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Effective Yellow Y3Al5O12:Ce3+ Nanophosphor for Light‐Emitting Diode and Photovoltaic Cell as a Downconverter
Physica Status Solidi (A) - Applications and Materials Science Pub Date : 2020-08-20 , DOI: 10.1002/pssa.202000178 Taewook Kang 1 , Hyunwoo Kang 2 , Hyundon Jeong 2 , Jehong Park 2 , Taehoon Kim 3 , Jongsu Kim 1, 2
Physica Status Solidi (A) - Applications and Materials Science Pub Date : 2020-08-20 , DOI: 10.1002/pssa.202000178 Taewook Kang 1 , Hyunwoo Kang 2 , Hyundon Jeong 2 , Jehong Park 2 , Taehoon Kim 3 , Jongsu Kim 1, 2
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Yellow Y3Al5O12:Ce3+ (YAG:Ce) nanophosphors are prepared through a coprecipitation method. The optimal one shows a single phase, with a particle size of less than 50 nm and the broad photoluminescence (PL) spectra with a maximum peak at 560 nm. Its best quantum efficiency of 65% is achieved, and its lumen maintenance at 200 °C approaches 76%, which is comparable with that of a commercial bulk phosphor. Its applications to white light‐emitting diode (LED) and photovoltaic cell as downconverter are demonstrated. The white LED with the nanophosphor shows higher color rendering index (79) than that of the bulk (74). The significant photovoltaic efficiency is enhanced from 17.2% to 19.1%.
中文翻译：
有效的黄色Y3Al5O12：Ce3 +纳米磷光体，用于发光二极管和光伏电池作为下变频器
通过共沉淀法制备黄色Y 3 Al 5 O 12：Ce 3+（YAG：Ce）纳米磷光体。最佳的是单相，粒径小于50 nm，宽的光致发光（PL）光谱最大峰在560 nm。它的最佳量子效率达到了65％，其在200°C时的流明维持率接近76％，与市售的块状磷光体相当。演示了其在白光发光二极管（LED）和光伏电池中作为下变频器的应用。具有纳米磷光体的白色LED的显色指数（79）比整体（74）高。显着的光伏效率从17.2％提高到19.1％。
更新日期：2020-10-22
中文翻译：
有效的黄色Y3Al5O12：Ce3 +纳米磷光体，用于发光二极管和光伏电池作为下变频器
通过共沉淀法制备黄色Y 3 Al 5 O 12：Ce 3+（YAG：Ce）纳米磷光体。最佳的是单相，粒径小于50 nm，宽的光致发光（PL）光谱最大峰在560 nm。它的最佳量子效率达到了65％，其在200°C时的流明维持率接近76％，与市售的块状磷光体相当。演示了其在白光发光二极管（LED）和光伏电池中作为下变频器的应用。具有纳米磷光体的白色LED的显色指数（79）比整体（74）高。显着的光伏效率从17.2％提高到19.1％。
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