Functional micro-defect modified plasma-induced physical unclonable function wrinkle labels exhibiting dual-mode luminescence and angle-tunable structural colors

Key Points

• The dual-mode luminescence allows for enhanced visibility and detection, creating new possibilities for security applications.
• Data demonstrated a clear distinction in color properties across different angles, supporting the angle-tunable structural features.
• Utilizing plasma-induced modification, the labels integrate complex features into a single system, optimizing design efficiency.
• Implications include significant advancements in anti-counterfeiting technologies, especially with colorful and luminescent features.