Simultaneous NIR photoluminescence and mechanoluminescence from Cr <sup>3+</sup> activated MgGa <sub>2</sub> O <sub>4</sub> phosphors with multifunctions for optical sensing
Yaowu Wang, Guocheng Pan, Jianfeng Wang, Yinyan Li, Zhenping Wu, Shiqing Xu, Gongxun Bai
Abstract
The prepared MGO:Cr 3+ phosphor has dual-mode emissions for sensing, including NIR photoluminescence and mechanoluminescence. Moreover, the developed light-emitting device has functions of anti-counterfeiting and biological tissue penetration.
Topics & Concepts
MechanoluminescencePhosphorPhotoluminescenceMaterials scienceMineralogyNuclear chemistryChemical engineeringAnalytical Chemistry (journal)OptoelectronicsOrganic chemistryChemistryEngineeringLuminescence Properties of Advanced MaterialsLuminescence and Fluorescent MaterialsGas Sensing Nanomaterials and Sensors