Disentangling site occupancy, cation regulation, and oxidation state regulation of the broadband near infrared emission in a chromium-doped SrGa<sub>4</sub>O<sub>7</sub> phosphor
Jun’an Lai, Jianbei Qiu, Qi Wang, Dacheng Zhou, Zhangwen Long, Yong Yang, Songhan Hu, Xizheng Li, Jiacheng Pi, Jing Wang
Abstract
The Cr<sup>3+</sup> ions in octahedral sites and the Cr<sup>4+</sup> ions in tetrahedral sites generate unique broadband near infrared emission.
Topics & Concepts
InfraredIonChromiumOctahedronPhosphorDopingChemistryBroadbandAnalytical Chemistry (journal)Materials scienceInorganic chemistryPhysicsOptoelectronicsOpticsEnvironmental chemistryOrganic chemistryLuminescence Properties of Advanced MaterialsLuminescence and Fluorescent MaterialsPhotorefractive and Nonlinear Optics