Preparation of Medium-Long Wavelength Aggregation Aggregation-Induced Emission Carbon Dots Induced by Nitrogen and Sulfur Doping DOI

Liu Ding,

Shouwang Kang,

Guoqiang Fan

et al.

Published: Jan. 1, 2024

Language: Английский

The Formation Mechanism of Carbonized Polymer Dots: Crosslinking‐Induced Nucleation and Carbonization DOI
Chunlei Xia,

Jundong Zhong,

Xiao Han

et al.

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(44)

Published: Aug. 2, 2024

Abstract Carbon dots (CDs), as a kind of zero‐dimensional nanomaterials, have been widely synthesized by bottom‐up methods from various precursors. However, the formation mechanism is still unclear and controversial, which also brings difficulty to regulation structures properties. Only some tentative processes were postulated analyzing products obtained at different reaction times temperatures. Here, effect crosslinking on carbonized polymer (CPDs) explored. Crosslinking‐induced nucleation carbonization (CINC) proposed driving force for CPDs. Under hydrothermal synthesis, precursors are initiated polymerize crosslink. The higher hydrophobicity generate hydrophilic/hydrophobic microphase separation, promotes dehydration resulting in Based principle CINC, influence factors size revealed. Moreover, dissipative particle dynamics (DPD) simulation employed support this mechanism. This concept CINC will bring light process CPDs, well facilitate CPDs’ photoluminescence.

Language: Английский

Citations

15

Reaction Temperature-Controlled synthesis of multicolor aggregation-induced emission carbon dots and their various applications in anti-counterfeiting, fingerprint detection DOI

Liming Fu,

Cheng Zhang, Haitao Li

et al.

Microchemical Journal, Journal Year: 2024, Volume and Issue: 202, P. 110765 - 110765

Published: May 14, 2024

Language: Английский

Citations

7

Dual Ratiometric Fluorescence Sensors Based on Chiral Carbon Dots for the Sensitive and Specific Detection of Arginine DOI
Min Liu, Huanhuan Zhang,

Chenzhao Wang

et al.

Analytical Chemistry, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 15, 2025

Arginine (Arg) is involved in tissue metabolism and regulates the immune function; thereby, achieving detection of Arg crucial for early diagnosis treatment diseases. Herein, dual ratiometric fluorescence sensors were prepared with blue emission levorotatory/dextrorotatory carbon dots (CDs) red porphyrin (L/D-CDs-PP) sensitive portable Arg. Interestingly, L-CDs-PP D-CDs-PP displayed not only peaks at 493 650 nm but also different response modes to Arg; thus, they could serve as achieve accurate reliable Arg, limit 23.87 μM 2.39 D-CDs-PP. Importantly, solid-state successfully achieved dual-mode visual support a smartphone platform. In addition, exhibited excellent biocompatibility cell imaging capabilities, cells biological samples urine rat plasma. Therefore, broad application prospects fields analytical sensing, imaging, medical diagnosis.

Language: Английский

Citations

0

Full-Color Emissive Organosilicon-Coated Carbon Dots Microspheres for Latent Fingerprint Development with Level 3 Details DOI
Jiashi Chen,

Xiyue Cao,

Wen Hong Fan

et al.

Composites Communications, Journal Year: 2025, Volume and Issue: unknown, P. 102277 - 102277

Published: Jan. 1, 2025

Language: Английский

Citations

0

Preparation of medium-long wavelength aggregation aggregation-induced emission carbon dots induced by nitrogen and sulfur doping DOI

Shouwang Kang,

Guoqiang Fan,

Liu Ding

et al.

Optical Materials, Journal Year: 2025, Volume and Issue: unknown, P. 116896 - 116896

Published: March 1, 2025

Language: Английский

Citations

0

Dynamically photoregulated multicolor materials for accurate color-difference-based information encryption DOI

Xin Cong,

Kaide Ou,

Xuelin Dong

et al.

Journal of Photochemistry and Photobiology A Chemistry, Journal Year: 2025, Volume and Issue: unknown, P. 116372 - 116372

Published: March 1, 2025

Language: Английский

Citations

0

Acid-base interaction modulating the pH responsiveness of fluorescent carbon nanoparticles for time-resolved information encryption and anti-counterfeiting DOI
Sha Luo, Haitao Deng, Junyi Chen

et al.

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 161778 - 161778

Published: March 1, 2025

Language: Английский

Citations

0

Ratiometric Fluorescent Sensors for Real-Time Monitoring Cellular Autophagy Levels during Diabetic Wound Healing DOI
Fei Yang,

Xiuzhu Huo,

Xiaoyu Fu

et al.

ACS Sensors, Journal Year: 2025, Volume and Issue: unknown

Published: April 11, 2025

Hard-healing wounds are a serious issue faced by diabetic patients, and the cellular autophagy level is closely related to wound healing progress. However, it difficult monitor real-time levels in living organisms. In this work, we provided new fluorescent sensor IN-NH2 based on modification of 2-substituted quinoline, giving an excellent ability quantify pH fluctuation lysosomes during autophagy. This was successfully applied monitoring model rats, showing potential for exploring internal mechanism between disease progression.

Language: Английский

Citations

0

Water-Responsive Fluorescence and Room-Temperature Phosphorescence Carbon Dots for Trace Water Detection in Ethylene Glycol and Multimodal Anticounterfeiting DOI
Li Yang,

Yong Wei Jin,

Zhihui Xu

et al.

Langmuir, Journal Year: 2025, Volume and Issue: unknown

Published: April 30, 2025

Identifying trace water in ethylene glycol is essential for maintaining stringent quality control chemical processes and ensuring product purity. However, the development of highly sensitive detection methods aqueous impurities within this viscous solvent presents significant challenges, primarily arising from strong intermolecular hydrogen bonding network glycol, which not only masks presence but also interferes with conventional analytical techniques. This work introduces a novel fluorescence-based method that combines simplicity, efficiency, rapid response by leveraging water-responsive carbon dots (CDs). Specifically, we synthesized (WCDs) exhibit enhanced fluorescence anhydrous glycol. Notably, introduction induces concentration-dependent enhancement at 394 nm, establishing linear correlation 0-0.284% (v/v) content range (detection limit: 0.017%, 3σ/S) remarkably low. By exploiting between WCDs cellulose paper matrices, triplet excited states are effectively stabilized, thereby enabling green room-temperature phosphorescence (RTP) emission. enables precise modulation WCDs' aggregation-dispersion through controlled water/ethanol addition, mechanism drives stimulus-responsive transitions RTP. These tunable optical properties validate create new opportunities developing dual-mode dynamic anticounterfeiting technologies.

Language: Английский

Citations

0

Highly Efficient Wavelength Red‐Shift Regulating Strategy of Carbon Dots Composites via the Effective Conjugated Domain and the Hydrogen Bonding Synergy DOI
Xiaoyi Huang, Xilang Jin,

Haiyan Bai

et al.

Advanced Materials, Journal Year: 2025, Volume and Issue: unknown

Published: May 5, 2025

Abstract Room‐temperature phosphorescent (RTP) materials hold significant potential for applications in lighting, anti‐counterfeiting, and multi‐level information encryption. However, regulating RTP emission wavelengths, especially shifting into the red spectral region, remains challenging due to spin‐forbidden transitions of triplet‐state excitons non‐radiative decay. To address this issue, carbon dots (CDs) with different conjugated domain sizes are designed synthesized. The CDs then encapsulated polyacrylamide (PAM), resulting multicolored ranging from cyan (465–635 nm), phosphorescence exceeding 10 s 2 s, respectively. mechanism suggests that enhanced conjugation effect leads energy level splitting strengthened electron coupling, which lowers gap between singlet triplet excitons, ultimately causing a redshift wavelength. Meanwhile, introduction hydrogen bonding protects excited state electrons, suppresses transitions, induces CDs. These applied encryption time‐delayed LED illumination, offering novel strategies high‐security technologies advanced optical devices.

Language: Английский

Citations

0