The effect of hydrogen, argon and acetylene on the evolution of nitrogen-doped carbon dots into carbon sheets and spheres

Key Points

• Carbon dots evolved into sheets and spheres with varying atmospheres of hydrogen, argon, and acetylene.
• Notably, nitrogen-doped carbon dots showed significant structural transformation when treated with these gases.
• Observational analysis focused on different gas atmospheres impacting carbon dot evolution over time.
• Highlighting the importance of gas composition, these findings may enable advancements in material science.