Structure and Luminescence Regulation in Y <sub>3</sub> Al <sub>5</sub> O <sub>12</sub> :Cr <sup>3+</sup> via Cation Substitution to Achieve Broadband Near-Infrared Emitting Garnet Phosphor
= 0.06 phosphor manifested wide-band NIR emission with a center at ∼764 nm and a full width at half-maximum of ∼135 nm, a high luminous efficiency (internal quantum efficiency = 75.6% and external quantum efficiency = 25.1%), and favorable thermal stability (74.5% at 423 K). The manufactured pc-NIR-LED device using this optimal phosphor exhibited satisfactory NIR output power (∼21.1 mW) and efficiency (8.53%), signifying that this garnet phosphor has potential for application in the construction of pc-NIR-LEDs for night vision, noninvasive medical diagnosis, and nondestructive detection.
Authors
- Zhijun Xu (ORCID: https://orcid.org/0000-0001-8561-5730)
- Qinghong Meng (ORCID: https://orcid.org/0000-0001-7648-2200)
- Yaping Wang (ORCID: https://orcid.org/0000-0002-0861-9989)
- Ji-Guang Li
- Wanjun Yu
- Xiangming Li
- Yuning Zhang
Institutions
- Yantai University (CN)
- National Institute for Materials Science (JP)
Publication Details
- Journal
- Inorganic Chemistry
- Published
- 2026-04-01
- DOI
- https://doi.org/10.1021/acs.inorgchem.6c00027
- Citations
- 1
- Primary Topic
- Luminescence Properties of Advanced Materials
- Type
- article
- Field-Weighted Citation Impact
- 9.15
Funders
- Yantai Science and Technology Bureau