Phosphorene quantum dots: synthesis, properties and catalytic applications.

Area of Science:

• Materials Science
• Nanotechnology
• Catalysis

Background:

• Phosphorene quantum dots (PQDs) are novel zero-dimensional nanostructures with distinct properties.
• PQDs offer tunable band gaps, easy passivation, and high carrier mobility, attracting catalysis research.
• They are explored for electrocatalytic water splitting, nitrogen reduction, batteries, solar energy, and biocatalysis.

Purpose of the Study:

• To review and consolidate research on PQDs in catalytic applications.
• To discuss synthetic strategies and physiochemical properties of PQDs.
• To critically analyze PQD applications in photocatalysis and electrocatalysis, outlining challenges and future outlook.

Main Methods:

• Summarized various synthetic strategies: ultrasonic/electrochemical exfoliation, solvothermal, blender breaking, milling, crushing, pulsed laser irradiation.
• Discussed physiochemical properties from experimental and theoretical viewpoints.
• Critically reviewed applications in photocatalysis and electrocatalysis.

Main Results:

• PQDs exhibit promising catalytic potential for diverse applications.
• Various synthesis methods yield PQDs with tunable properties.
• PQDs are effective in solar energy devices, oxygen evolution, and hydrogen evolution reactions.

Conclusions:

• PQDs are versatile nanomaterials with significant potential in catalysis.
• Further research is needed to overcome current challenges and optimize PQD applications.
• PQDs are poised to play a crucial role in advancing sustainable energy technologies.