Abstract
We report a novel blue emission triphenylamine substituted arylfluorene (SPhTPA) as organic optical gain medium with low amplified spontaneous emission (ASE) threshold. The optical gain related properties of SPhTPA and its blends with inert polymer, polystyrene (PS), were investigated in detail. This study shows the gain property and photo-stability of SPhTPA have been improved significantly by doping it into PS. The lowest ASE threshold was obtained for the SPhTPA/PS film doped with 20 wt.% SPhTPA. The film of the same doping ratio exhibited high net gain coefficient (27.8 cm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">-1</sup> ) and low loss coefficient (7.2 cm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">-1</sup> ). Moreover, the blend film demonstrated a significantly improved photo-stability. The ASE photo-stability half-life of the blend film was 15 fold higher than the pristine SPhTPA film when pumped in open ambient atmosphere. This paper suggests that this triphenylamine substituted arylfluorene is a highly prospective gain medium and doping it into PS is an efficient approach for developing air-stable SPhTPA-based organic lasers.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: IEEE Journal of Selected Topics in Quantum Electronics
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
