Journal ArticleDOI
Facile synthesis of fluorescence carbon dots from sweet potato for Fe 3+ sensing and cell imaging.
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TLDR
The cytotoxicity results showed that the CDs exhibit non toxicity within 100μg/mL, indicating that they are promising fluorescent probes for biological imaging and successfully applied for Fe3+ probing in living cells.About:
This article is published in Materials Science and Engineering: C.The article was published on 2017-07-01. It has received 241 citations till now.read more
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Carbon quantum dots from natural resource: A review
TL;DR: Carbon quantum dots (CQDs) as discussed by the authors are a new class of fluorescence small carbon nanoparticles with a particle size of less than 10nm and have vast applications in the field of bioimaging, biosensing and disease-detection.
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Sustainable carbon-dots: recent advances in green carbon dots for sensing and bioimaging
TL;DR: This study reviews the journey of green c-dots by means of green sources of synthesis and their applications, with the major focus on various sensors and bioimaging probes.
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A review on nanostructured carbon quantum dots and their applications in biotechnology, sensors, and chemiluminescence.
TL;DR: CQDs, their structure, and PL characteristics are introduced and recent advances of the application of CQDs in biotechnology, sensors, and CL is comprehensively discussed.
Journal ArticleDOI
Natural‐Product‐Derived Carbon Dots: From Natural Products to Functional Materials
TL;DR: This Review addresses recent progress in the synthesis, properties, and applications of NCDs, including biosensing, bioimaging, optoelectronics, and photocatalysis.
Journal ArticleDOI
Biomass-Derived Carbon Dots and Their Applications
TL;DR: This article summarizes the representative methods for synthesizing BCDs in green and simple ways using biomass as a carbon source, including hydrothermal carbonization, and microwave, pyrolysis.
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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.
Journal ArticleDOI
Colloidal carbon spheres and their core/shell structures with noble-metal nanoparticles.
Xiaoming Sun,Yadong Li +1 more
TL;DR: Only amorphous silica and some colloidal polymer spheres can be routinely prepared with satisfactorily narrow size distributions, and surface modification almost unavoidable before use as supports or templates.
Journal ArticleDOI
Deep ultraviolet photoluminescence of water-soluble self-passivated graphene quantum dots
Libin Tang,Rongbin Ji,Xiangke Cao,Jingyu Lin,Hongxing Jiang,Li Xueming,Kar Seng Teng,Chi Man Luk,Songjun Zeng,Jianhua Hao,Shu Ping Lau +10 more
TL;DR: The G QDs are capable of converting blue light into white light when the GQDs are coated onto a blue light emitting diode and the photoluminescence quantum yields were determined to be 7-11%.
Journal ArticleDOI
Surface Chemistry Routes to Modulate the Photoluminescence of Graphene Quantum Dots: From Fluorescence Mechanism to Up‐Conversion Bioimaging Applications
Shoujun Zhu,Junhu Zhang,Shijia Tang,Chunyan Qiao,Lei Wang,Hai-Yu Wang,Xue Liu,Bo Li,Yunfeng Li,Weili Yu,Weili Yu,Xingfeng Wang,Hongchen Sun,Bai Yang +13 more
TL;DR: In this article, the intrinsic state emission plays a leading role, as opposed to defect state emission in GQDs, and the luminescence mechanism (the competition between both the defect state emissions and intrinsic state emissions) is explored in detail.
Journal ArticleDOI
Economical, Green Synthesis of Fluorescent Carbon Nanoparticles and Their Use as Probes for Sensitive and Selective Detection of Mercury(II) Ions
Wenbo Lu,Xiaoyun Qin,Sen Liu,Guohui Chang,Yingwei Zhang,Yonglan Luo,Abdullah M. Asiri,Abdulrahman O. Al-Youbi,Xuping Sun,Xuping Sun +9 more
TL;DR: A simple, economical, and green preparative strategy toward water-soluble, fluorescent carbon nanoparticles (CPs) with a quantum yield of approximately 6.9% by hydrothermal process using low cost wastes of pomelo peel as a carbon source for the first time is reported.