100th Anniversary of Macromolecular Science Viewpoint: High Refractive Index Polymers from Elemental Sulfur for Infrared Thermal Imaging and Optics
100th Anniversary of Macromolecular Science Viewpoint: High Refractive Index Polymers from Elemental Sulfur for Infrared Thermal Imaging and Optics
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DOI：
10.1021/acsmacrolett.9b00948
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发表时间：
2020-02-01
影响因子：
7.015
通讯作者：
Pyun, Jeffrey
中科院分区：
文献类型：
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作者：
Kleine, Tristan S.;Glass, Richard S.;Pyun, Jeffrey
中波和长波红外光谱(MWIR、LWIR)光学技术是近暗或全暗条件下实现高分辨率热成像的重要系统。虽然红外热成像在国防领域得到了广泛的应用，但这项技术的应用正被推向新兴的消费市场和交通运输。在这一观点下，我们回顾了红外热成像领域，并讨论了合成有机聚合物和杂化聚合物作为这一应用的新型红外传输材料的新用途。特别是，我们综述了元素硫作为一种新型原料通过反向硫化制备高折射率聚合物的关键作用，并讨论了提高这些聚合物材料红外透明度所需的基本化学见解。
Optical technologies in the midwave and long wave infrared spectrum (MWIR, LWIR) are important systems for high resolution thermal imaging in near, or complete darkness. While IR thermal imaging has been extensively utilized in the defense sector, application of this technology is being driven toward emerging consumer markets and transportation. In this viewpoint, we review the field of IR thermal imaging and discuss the emerging use of synthetic organic and hybrid polymers as novel IR transmissive materials for this application. In particular, we review the critical role of elemental sulfur as a novel feedstock to prepare high refractive index polymers via inverse vulcanization and discuss the fundamental chemical insights required to impart improved IR transparency into these polymeric materials.