.11. GQD-Based Fluorescence Biosensing Platforms

4.12. Fluorescent Immunoassay

5. Energy-Related Applications

5.1. Solar Cells

5.2. Dye-Sensitized Solar Cells (DSSCs)

5.2.1. GQDs as Photoanodes

5.2.2. GQDs as Photosensitizers

5.2.3. GQDs as Electrolytes

5.2.4. GQDs as Counter Electrodes

5.2.5. Organic Solar Cells (OSCs)

5.2.6. Bulk Heterojunction Solar Cells (BHJSCs)

5.3. Light-Emitting Diodes (LEDs)

Chapter 4

Recent Progress in Graphene Quantum Dots for Energy Applications and Storage Devices: A Review

2. Applications of Graphene Quantum Dots

2.1. Application of GQDs in Li-Ion Batteries

2.2. Application of GQDs in Solar Cells

2.3. Application of GQDs as a Photocatalyst

2.4. Capacitors/Supercapacitors

2.5. LEDs

2.6. Sensors

Conclusions, Knowledge Gaps, and Future Prospects

Chapter 5

Graphene Quantum Dots: Promising Catalysts for Electrocatalytic Water Splitting

2. Electrocatalytic Water Splitting.

2.1. Hydrogen Evolution Reaction (HER)

2.2. Oxygen Evolution Reaction (OER)

2.3. Oxygen Reduction Reaction (ORR)

Chapter 6

Uses of Graphene Quantum Dots in Biological Applications

Introduction

1. Quantum Dots (QDs)

2. Graphene Quantum Dots (GQDs)

2.1. Synthesis Methods

2.2. Characterisation of GQDs

3. Biological Applications

3.1. Use of GQDs as Biosensors

3.2. Drug Delivery Applications of GQDs

3.3. Gene Delivery Applications of GQDs

3.4. Photodynamic Therapy (PDT)

Conclusions and Future Perspectives

Chapter 7

Graphene Quantum Dots: Investigations and Applications

1.1. From Graphite to Graphene Quantum Dots

2. Physiochemical Properties of Graphene Quantum Dots

2.1. Morphology and Structure

2.2. Bohr Radius

2.3. Quantum Confinement Effect

2.4. Optical Properties of GQDs

3. Modification of Properties of Graphene Quantum Dots

3.1. Changing Size and Shape

3.2. Passivation

3.3. Heteroatom Doping

3.4. Surface Modification/Functionalization

3.5. Solvent Change

4. Applications of Graphene Quantum Dots

4.1. Optoelectronic Devices: Solar Cells, Photodetectors, and Light Emitting Diodes

4.1.1. Solar Cells

4.1.2. Photodetectors

4.1.3. Light Emitting Diodes

4.2. Photocatalytic Applications

4.3. Energy Storage Applications: Supercapacitors and Batteries

4.3.1. Supercapacitors

4.3.2. Batteries

4.4. Bio-Medical Applications: Bio-imaging, Bio-sensing, and Drug Delivery

4.4.1. Bio-Imaging and Bio-Sensing

4.4.2. Drug Delivery

5. Challenges

About the Editor

Index

Blank Page.

Notes:

Description based on publisher supplied metadata and other sources.

Description based on print version record.

Includes bibliographical references and index.

ISBN:

979-88-911-3724-0