Journal
JOURNAL OF LUMINESCENCE
Volume 219, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.jlumin.2019.116944
Keywords
Near-infrared; Phosphor; Broadband; Light-emitting diode
Categories
Funding
- Ministry of Science and Technology in Taiwan [MOST 106-2112-M-003-007-MY3, MOST 107-2113-M-002-008-MY3]
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Near-infrared (NIR) phosphors are enticing photoluminescent materials with applications in light-emitting diodes for spectroscopy. These phosphors have two types of emissions: Type I has a Gaussian curve, whereas Type II is similar to a plateau. Both emissions have industrial uses, but uncertain remains regarding which type is ideal. In this review, we compare two distinct NIR phosphors with Type I and Type II emissions in terms of their structure, crystal field, and emission profile and then provide our perspective on what the ideal emission must be.
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