A luminescence lifetime-based capillary oxygen sensor utilizing monolithically integrated organic photodiodes

Area of Science:

• Optoelectronics
• Sensor Technology
• Materials Science

Background:

• Fabricating optoelectronic devices on non-planar substrates presents unique challenges.
• Integrating sensing functionalities into compact formats is crucial for advanced diagnostics.

Purpose of the Study:

• To present a novel optical sensor device monolithically integrated on a glass capillary.
• To demonstrate the feasibility of fabricating organic optoelectronic devices on non-planar substrates.
• To realize an integrated oxygen sensor based on luminescence decay time measurement.

Main Methods:

• Monolithic integration of organic optoelectronic components onto a glass capillary substrate.
• Utilizing fabrication techniques suitable for non-planar surfaces.
• Implementing luminescence decay time measurement for sensing applications.

Main Results:

• Successful fabrication of an optical sensor device integrated onto a glass capillary.
• Demonstration of the device's functionality as an oxygen sensor.
• Validation of the luminescence decay time measurement principle for integrated sensing.

Conclusions:

• The monolithic integration of organic optoelectronic sensors on glass capillaries is feasible.
• The developed device serves as a functional integrated oxygen sensor.
• This approach enables novel sensor designs for various applications.