A5001910632- Carbon and Quantum Dots Applications
- Nanocluster Synthesis and Applications
- Luminescence and Fluorescent Materials
- Quantum Dots Synthesis And Properties
- Nanoplatforms for cancer theranostics
- Advanced Nanomaterials in Catalysis
- Advanced Photocatalysis Techniques
- Advanced Sensor and Energy Harvesting Materials
- Gas Sensing Nanomaterials and Sensors
- Electrochemical sensors and biosensors
- Graphene and Nanomaterials Applications
- Diamond and Carbon-based Materials Research
- Perovskite Materials and Applications
- Supramolecular Self-Assembly in Materials
- Luminescence Properties of Advanced Materials
- Electronic and Structural Properties of Oxides
- Heavy Metal Exposure and Toxicity
- Advanced biosensing and bioanalysis techniques
- solar cell performance optimization
- Advanced SAR Imaging Techniques
- Organic Light-Emitting Diodes Research
- Catalytic Processes in Materials Science
- Gold and Silver Nanoparticles Synthesis and Applications
- Polydiacetylene-based materials and applications
- 2D Materials and Applications
Zhengzhou University
2017-2025
University of Science and Technology of China
2024
Hunan University
2021
Reactive oxygen species (ROS) are generated in the body and related to many pathophysiological processes. Hence, detection of ROS is indispensable understanding, diagnosis, treatment diseases. Here, near-infrared (NIR) chemiluminescent (CL) carbon nanodots (CDs) fabricated for first time their CL quantum yield can reach 9.98 × 10-3 einstein mol-1, which highest value ever reported CDs until now. Nanointegration NIR peroxalate (P-CDs) through bridging effect amphiphilic triblock copolymer...
The various luminescent properties of carbon nanodots (CDs) reveal fascinating applications in several areas. Here, bright and multicolor chemiluminescence (CL) is realized from CDs, whose CL quantum yield can be optimized by adjusting the energy level alignment between CDs 1,2-dioxetanedione intermediate generated reaction peroxalate hydrogen peroxide. A 9.32 × 10
Advanced antibacterial technologies are needed to counter the rapid emergence of drug-resistant bacteria. Image-guided therapy is one most promising strategies for efficiently and accurately curing bacterial infections. Herein, a chemiluminescence (CL)-dynamic/guided antibacteria (CDGA) with multiple reactive oxygen species (ROS) generation capacity chemiexcited near-infrared emission has been designed precise theranostics infection by employing emissive carbon nanodots (CDs) peroxalate as...
Abstract It remains a challenge to obtain biocompatible afterglow materials with long emission wavelengths, durable lifetimes, and good water solubility. Herein we develop photooxidation strategy construct near-infrared carbon nanodots an extra-long lifetime of up 5.9 h, comparable that the well-known rare-earth or organic long-persistent luminescent materials. Intriguingly, size-dependent evolution from 3.4 h has been observed systems in aqueous solution. With structural/ultrafast dynamics...
Abstract It still remains a challenge to synthesize solid‐state carbon dots (CDs) with high emission efficiency; hurdle that has hindered the application of CDs in many fields. In this work, efficient fluorescent have been prepared through one‐step microwave‐assisted heating method. Experimental data show strong green emissions produced from CD powders (CDPs), carrying an unprecedented 75.9% quantum yield due both spatial confinement and defect reduction introduction NaOH. Likewise, CDPs...
Abstract Carbon nanodots (CDs) have emerged as an alternative option for traditional nanocrystals due to their excellent optical properties and low toxicity. Nevertheless, high emission efficiency is a long‐lasting pursuit CDs. Herein, CDs with near‐unity are prepared via atomic condensation of doped pyrrolic nitrogen, which can highly localize the excited states thus lead formation bound excitons symmetry break π –electron conjugation. The short radiative lifetimes (<8 ns) diffusion...
Abstract Room‐temperature phosphorescence has received much attention owing to its potential applications in information encryption and bioelectronics. However, the preparation of full‐color single‐component‐derived phosphorescent materials remains a challenge. Herein, facile situ confining strategy is proposed achieve carbon dots (CDs) through rapid microwave‐assisted carbonization citric acid NaOH. By tuning mass ratio NaOH, obtained CDs exhibit tunable wavelengths ranging from 483 635 nm...
Herein, the effect of carbon nanodots (CDs) on stress resistance peanuts has been studied. It is found that stress-resistance ability peanut plants can be enhanced significantly when cultivated in CD aqueous solution with optimal concentration. Because increased ability, growth boosted, and output by about 9%. Confocal fluorescence images showed CDs transferred from roots to leaves through xylem vessels plants. The existence hydrophilic radical groups surface may result largely retaining...
Abstract Hydrogen peroxide (H 2 O ) is an important product generated in the body and related to many pathophysiological processes glucose metabolism disorder can cause fatal diseases living bodies. Therefore, sensing of H great significance disease diagnostics treatment. Fluorescent carbon dots (CDs) are one new class nanoprobes for glucose. Nevertheless, CD-based sensor always based on its fluorescence response, which influenced by auto-fluorescent interference. Herein, efficient...
Abstract Carbon nanogels (CNGs) with dual ability of reactive oxygen species (ROS) imaging and photodynamic therapy have been designed self‐assembled chemiluminescent carbonized polymer dots (CPDs). With efficient deep‐red/near‐infrared chemiluminescence (CL) emission distinctive capacity, the H 2 O ‐driven CNGs are further by assembling polymeric conjugate CL donors, enabling an in vitro vivo ROS bioimaging capability animal inflammation models a high‐performance for xenograft tumors....
Abstract Due to the broadband response and low selectivity of external light, negative photoconductivity (NPC) effect holds great potential applications in photoelectric devices. Herein, different photoresponsive carbon nanodots (CDs) are prepared from diverse precursors NPC CDs utilized achieve optoelectronic logic gates optical imaging for first time. In detail, mcu ‐CDs which by microwave‐assisted polymerization citric acid urea possess large specific surface area abundant hydrophilic...
Hydrogen peroxide (H2O2) is an important product of oxidase-based enzymatic reactions, such as glucose/glucose oxidase (GOD) reaction. Therefore, the probing generated H2O2 for achieving detection various carbohydrates and their oxidases very significative. Herein, we report one kind dual-emission carbon nanodots (CDs) that can serve novel dual-mode nanosensors with both fluorometric colorimetric output selective H2O2. The dual-model are established only by undecorated CDs, where significant...
Localized excitons are expected to achieve high-performance electroluminescence and have been widely investigated in GaN-based light-emitting diodes (LEDs). Although carbon nanodot (CD) based LEDs achieved with the radiative recombination of electrons holes, localized excitonic has not reported before. In this Letter, electroluminescent devices fabricated using fluorescent CDs as an active layer. The show strong yellow emission a fluorescence quantum yield 76% Stokes shift 2.1 eV. CD-based...
Safely recycling high-performance fluorescent materials from waste is an appealing route to reduce environmental pollution. This work presents one facile approach massively producing carbon nanodots (CNDs) discarded cooked eggshells. The obtained CND solution exhibits two excitation-independent deep-red emission peaks at 632 and 700 nm with a high photoluminescence quantum yield of 19.98% narrow full width half-maximum (FWHM) 16.2 nm. the CNDs originates porphyrin-like structure in CNDs,...
In the process of commercialization, it is critical to develop appropriate routes decrease pollution and cost for preparing purifying carbon nanomaterials in a large scale. Here, low-pollution recyclable approach has been developed synthesize fluorescent nanodots (CDs). this route, citric acid urea were used as precursors N,N-diethylformamide (DMF) was solvent eluent solvent-thermal polymerization CDs separation different emissive chromatography. The unreacted (citric urea), effluent, DMF...