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Commentary Open Access

A Brief Note on Multifaceted Aspect of Functional Quantum Dots

  • 1Applied Optics and Photonics Lab, Department of Physics, Tezpur University, Tezpur-784028, Assam, India
+ Affiliations - Affiliations

Corresponding Author

Rajib Biswas, rajib@tezu.ernet.in

Received Date: March 25, 2026

Accepted Date: June 08, 2026

Abstract

Discovered in 1981, Quantum Dots (QDs) are semiconductor nanocrystals defined by quantum confinement, which allows for precise sizetuneable optoelectronic properties. Their brightness, photostability, and discrete energy levels have revolutionized fields from energy storage to optoelectronics. This brief note focuses on the transformative role of QDs as a multi-faceted entity. We underline the historical evolution of synthesis and surface functionalization techniques that enable advanced applications in imaging and biosensing. Despite their potential for application in domain such as precision medicine, challenges regarding cytotoxicity and biocompatibility remain significant hurdles. By exploring current research into safer design strategies and regulatory frameworks, this work outlines how integrating QDs with broader nanotechnologies will shape the future of clinical diagnostics and personalized therapy.

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