Photoluminescent carbon nanodots for artificial photosynthesis

Rajie A.  MEDINA; Michael E.  FRANCO; Lyn Marie  DE JUAN-CORPUZ; Ryan D.  CORPUZ

doi:10.55713/jmmm.v34i1.1824

Authors

Rajie A. MEDINA Technological University of the Philippines-Manila Ayala Blvd., Ermita, Manila, 1000, Philippines
Michael E. FRANCO Technological University of the Philippines-Manila Ayala Blvd., Ermita, Manila, 1000, Philippines
Lyn Marie DE JUAN-CORPUZ Nano Society of the Philippines, Inc., Philippines; Nanolabs LRC Co. Ltd. 52, Tampoy 2, Marulas, Valenzuela City, 1441, Philippines; Physics Department, De La Salle University, Manila, Philippines; Philippine Textile Research Institute, Department of Science and Technology, Taguig City, Philippines https://orcid.org/0000-0002-8634-5071
Ryan D. CORPUZ Nano Society of the Philippines, Inc., Philippines; Nanolabs LRC Co. Ltd. 52, Tampoy 2, Marulas, Valenzuela City, 1441, Philippines; Physics Department, De La Salle University, Manila, Philippines; Philippine Council for Industry, Energy, and Emerging Technology Research and Development, Department of Science and Technology, Taguig City, Philippines

DOI:

https://doi.org/10.55713/jmmm.v34i1.1824

Keywords:

carbon nanodots, Photoluminescence, Artificial photosynthesis, Sustainable agriculture, smart farming

Abstract

The emerging field of carbon dots (CDs), a type of carbon nanostructure that has gained significant attention due to its unique properties and potential applications. CDs possess remarkable attributes, including photoluminescence, electrochemical potential, compatibility with living organisms, solubility in water, chemical stability, and versatile surface properties. The chemical structure, particle size, and surface functionalities of CDs all have an impact on their photoluminescent properties, which are the focus of this review. The photoluminescence mechanism in CDs is discussed, highlighting their amorphous structure, and comparing them to graphene quantum dots. The paper delves into the application of CDs in artificial photosynthesis, which enhances crop growth by improving the photo-synthesis process. CDs increase sunlight and carbon dioxide absorption rates by interacting with plant leaves, potentially leading to substantial crop yield improvements. The advantages of CDs in artificial photosynthesis are explored, including their modifiable absorption characteristics across the ultraviolet to near-infrared spectrum. The paper acknowledges challenges in CD production, such as size control and aggregation, while emphasizing their potential in various fields, including sensing, bioimaging, energy devices, and catalysis. CDs' unique optical properties and versatile applications suggest a promising future for these nanostructures in numerous scientific and technological domains.

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