Advanced Materials

Self-Waveguided Gain-Narrowing of Blue Light Emission from Epitaxially Oriented p-Sexiphenyl Crystals



The fabrication of microwaveguides from self-organized single crystals of p-phenylene oligomers is proposed here—one step towards the realization of room-temperature organic continuous-wave lasers. p-Sexiphenyl (p-6P, see Figure) is more stable than other common emissive molecules for organic electroluminescence devices and is shown to be a promising candidate for an organic semiconductor blue laser.