Negative and positive thermal expansion effects regulate the upconversion and near-infrared downshift luminescence for multiparametric temperature sensing

Zhihao Chen, Yangke Cun, Shilei Yan, Yingzhu Zi, Bokun Zhu, Keliang Ruan, Bojie Ding, Zhengmeng Yang, Asif Ali Haider, Imran Khan, Cherkasova Tatiana, Jianbei Qiu, Anjun Huang, Yue Liu, Zhengwen Yang