Focusing on luminescent graphene quantum dots: current status and future perspectives.

  title={Focusing on luminescent graphene quantum dots: current status and future perspectives.},
  author={Lingling Li and Gehui Wu and Guohai Yang and Juan Peng and Jian-wei Zhao and Jun‐Jie Zhu},
  volume={5 10},
To obtain graphene-based fluorescent materials, one of the effective approaches is to convert one-dimensional (1D) graphene to 0D graphene quantum dots (GQDs), yielding an emerging nanolight with extraordinary properties due to their remarkable quantum confinement and edge effects. In this review, the state-of-the-art knowledge of GQDs is presented. The synthetic methods were summarized, with emphasis on the top-down routes which possess the advantages of abundant raw materials, large scale… 

Synthesis and applications of graphene quantum dots: a review

Abstract As a new class of fluorescent carbon materials, graphene quantum dots (GQDs) have attracted tremendous attention due to their outstanding properties and potential applications in biological,

Graphene quantum dots: recent progress in preparation and fluorescence sensing applications

Fluorescent graphene quantum dots (GQDs) have attracted tremendous attention because of their unique 2D layered structure, large surface area, good water solubility, tunable fluorescence, high

Recent advancements in synthesis and property control of graphene quantum dots for biomedical and optoelectronic applications

Being a novel and interesting zero-dimensional material of the carbon family, graphene quantum dots (GQDs) have been studied extensively in the last few years due to their exceptional and desirable

Synthesis and characterization of graphene quantum dots

Abstract Conventional inorganic semiconductor quantum dots (QDs) have numerous applications ranging from energy harvesting to optoelectronic and bio-sensing devices primarily due to their unique size

Revealing the tunable photoluminescence properties of graphene quantum dots

Graphene quantum dots (GQDs) are a new class of fluorescent reporters promising various novel applications such as bio-imaging, optical sensing and photovoltaics. They have recently attracted

Graphene quantum dots: versatile photoluminescence for energy, biomedical, and environmental applications

Photoluminescence is one of the most outstanding features of graphene quantum dots. Because of their versatile photoluminescence, large surface area, high photostability, low cytotoxicity, and

Synthesis, Applications, and Prospects of Graphene Quantum Dots: A Comprehensive Review.

The outlook provided in this review points out that the future of G QD research is boundless, particularly if upcoming studies focus on the ease of purification and eco-friendly synthesis along with improving the photoluminescence quantum yield and production yield of GQDs.

A Review of Carbon and Graphene Quantum Dots for Sensing.

The authors suggest that with the potential of these nanomaterials in sensing more research is needed on understanding their optical properties and why the synthetic methods influence their properties so much, into methods of surface functionalization that provide greater selectivity in sensing and into new sensing concepts that utilise the virtues of these nano-materials.

Graphene quantum dots as smart probes for biosensing

In recent years, graphene quantum dots (GQDs) have attracted tremendous attention for their potential for biological, optoelectronic and energy-related applications, owing to their excellent



Graphene quantum dots: emergent nanolights for bioimaging, sensors, catalysis and photovoltaic devices.

Recent developments in preparation of GQDs are discussed, focusing on the main two approaches (top-down and bottom-down).

Graphene quantum dots: an emerging material for energy-related applications and beyond

In this perspective, we focus on a new type of quantum dots, graphene quantum dots (GQDs). Due to quantum confinement and edge effects, GQDs have presented extraordinary properties, attracting

An Electrochemical Avenue to Green‐Luminescent Graphene Quantum Dots as Potential Electron‐Acceptors for Photovoltaics

To facilitate the application of graphene in nanodevices and to effectively tune the bandgap of graphenes, a promising approach is to convert the 2D graphene sheets into 0D graphene quantum dots (GQDs).

Surface Chemistry Routes to Modulate the Photoluminescence of Graphene Quantum Dots: From Fluorescence Mechanism to Up‐Conversion Bioimaging Applications

The bandgap in graphene‐based materials can be tuned from 0 eV to that of benzene by changing size and/or surface chemistry, making it a rising carbon‐based fluorescent material. Here, the surface

Nitrogen-doped graphene quantum dots with oxygen-rich functional groups.

  • Yan LiYang Zhao L. Qu
  • Materials Science, Chemistry
    Journal of the American Chemical Society
  • 2012
A simple electrochemical approach to luminescent and electrocatalytically active nitrogen-doped GQDs (N-GQDs) with oxygen-rich functional groups is reported, which allows them to be used for biomedical imaging and other optoelectronic applications.

Influence of pH on the fluorescence properties of graphene quantum dots using ozonation pre-oxide hydrothermal synthesis

Recent research into graphene-based materials is largely focused on graphene quantum dots (GQDs) and their optical properties. A facile method has been developed to extract GQDs from reduced graphene

Graphene-quantum-dot assembled nanotubes: a new platform for efficient Raman enhancement.

This study presents the well-organized assembly of zero-dimensional (0D) functional GQDs into 1D nanotube (NT) arrays and demonstrates their remarkable potential as a new metal-free platform for efficient surface-enhanced Raman scattering (SERS) applications.

Electrochemical preparation of luminescent graphene quantum dots from multiwalled carbon nanotubes.

GQDs are promising candidates for a variety of applications, such as biomarkers, nanoelectronic devices and chemosensors due to their unique features, like high photostability, biocompatibility, nontoxicity and tunable solubility in water.

Luminescent carbon nanodots: emergent nanolights.

This Review summarize recent advances in the synthesis and characterization of C-dots and speculate on their future and discuss potential developments for their use in energy conversion/storage, bioimaging, drug delivery, sensors, diagnostics, and composites.