在Si基集成光电子学的发展中,实现高效的Si基光源始终是人们期待的目标.但是Si材料的间接带隙特性导致其发光效率低.目前,已经探索了多种Si基材料体系以提高Si材料的发光效率,但是尚未取得突破性的进展.近年来,光子晶体以其独特的控光能力而备受人们的关注,将光子晶体引入到Si基材料体系中可以显著提高Si基材料的发光效率,这无疑对Si基光电子学的发展起到了重要的贡献.本文简述了利用光子晶体提高Si基材料发光效率的机制,介绍了光子晶体在几种Si基材料中的应用,探索了Si基光子晶体发光器件的潜在应用前景.
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