SBIR Phase I: Synthesis of New Conjugated Polymers as Active Materials for Solid State Polymer Lasers

9861313 本小企业创新研究一期项目是合成一系列新型共轭聚合物作为固态聚合物激光器的活性材料。最近的努力，使二极管激光器的半导体聚合物受到限制的净增益，其中包括光致吸收（PA），浓度猝灭和自吸收。共轭聚合物的稀释共混物，本提案的主题，可以解决这些问题，通过福斯特能量转移。我们将合成一系列烷氧基苯基-PPV和烷基苯基-PPV作为主体聚合物，以展示和开发共轭聚合物共混物作为高增益/低损耗激光材料，并优化从主体到客体的Forster能量转移。该项目的成功完成将为聚合物提供更高的分子量和良好的溶解性，高的光致发光效率，良好的相容性和最大的光谱重叠与客体聚合物的性能。随后，在第二阶段，光泵浦受激发射将用于指导电泵浦激光器件的制造。 该研究将为开发高效、坚固的材料做出重要贡献，这些材料可提供重量轻、低功率的可寻址光源阵列，用于从简单的字母数字显示器到高信息含量平板显示器的广泛应用。

9861313 This Small Business Innovation Research Phase I Project is to synthesize a series of new conjugated polymers as active materials for solid state polymer lasers. Recent efforts to make diode lasers from semiconducting polymers are hindered by limitations to net gain, which include photoinduced absorption (PA), concentration quenching and self-absorption. Dilute blends of conjugated polymers, the subject of this proposal, can solve these problems through Forster energy transfer. We are going to synthesize a series of alkoxyphenyl-PPV and alkylphenyl-PPV as the host polymer to demonstrate and develop conjugated polymer blends as high gain/low loss laser materials and to optimize the Forster energy transfer from host to guest. Successful completion of the project will provide polymers with properties of higher molecular weight and good solubility, high photoluminescence efficiency, good compatibility and maximum spectra overlap with the guest polymers. Subsequently, in Phase II, photo-pumped stimulated emission will be used to guide the fabrication of the electrical pumped laser devices. The research will make an important contribution to development of efficient, robust materials providing light weight, low power addressable arrays of light sources for a broad range of applications from simple alphanumeric displays to high information content flat panel displays.