Semiconductor and carbon-based fluorescent nanodots: the need for consistency
A Cayuela1, M L Soriano1, C Carrillo-Carrión2
1Department of Analytical Chemistry, University of Córdoba, Marie Curie Building, Campus the Rabanales, E-14071 Córdoba, Spain. qa1vacam@uco.es.
Summary
This review classifies fluorescent nanodots, including semiconductor and carbon-based types, and details their properties and applications. It provides a framework for understanding these versatile nanomaterials in analytical and biomedical fields.
Area of Science:
- Nanotechnology
- Materials Science
- Photochemistry
Background:
- Fluorescent nanodots are increasingly utilized in analytical and biomedical applications.
- A need exists for a clear classification and understanding of their diverse types and properties.
Purpose of the Study:
- To systematically classify fluorescent nanodots based on nature, quantum confinement, and crystalline structure.
- To establish clear differences and similarities among nanodot types, including photoluminescence origins.
- To discuss the future potential of fluorescent nanodots in analytical and biomedical fields.
Main Methods:
- Systematic description and classification of semiconductor and carbon-based fluorescent nanodots (graphene quantum dots, carbon quantum dots, carbon nanodots).
- Proposal of new abbreviations and definitions to standardize terminology.
- Comparative analysis of nanodots based on synthesis, physico-chemical properties, optical characteristics, limitations, and applications.
Main Results:
- A clear classification distinguishing semiconductor and carbon-based nanodots is provided.
- Origins of photoluminescence for different nanodots are established.
- Comprehensive comparison of properties, applications, and publication trends is outlined.
Conclusions:
- Standardized classification and understanding of fluorescent nanodots are crucial for advancing their applications.
- Fluorescent nanodots offer significant promise for future innovations in analytical and biomedical science.


