ArticleMolecules (Basel, Switzerland)2022
Photoluminescence Mechanism of Carbon Dots: Triggering Multiple Color Emissions through Controlling the Degree of Protonation.
Article in Molecules (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Fluorescent Carbon Dots from Cassava Peel Biomass for Enhanced Latent Fingerprint Visualization.ACS omega · 2026Article
- Biomass-Derived Red-Blue Solvatochromic Carbon Quantum Dots for UV-Blocking and Active Packaging Applications.ACS physical chemistry Au · 2026Article
- Carbon Dot Nanoparticles Synthesized from Horticultural Extracts for Postharvest Shelf-Life Extension of Fruits and Vegetables.Plants (Basel, Switzerland) · 2025Review
- Green Synthesis of Curcumin Loaded Carbon Dots as a Sustained Drug Delivery for Anticancer Therapy.Current pharmaceutical design · 2025Article
- Engineering of Green Carbon Dots for Biomedical and Biotechnological Applications.Molecules (Basel, Switzerland) · 2024Review
- Review
- Large-Scale Synthesis of Tunable Fluorescent Carbon Dots Powder for Light-Emitting Diodes and Fingerprint Identification.Molecules (Basel, Switzerland) · 2023Article
Corrections and comments
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Authors and funding
6 authors.
Funding
Abstract
Carbon dots (CDs) have excellent optical properties, low toxicity and easy preparation, which have led to them being widely used in biomedicine, sensing and optical devices. However, although great progress has been made in the preparation of CDs, the detailed exploration of their photoluminescence (PL) mechanism is still under debate due to their complex structures and surface functionalities. Here, we proposed a single change in the pH of the synthesis condition, which had no effect on the CDs intrinsic core states and avoided the mutual influence of multiple PL origins. The m-phenylenediamine (m-PD) served as a carbon source, whose protonation degree determined the surface state of the resulting CDs and the accompanying fluorescence characteristics. The as-obtained CDs materials can be applied in the chemical sensor and anti-counterfeiting fields in a targeted manner. Therefore, our work not only contributes to the explanation of the CDs PL mechanism, but also obtains a series of CDs materials with controllable PL properties.
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Registered trials
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