Ambipolar light-emitting organic single-crystal transistors with a grating resonator.

ABSTRACT: Electrically driven organic lasers are among the best lasing devices due to their rich variety of emission colors as well as other advantages, including printability, flexibility, and stretchability. However, electrically driven lasing in organic materials has not yet been demonstrated because of serious luminescent efficiency roll-off under high current density. Recently, we found that the organic ambipolar single-crystal transistor is an excellent candidate for lasing devices because it exhibits less efficient roll-off, high current density, and high luminescent efficiency. Although a single-mode resonator combined with light-emitting transistors (LETs) is necessary for electrically driven lasing devices, the fragility of organic crystals has strictly limited the fabrication of resonator

SUBMITTER: Maruyama K 

PROVIDER: S-EPMC4426699 | biostudies-literature | 2015 May

REPOSITORIES: biostudies-literature