Journal ArticleDOI
Hydrothermal synthesis of N-doped carbon quantum dots and their application in ion-detection and cell-imaging
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TLDR
Photoluminescence measurements show that the N-CQDs emit strong blue emission under the irradiation of ultraviolet, which is excitation-dependent, is resistant to photo bleaching and high ionic strength, and slightly decreases with the increase of temperature.About:
This article is published in Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy.The article was published on 2021-03-05. It has received 35 citations till now. The article focuses on the topics: Quantum dot & Photoluminescence.read more
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Biomass-Based Carbon Dots: Current Development and Future Perspectives.
TL;DR: In this article, the authors highlight the advantages of these biomass-based carbon dots in terms of synthesis, properties, and applications in the biomedical field and highlight the future development of biomass derived quantum dots.
Journal ArticleDOI
Preparation of nitrogen-doped carbon quantum dots from chelating agent and used as fluorescent probes for accurate detection of ClO- and Cr(Ⅵ).
TL;DR: In this paper , a novel ionic sensor based on nitrogen-doped carbon quantum dots (N-CQDs) was developed for sensitive detection of hypochlorite ions (ClO-) and dichromate ions (Cr(Ⅵ)) by fluorescence spectrometry.
Journal ArticleDOI
An Overview of the Recent Developments in Carbon Quantum Dots—Promising Nanomaterials for Metal Ion Detection and (Bio)Molecule Sensing
Silvija Šafranko,Dominik Goman,Anamarija Stanković,Martina Medvidović-Kosanović,Tihomir Moslavac,Igor Jerković,Stela Jokić +6 more
TL;DR: The fluorescent carbon quantum dots (CQDs) represent an emerging subset of carbonaceous nanomaterials, recently becoming a powerful tool for biosensing, bioimaging, and drug and gene delivery as discussed by the authors.
Journal ArticleDOI
Waste-to-wealth: Functional biomass carbon dots based on bee pollen waste and application
Feishi Shan,Lijuan Fu,Xian Tuo Chen,Xiang Xie,Chengshuang Liao,Yinxia Zhu,Haoyu Xia,Jing Zhang,Li-juan Yan,Zhou Bo Wang,Xiaolong Yu +10 more
TL;DR: In this article , two biomass carbon dots which were prepared from bee pollen waste by one-step hydrothermal method were used in sensing, cell imaging, and plant growth regulation.
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Insight into ZnO/carbon hybrid materials for photocatalytic reduction of CO2: An in-depth review
TL;DR: In this article , the authors explore the latest advancements in ZnO/carbon nanocomposites for photocatalytic CO2 reduction systems and present a summary along with some new valuable recommendations.
References
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Journal ArticleDOI
Electrophoretic analysis and purification of fluorescent single-walled carbon nanotube fragments.
Xiaoyou Xu,Robert Ray,Yunlong Gu,Harry J. Ploehn,Latha A. Gearheart,Kyle Raker,Walter A. Scrivens +6 more
TL;DR: Arc-synthesized single-walled carbon nanotubes have been purified through preparative electrophoresis in agarose gel and glass bead matrixes and promise to be interesting nanomaterials in their own right.
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Carbon-Based Dots Co-doped with Nitrogen and Sulfur for High Quantum Yield and Excitation-Independent Emission†
Yongqiang Dong,Hongchang Pang,Hongbin Yang,Chunxian Guo,Jingwei Shao,Yuwu Chi,Chang Ming Li,Chang Ming Li,Ting Yu +8 more
TL;DR: A new type and high density of surface state of GQDs arises, leading to high yields (more than 70 %) and excitation-independent emission and FLQY = fluorescence quantum yield.
Journal ArticleDOI
Full-Color Light-Emitting Carbon Dots with a Surface-State-Controlled Luminescence Mechanism.
TL;DR: Carbon dots with tunable photoluminescence (PL) and a quantum yield of up to 35% in water were hydrothermally synthesized in one pot and separated via silica column chromatography, and these separated CDs emitted bright and stable luminescence in gradient colors under a single-wavelength UV light.
Journal ArticleDOI
Red, Green, and Blue Luminescence by Carbon Dots: Full‐Color Emission Tuning and Multicolor Cellular Imaging
TL;DR: The facile preparation and unique optical features make these CDs potentially useful in numerous applications such as light-emitting diodes, full-color displays, and multiplexed (UC)PL bioimaging.
Journal ArticleDOI
Nitrogen-doped, carbon-rich, highly photoluminescent carbon dots from ammonium citrate
TL;DR: Nitrogen-doped, carbon-rich, highly photoluminescent carbon dots have been synthesized for the first time from ammonium citrate under hydrothermal conditions and possess bright blue luminescence, short fluorescence lifetime, pH-sensitivity and excellent stability at a high salt concentration.