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Ambient laser direct-write printing of a patterned organo-metallic electroluminescent device

机译:图案化有机金属电致发光器件的环境激光直写印刷

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In this work we use laser direct-write (LDW) to fabricate patterned [Ru(dtb-bpy)_3]~(2+)(PF_6~- )_2 electroluminescent devices under ambient processing conditions. Device fabrication is accomplished via laser micromachining of a transparent conducting oxide top electrode, LDW printing the active organo-metallic material, and vapor depositing the bottom electrode. Nuclear magnetic resonance spectroscopy is used to ensure the transfer of damage-free luminophore material. Devices tested in air are shown to exhibit emission spectra, luminous efficiencies, and lifetimes similar to literature values for devices fabricated in nitrogen environments. The versatility of laser direct-write printing is then demonstrated by printing multi-color luminophore patterns with diameters down to 10 μm for future use in high-resolution device fabrication. This approach is compatible with large-area organic electronics that require the fabrication of high-resolution architectures.
机译:在这项工作中,我们使用激光直接写入(LDW)在环境处理条件下制造图案化的[Ru(dtb-bpy)_3]〜(2 +)(PF_6〜-)_2电致发光器件。器件的制造是通过对透明导电氧化物顶部电极进行激光微加工,LDW印刷活性有机金属材料以及气相沉积底部电极来完成的。核磁共振波谱用于确保无损伤发光材料的转移。在空气中测试的设备显示出与氮环境中制造的设备相似的发射光谱,发光效率和使用寿命。然后通过打印直径低至10μm的多色发光体图案来证明激光直写打印的多功能性,以供将来在高分辨率设备制造中使用。这种方法与需要制造高分辨率架构的大面积有机电子设备兼容。

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