ArticleLight, science & applications2022
Electron-phonon coupling-assisted universal red luminescence of o-phenylenediamine-based carbon dots.
Article in Light, science & applications, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
27 citing papers in PubMed.
- Construction of High-Efficiency Blue/Red Fluorescent Dual Anti-Counterfeiting Based on Reed-Based Carbon Dots/MCM-41 System and Smartphone RGB Analysis.Journal of fluorescence · 2026Article
- L-Lactic Acid-Based N-Doped Carbon Quantum Dots with Phenylenediamine Isomers as a Nitrogen Source for the Highly Sensitive Detection of FeMaterials (Basel, Switzerland) · 2026Article
- Green synthesis and multi-Gaussian analysis of carbon quantum dots from orange peels: optical properties, phonon interactions, and Huang-Rhys factor characterization.Scientific reports · 2025Article
- Multi-Batch Consecutive Foliar Spraying Zinc-Carbon Dot Nano-Fertilizer Improving Soil Health for Bok Choy Cultivation Production.Nanomaterials (Basel, Switzerland) · 2025Article
- Luminescent Quenching of o-toluidine Based Carbon Dots for FeJournal of fluorescence · 2025Article
- Precursor-dependent photoluminescence diversity in carbonized polymer dots: the luminophores and crosslinking.National science review · 2025Review
- "Turn-on-off" Fluorescent Probes Based on Carbon Nanoparticles for Hypochlorite and FeJournal of fluorescence · 2025Article
- An effective fluorescence strategy based on xanthine oxidase catalysis and the carbon dots' specific response to ·OH for aminophylline pharmacokinetic studies.Materials today. Bio · 2025Article
- Precision Nanoconfined Self-Assembly of ACQ Carbon Dots for Enhanced Solid-State Fluorescence.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Surface Engineering Enabled Capacitive Gas-Phase Water Molecule Sensors in Carbon Nanodots.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Control Synthesis of Multicolor Emitting Carbonized Polymer Dots Using Different Dihydroxynaphthalene Isomers.JACS Au · 2025Article
- Elucidating Manganese Single-Atom Doping: Strategies for Fluorescence Enhancement in Water-Soluble Red-Emitting Carbon Dots and Applications for FL/MR Dual Mode Imaging.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Antimicrobial drug-derived carbon quantum dots for photodynamic therapy of bedsores and bacterial infections.American journal of translational research · 2025Article
- Solvent-Controlled Strategy for Color-Tunable Fluorescence Carbon Dots and Their Application in Light-Emitting Diodes.Molecules (Basel, Switzerland) · 2024Article
- Metal-Doping Strategy for Carbon-Based Sonosensitizer in Sonodynamic Therapy of Glioblastoma.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
- Intermediate aminophenol enables hectogram-scale synthesis of highly bright red carbon quantum dots under ambient conditions.Chemical science · 2024Article
- Curcumin-polydopamine nanoparticles alleviate ferroptosis by iron chelation and inhibition of oxidative stress damage.RSC advances · 2024Article
- A new route towards polarized luminescence: 0D/2D nanocomposites.Light, science & applications · 2024Article
- Comprehensive advances in the synthesis, fluorescence mechanism and multifunctional applications of red-emitting carbon nanomaterials.Nanoscale advances · 2023Review
- The Preparation of Golgi Apparatus-Targeted Polymer Dots Encapsulated with Carbon Nanodots of Bright Near-Infrared Fluorescence for Long-Term Bioimaging.Molecules (Basel, Switzerland) · 2023Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
12 authors.
Funding
Abstract
Due to the complex core-shell structure and variety of surface functional groups, the photoluminescence (PL) mechanism of carbon dots (CDs) remain unclear. o-Phenylenediamine (oPD), as one of the most common precursors for preparing red emissive CDs, has been extensively studied. Interestingly, most of the red emission CDs based on oPD have similar PL emission characteristics. Herein, we prepared six different oPD-based CDs and found that they had almost the same PL emission and absorption spectra after purification. Structural and spectral characterization indicated that they had similar carbon core structures but different surface polymer shells. Furthermore, single-molecule PL spectroscopy confirmed that the multi-modal emission of those CDs originated from the transitions of different vibrational energy levels of the same PL center in the carbon core. In addition, the phenomenon of "spectral splitting" of single-particle CDs was observed at low temperature, which confirmed these oPD-based CDs were unique materials with properties of both organic molecules and quantum dots. Finally, theoretical calculations revealed their potential polymerization mode and carbon core structure. Moreover, we proposed the PL mechanism of red-emitting CDs based on oPD precursors; that is, the carbon core regulates the PL emission, and the polymer shell regulates the PL intensity. Our work resolves the controversy on the PL mechanism of oPD-based red CDs. These findings provide a general guide for the mechanism exploration and structural analysis of other types of CDs.
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.