High Quantum Yield Fluorescent Chitosan-Based Carbon Dots for the Turn-On-Off-On Detection of Cr(VI) and H2O2

NANO ◽  
2021 ◽  
pp. 2150103
Author(s):  
Yudong Zhang ◽  
Yan Dong ◽  
Haifu Zheng ◽  
Xueyun Yang ◽  
Cheng Yao
Keyword(s):  
Quantum Yield ◽  
Carbon Dots ◽  
Blue Emission ◽  
Inner Filter Effect ◽  
Hydrothermal Carbonization ◽  
Reduction Reaction ◽  
High Quantum Yield ◽  
One Pot ◽  
Quenching Effect ◽  
High Quantum

One-pot hydrothermal carbonization approach was employed to synthesize the blue-emission carbon dots derived from chitosan (Cs) and o-phenylenediamine (OPD). The Cs-based carbon dots (Cs–CDs) possessed a certain high quantum yield of 58% and exhibited excellent solubility, stability and fluorescence response in aqueous solutions. The Cs–CDs were designed as a sensor for Cr(VI) and H2O2 determination. The sensing strategy of Cr(VI) was based on the inner filter effect (IFE) and static quenching effect (SQE), showing a good linear correlation ranging from 1 to 130[Formula: see text][Formula: see text]M with a detection limit (LOD) of 0.91[Formula: see text][Formula: see text]M. In addition, the determination for H2O2 was attributed to the elimination of IFE (EIFE) due to the reduction reaction and the detection for H2O2 was in the linear range from 1.0 to 200.0[Formula: see text][Formula: see text]M with LOD of 0.51[Formula: see text][Formula: see text]M. Finally, the proposed designed sensor could be simply applied for detection of Cr(VI) and H2O2 in real samples.

One-pot synthesis of carbon dots co-doped with N and S: high quantum yield governed by molecular state and fluorescence detection of Ag+

2019 ◽  
Vol 117 (18) ◽  
pp. 2500-2510 ◽  
Author(s):  
Wei-jie Ren ◽  
Jing-jing Bai ◽  
Yan-liang Zhao ◽  
Yu-long Wang ◽  
Fei Liu ◽  
...  
Keyword(s):  
Quantum Yield ◽  
Fluorescence Detection ◽  
Carbon Dots ◽  
Molecular State ◽  
High Quantum Yield ◽  
One Pot ◽  
High Quantum ◽  
One Pot Synthesis ◽  
Co Doped

Green preparation of nitrogen-doped carbon dots derived from silkworm chrysalis for cell imaging

2016 ◽  
Vol 4 (3) ◽  
pp. 387-393 ◽  
Author(s):  
Ji Feng ◽  
Wen-Jing Wang ◽  
Xin Hai ◽  
Yong-Liang Yu ◽  
Jian-Hua Wang
Keyword(s):  
Quantum Yield ◽  
Carbon Dots ◽  
Cell Imaging ◽  
High Quantum Yield ◽  
One Pot ◽  
Nitrogen Doped ◽  
High Quantum ◽  
Doped Carbon Dots ◽  
Nitrogen Doped Carbon

Carbon dots (CDs) with a high quantum yield of 46% are prepared using a green one-pot approach under microwaves with silkworm chrysalis which has been used for cell imaging.

scholarly journals A new type of polymer carbon dots with high quantum yield: From synthesis to investigation on fluorescence mechanism

Polymer ◽  
2017 ◽  
Vol 116 ◽  
pp. 472-478 ◽  
Author(s):  
Songyuan Tao ◽  
Yubin Song ◽  
Shoujun Zhu ◽  
Jieren Shao ◽  
Bai Yang
Keyword(s):  
Quantum Yield ◽  
Carbon Dots ◽  
High Quantum Yield ◽  
High Quantum ◽  
New Type

Harnessing Versatile Dynamic Carbon Precursors for Multi-Color Emissive Carbon Dots

2022 ◽  
Author(s):  
Zitong Wei ◽  
Wenyi Lu ◽  
Ximin Wang ◽  
Jiping Ni ◽  
Umme Hani Prova ◽  
...  
Keyword(s):  
Quantum Yield ◽  
Carbon Dots ◽  
High Quantum Yield ◽  
Carbon Allotrope ◽  
High Quantum ◽  
Fluorescent Nanomaterials

Carbon dots (CDs), a relatively new kind of fluorescent nanomaterials superior to other contributors of carbon allotrope due to their excellent biocompatibility, controllable photoluminescence, high quantum yield (QY), unique electronic...

One-pot synthesis of ultrasmall β-NaGdF4 nanoparticles with enhanced upconversion luminescence

2019 ◽  
Vol 7 (29) ◽  
pp. 8898-8904 ◽  
Author(s):  
Chunyan Cheng ◽  
Yueshan Xu ◽  
Songtao Liu ◽  
Yuanyuan Liu ◽  
Xian Wang ◽  
...  
Keyword(s):  
Quantum Yield ◽  
Upconversion Luminescence ◽  
Core Shell ◽  
High Quantum Yield ◽  
High Quality ◽  
Shell Nanoparticles ◽  
One Pot ◽  
High Quantum ◽  
One Pot Synthesis ◽  
Core Shell Nanoparticles

High quality β-NaGdYF4:Yb/Er and high quantum yield β-NaGdF4:Yb/Er@β-NaYF4 core shell nanoparticles were synthesized.

High quantum yield photoluminescent N-doped carbon dots for switch sensing and imaging

Talanta ◽  
2021 ◽  
Vol 222 ◽  
pp. 121663 ◽  
Author(s):  
Zhihui Yi ◽  
Ximing Li ◽  
Hongyu Zhang ◽  
Xiuling Ji ◽  
Wei Sun ◽  
...  
Keyword(s):  
Quantum Yield ◽  
Carbon Dots ◽  
High Quantum Yield ◽  
High Quantum ◽  
Doped Carbon Dots

High quantum yield pure blue emission and fast proton conduction from an indium–metal–organic framework

2019 ◽  
Vol 48 (32) ◽  
pp. 12088-12095 ◽  
Author(s):  
Lu Zhai ◽  
Jing-Wei Yu ◽  
Jin Zhang ◽  
Wen-Wei Zhang ◽  
Lifeng Wang ◽  
...  
Keyword(s):  
Quantum Yield ◽  
Metal Organic Framework ◽  
Blue Emission ◽  
Proton Conduction ◽  
Blue Luminescence ◽  
High Quantum Yield ◽  
Fast Proton ◽  
High Quantum ◽  
Metal Organic ◽  
Indium Metal

A 3D anionic In3+–MOF integrates the multifunctionality of pure blue luminescence with a high quantum yield of 61.4% and water-mediated fast proton conduction with σ = 2.90–9.22 × 10−3 S cm−1 at 25–60 °C and 99% RH.

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