Dual-functional multicolor carbon dots for fluorescence-based information encryption and Cr (VI) detection

Key Points

• Fluorescence-based detection of chromium (VI) using dual-functional carbon dots offers a novel approach to environmental monitoring.
• The carbon dots demonstrated strong fluorescence emissions in multiple colors, enhancing information encryption capabilities.
• Improved methods for detecting harmful chromium levels may enable better public health measures and safety regulations.
• The findings support dual applications in bio-sensing and data security, promoting advancements in nanotechnology.