Journal ArticleDOI
Electrochemical synthesis of small-sized red fluorescent graphene quantum dots as a bioimaging platform.
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TLDR
Water-soluble, 3 nm uniform-sized graphene quantum dots (GQDs) with red emission prepared by electrochemical exfoliation of graphite in K2S2O8 solution show a great potential as biological labels for cellular imaging.About:
This article is published in Chemical Communications.The article was published on 2015-01-29. It has received 275 citations till now. The article focuses on the topics: Graphene & Quantum dot.read more
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Carbon and Graphene Quantum Dots for Optoelectronic and Energy Devices: A Review
TL;DR: In this article, recent exciting progresses on CD and GQD-based optoelectronic and energy devices, such as light emitting diodes (LEDs), solar cells (SCs), photodetctors (PDs), photocatalysis, batteries, and supercapacitors are highlighted.
Journal ArticleDOI
Evolution and Synthesis of Carbon Dots: From Carbon Dots to Carbonized Polymer Dots
TL;DR: CPDs are revealed as an emerging class of CDs with distinctive polymer/carbon hybrid structures and properties, and critical insights into facilitating their potential in various application fields are proposed.
Journal ArticleDOI
Bright Multicolor Bandgap Fluorescent Carbon Quantum Dots for Electroluminescent Light-Emitting Diodes.
TL;DR: In this paper, a multicolor bandgap fluorescent carbon quantum dots (MCBF-CQDs) from blue to red with quantum yield up to 75% were synthesized using a solvothermal method.
Journal ArticleDOI
53% Efficient Red Emissive Carbon Quantum Dots for High Color Rendering and Stable Warm White-Light-Emitting Diodes
TL;DR: An ultraviolet (UV)-pumped CQD phosphors-based warm white light-emitting diode (WLED) is realized for the first time and achieves a color rendering index of 97.
Journal ArticleDOI
Shining carbon dots: Synthesis and biomedical and optoelectronic applications
TL;DR: In this paper, the authors reviewed the latest researches on the synthesis, structure, optical and electronic properties of CDs as well as their advanced applications in biomedicine and optoelectronics.
References
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Journal ArticleDOI
Chemically Derived, Ultrasmooth Graphene Nanoribbon Semiconductors
TL;DR: A chemical route to produce graphene nanoribbons with width below 10 nanometers was developed, as well as single ribbons with varying widths along their lengths or containing lattice-defined graphene junctions for potential molecular electronics.
Journal ArticleDOI
Raman Spectra of Graphite Oxide and Functionalized Graphene Sheets
Konstantin N. Kudin,Bulent Ozbas,Hannes C. Schniepp,Robert K. Prud'homme,Ilhan A. Aksay,Roberto Car +5 more
TL;DR: Only the alternating pattern of single-double carbon bonds within the sp2 carbon ribbons provides a satisfactory explanation for the experimentally observed blue shift of the G band of the Raman spectra relative to graphite.
Journal ArticleDOI
Luminescent Carbon Nanodots: Emergent Nanolights
Sheila N. Baker,Gary A. Baker +1 more
TL;DR: 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.
Journal ArticleDOI
Graphene quantum dots: emergent nanolights for bioimaging, sensors, catalysis and photovoltaic devices
TL;DR: Recent developments in preparation of GQDs are discussed, focusing on the main two approaches (top-down and bottom-down).
Journal ArticleDOI
Nitrogen-Doped Graphene Quantum Dots with Oxygen-Rich Functional Groups
TL;DR: 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.
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