Title:Biogenic Carbon Quantum Dots: Synthesis and Applications
Volume: 31
Issue: 25
关键词:
生物,碳,量子点,纳米材料,零维,电子。
摘要: The new class of nanomaterials termed carbon dots: a quasi-spherical nanoparticle
having a size less than 10 nm, possesses some unique characteristics like good aqueous
solubility, colloidal stability, resistance to photobleaching, and fluorescence tunability,
resulting in the unfolding of their various properties and their usage in different applications.
Materials that are naturally derived or produced by living organisms are termed
‘biogenic’. Over the past few years, there has been a gradual increase in the use of naturally
derived materials in synthesizing carbon dots. Green precursors or biogenic materials
are of low cost, readily available, renewable, and environmentally benign. Most importantly,
they provide essential benefits not found in synthesized carbon dots. This review
focuses on the use of biogenic materials for the synthesis of biogenic carbon dots
developed in the past five years. It also briefly explains different synthetic protocols used,
along with some significant findings. Thereafter, an overview of the use of biogenic carbon
dots (BCDs) in different applications like chemo and biosensors, drug delivery, bioimaging,
catalysis and energy applications, etc., is discussed. Thus biogenic carbon dots
are future sustainable materials that are now fast replacing conventional carbon quantum
prepared from other sources.