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Updated: May 12, 2026
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Production and Characterization of Vacuum Deposited Organic Light Emitting Diodes
Published on: November 16, 2018
Nanoimprinted organic semiconductor laser pumped by a light-emitting diode
Georgios Tsiminis1, Yue Wang, Alexander L Kanibolotsky
1Organic Semiconductor Centre, SUPA, School of Physics & Astronomy, University of St Andrews, St Andrews, UK.
Advanced Materials (Deerfield Beach, Fla.)
|April 13, 2013
Summary
Researchers developed a low-threshold organic semiconductor laser using UV-nanoimprint lithography (UV-NIL) and polymer resonators. This scalable fabrication method is compatible with mass-produced LEDs, paving the way for efficient organic lasers.
Area of Science:
- Optoelectronics
- Materials Science
- Nanotechnology
Background:
- Organic semiconductor lasers offer potential for low-cost, flexible devices.
- Efficient fabrication methods are crucial for commercial viability.
- Integration with existing semiconductor technologies is a key challenge.
Purpose of the Study:
- To demonstrate a novel organic semiconductor laser fabricated using UV-nanoimprint lithography (UV-NIL).
- To achieve a low threshold energy density for UV-NIL fabricated organic lasers.
- To establish the potential for scalable and cost-effective organic laser production.
Main Methods:
- Fabrication of a polymer distributed feedback resonator using UV-nanoimprint lithography (UV-NIL).
- Optimization of the polymer gain medium's molecular weight.
- Pumping the laser device with a pulsed Indium Gallium Nitride (InGaN) Light Emitting Diode (LED).
Main Results:
- Demonstration of an organic semiconductor laser.
- Achieved the lowest reported UV-NIL laser threshold density of 770 W cm(-2).
- Successfully optimized polymer gain medium and nanoimprinted resonator.
Conclusions:
- UV-NIL is a viable and scalable method for fabricating high-performance organic semiconductor lasers.
- The optimized laser design shows significant potential for integration with mass-produced LEDs.
- This work advances the development of cost-effective and efficient organic laser technologies.
