Moisture-resistant Nb-based fluoride K<sub>2</sub>NbF<sub>7</sub>:Mn<sup>4+</sup>and oxyfluoride phosphor K<sub>3</sub>(NbOF<sub>5</sub>)(HF<sub>2</sub>):Mn<sup>4+</sup>: synthesis, improved luminescence performance and application in warm white LEDs
Ge Pang, Feng Hong, Xiaoyi Liu, Yunxiao Zhang, Yanlin Zhang, Tengri Dong, Zhendong Fu, Guixia Liu, Jinxian Wang, Dan Li, Xiangting Dong
Abstract
Herein, high-efficiency Nb-based oxyfluoride K 3 (NbOF 5 )(HF 2 ):Mn 4+ and fluoride K 2 NbF 7 :Mn 4+ phosphors were successfully synthesized using different amounts of HF acid solutions by a simple co-precipitation method.
Topics & Concepts
PhosphorAnalytical Chemistry (journal)LuminescenceChemistryMaterials scienceMineralogyNuclear chemistryOptoelectronicsChromatographyLuminescence Properties of Advanced MaterialsInorganic Fluorides and Related CompoundsGas Sensing Nanomaterials and Sensors