Hybrid organic semiconductor lasers for bio-molecular sensing

Area of Science:

• Biophotonics
• Organic Electronics
• Biosensing

Background:

• Bio-functionalised luminescent organic semiconductors offer dual functionality as laser materials and molecular interaction agents.
• Existing laser sensors often utilize alternative dye-doped materials, prompting comparative analysis.

Purpose of the Study:

• To present and discuss a novel laser biosensor platform.
• To experimentally and theoretically assess the potential and limits of nanolayer detection using organic semiconductors.
• To demonstrate specific biomolecular sensing and explore functionalisation routes.

Main Methods:

• Development of a laser biosensor platform with an organic semiconductor gain layer.
• Experimental demonstration of nanolayer detection.
• Theoretical analysis of sensor performance.
• Biomolecular sensing experiments with functionalised probes.

Main Results:

• The laser biosensor platform exhibits efficient operation and nanolayer detection capabilities.
• The advantages of organic semiconductors over alternative materials were elucidated.
• Specific biomolecular targets were successfully detected.
• Functionalisation with nucleic acid probes was demonstrated.

Conclusions:

• The developed laser biosensor platform shows significant potential for biophotonic applications.
• Organic semiconductors provide a promising material base for advanced biosensing.
• Future developments include integration with colloidal quantum dots and diverse sensing formats.