Cr <sup>3+</sup> –Cr <sup>3+</sup> pairing and multi-site engineering in Sr <sub>2</sub> ZnAl <sub>22</sub> O <sub>36</sub> phosphors for broadband near-infrared emissions
Jatin Dhanuka, Monalisha Behera, Sudipta Som, Somrita Dutta, Shivaramu Nagarasanakote Jayaramu, R.E. Kroon, H.C. Swart
Abstract
Broadband near-infrared emission and strong thermal stability are achieved in novel Sr 2 ZnAl 22 O 36 :Cr 3+ phosphors through site-engineered Cr 3+ incorporation, and Cr 3+ –Cr 3+ pairing supporting night vision.
Topics & Concepts
Materials sciencePairingPhosphorBroadbandThermal stabilityThermalOptoelectronicsFabricationDiffractionThermal emissionEmission spectrumLuminescence Properties of Advanced MaterialsMicrowave Dielectric Ceramics SynthesisLuminescence and Fluorescent Materials