Optimized Sensitivity in Copper(II) Ion Detection: Sustainable Fabrication of Fluorescence Red-Shifted Graphene Quantum Dots via Electron-Withdrawing Modulation

Optimized Sensitivity in Copper(II) Ion Detection: Sustainable Fabrication of Fluorescence Red-Shifted Graphene Quantum Dots via Electron-Withdrawing Modulation

Graphene quantum dots (GQDs) represent a class of promising nanomaterials characterized by adjustable optical properties, making them well suited for applications in biosensing and chemical detection. However, challenges persist in achieving scalable, cost-effective synthesis and enhancing detection...

Full description

Saved in:

Bibliographic Details
Main Authors:	Weitao Li, Qian Niu, Xinglong Pang, Shang Li, Yang Liu, Boyu Li, Shuangyan Li, Lei Wang, Huazhang Guo, Liang Wang
Format:	Article
Language:	English
Published:	MDPI AG 2025-03-01
Series:	Molecules
Subjects:	graphene quantum dots (GQDs) electron-withdrawing modulation copper detection nitrogen doping fluorescence red shift
Online Access:	https://www.mdpi.com/1420-3049/30/6/1244
Tags:	Add Tag No Tags, Be the first to tag this record!

Similar Items

Unveiling antidiabetic and antioxidant activities of biogenically synthesized red fluorescent graphene quantum dots using Bauhinia variegata L. leaves
by: Pooja Kadyan, et al.
Published: (2025-01-01)

Optical and electrical properties of pristine and transition Metals-doped graphene quantum dots as gas sensors toward H2O and NO2: A first principles study
by: Hamideh Sharifpour, et al.
Published: (2025-07-01)

Fluorescence Quenching of Graphene Quantum Dots from Orange Peel for Methyl Orange Detection
by: Weitao Li, et al.
Published: (2025-02-01)

Studies on glucose detection using graphene quantum dots prepared by hydrothermal method
by: Swapnali P. Rajmane, et al.
Published: (2025-07-01)

In Situ Growth of Au NPs on Nitrogen-Doped Graphene Quantum Dots Decorated Graphene Composites for the Construction of an Electrochemical Immunosensor and Its Application in CEA Detection
by: Zhengzheng Yan, et al.
Published: (2025-03-01)

The impact of dimethylformamide on the synthesis of graphene quantum dots derived from graphene oxide
by: Khuong T. Truong, et al.
Published: (2023-10-01)

An intelligent device with double fluorescent carbon dots based on smartphone for visual and point-of-care testing of Copper(II) in water and food samples
by: Tiange Li, et al.
Published: (2024-12-01)

Fabrication of anthracite-derived multicolor graphene quantum dots for their potential application in nanomedicine
by: Hongyu Pan, et al.
Published: (2024-01-01)

Detection of HPV-16 L1 antigen using MoS2 nanosheets and amine-functionalized copper doped carbon dots
by: Rajmohan Swetha, et al.
Published: (2025-06-01)

Assessment of neurobehavioral and histopathological impacts of graphene quantum Dots in NMRI mice
by: Farangiz Sourani, et al.
Published: (2025-07-01)

Design and numerical simulation of CuBi2O4 solar cells with graphene quantum dots as hole transport layer under ideal and non-ideal conditions
by: Muhammad Panachikkool, et al.
Published: (2025-01-01)

Mechanistic insight into the catalytic activities of metallic sites on nitrogen-doped graphene quantum dots for CO2 hydrogenation
by: Armin Mahmoudi, et al.
Published: (2024-12-01)

Evaluation of Different Blending Methods to Obtain Copper Composites with Graphene Oxide
by: Caique Movio Pereira de Souza, et al.
Published: (2024-11-01)

Heteroatom-doped magneto-fluorescent carbon dots, a potent agent for multimodal imaging
by: Abolghasem Abbasi Kajani, et al.
Published: (2024-11-01)

Graphene Quantum Dots for Glioblastoma Treatment and Detection–Systematic Review
by: Kacper Kregielewski, et al.
Published: (2025-06-01)

2009–2023 Bibliometric analysis of the clinical value of graphene quantum dots in glioblastoma treatment
by: Jingyan Zhu, et al.
Published: (2025-06-01)

Fabrication of a fast response non-enzymatic glucose sensor based on in-situ synthesized Cu-metal organic frameworks integrated with electrochemically reduced graphene quantum dots
by: Samaneh Makani, et al.
Published: (2025-01-01)

Electrochemical Detection of Dopamine with Graphene Oxide Carbon Dots Modified Electrodes
by: Omar Isaac Torres-Soto, et al.
Published: (2025-01-01)

Unraveling Charge Transfer Mechanisms in Graphene–Quantum Dot Hybrids for High-Sensitivity Biosensing
by: Shinto Mundackal Francis, et al.
Published: (2025-04-01)

Upgrading Biomass Wastes to Graphene Quantum Dots with White-Light-Emitting Features in the Solid State
by: Pierre Magri, et al.
Published: (2024-09-01)

Enhanced energy storage in electric double-layer capacitors using boron-doped graphene and upcycled carbon quantum dots derived from spent coffee grounds as electrode materials
by: Grishika Arora, et al.
Published: (2025-06-01)

p‐Graphene/Quantum Dot/n‐GaAs Mixed‐Dimensional Heterostructure Junction for Ultrathin Light‐Emitting‐Diodes
by: Quang Nhat Dang Lung, et al.
Published: (2025-06-01)

Investigating the Effect of Temperature and Time of the Process of Producing Graphene Quantum Dots by Carbonization on Structural, Microstructural, and Optical Properties
by: M. Nazari, et al.
Published: (2024-12-01)

Tunable copper oxide quantum dots: Electrochemical synthesis, characterization, and advanced applications
by: Supphadate Sujinnapram, et al.
Published: (2025-07-01)

Effects of graphene oxide and graphene oxide quantum dots on the osteogenic differentiation of stem cells from human exfoliated deciduous teeth
by: Xin Yang, et al.
Published: (2019-12-01)

Comparative study of defects in graphene flake grown on amorphous and crystalline copper surfaces
by: Laura Arango-Tabares, et al.
Published: (2025-01-01)

One-Step Hydrothermal Synthesis of Multicolour Graphene Quantum Dots and Study of Their Luminescence Mechanism
by: Beibei Wang, et al.
Published: (2025-06-01)

Study of the Sensitivity of Carbon Quantum Dots for NO2 Gas Sensor and improve it using Graphene
by: Omar Abdulsada Ali, et al.
Published: (2024-12-01)

Vertical Electric-Field-Induced Switching from Strong to Asymmetric Strong–Weak Confinement in GaAs Cone-Shell Quantum Dots Using Transparent Al-Doped ZnO Gates
by: Ahmed Alshaikh, et al.
Published: (2024-10-01)

Aptamer-functionalized graphene quantum dots combined with artificial intelligence detect bacteria for urinary tract infections
by: Kun Li, et al.
Published: (2025-04-01)

Enhancing FAPbI3 Perovskite Solar Cell Performance and Stability Through Bespoke Graphene Quantum Dots
by: Jin Kyoung Park, et al.
Published: (2025-01-01)

Enhancing the performance and antifouling properties of reverse osmosis membranes by graphene quantum dots for water desalination
by: Eman A. Fadl, et al.
Published: (2025-03-01)

Metal and non-metal doped carbon dots: properties and applications
by: Runnan Yu, et al.
Published: (2025-01-01)

Molecular dynamics simulation of silicon doping effects on the mechanical behavior of the defective graphene nanosheet
by: Mahdi Kazemi, et al.
Published: (2025-08-01)

Enhanced Charge Transfer and Responsivity in Hybrid Quantum Dot/Graphene Photodetectors Using ZnO as Intermediate Electron‐Collecting Layer
by: Seungbae Ahn, et al.
Published: (2020-06-01)

UV-VISIBLE OPTICAL ABSORBANCE OF GRAPHENE OXIDE IN COPPER IONIC LIQUID SYNTHESIZED VIA ELECTROCHEMICAL METHOD ASSISTED BY A COPPER COIL
by: Wipsar Sunu Brams Dwandaru, et al.
Published: (2018-08-01)

First-principles study of O3 molecule adsorption on pristine, N, Ga-doped and -Ga-N- co-doped graphene
by: Г.У. Билл, et al.
Published: (2024-09-01)

A Novel Chiral Molecularly Imprinted Electrochemical Sensor Based on β-CD Functionalized Graphene Quantum Dots for Enantioselective Detection of D-Carnitine
by: Feng Yang, et al.
Published: (2025-05-01)

Synthesis and properties of carbon quantum dots as an antimicrobial agent and detection of ciprofloxacin
by: Fangzhou Shen, et al.
Published: (2025-08-01)

Testing of Sinters Made of Copper Powders Coated with Carbon Structure Containing Graphene
by: Kamil RAJKOWSKI, et al.
Published: (2021-06-01)