Mn4+ and Fe3+ co-doped near-infrared dual-emission ratio thermometry for biosensing applications Elsevier BV 2027-01-01 added 2026-07-23 Chenyang Huang, Chenxin Ran, Yuehua Wang, Fugen Wu, Hua Chen, Hongli Wen, Zhongfei Mu Open original source ↗ chemistry