[16p-K406-1~16] 12.3 Functional Materials and Novel Devices

2:45 PM - 3:00 PM JST(5:45 AM - 6:00 AM UTC)

[16p-K406-7] Crystallization and electrical- luminescence properties of rubrene thin films with underlayer

Yuya Honda¹, 〇Masahiro Morimoto¹, Shigeki Naka¹ (1.Univ. of Toyama)

Keywords:

rubrene,crystallized thin films,luminescence properties

Single-crystal rubrene has been reported to have a high carrier mobility of 40 cm²/Vs. However, there are few reports on the crystallization of rubrene thin film and its electrical properties in the out-of-plane direction. This is attributed to the many challenges in thin film planarization with crystallization. In contrast, some studies have indicated that an amorphous underlayer with a low glass transition temperature (T_g) facilitates the crystallization of rubrene thin films.
In this study, we evaluated the out-of-plane electrical and luminescence properties to the substrate of the rubrene thin film, which is crystalized using an amorphous underlayer and annealing treatment.