Manipulating the thermometric behaviors of Er3+/Yb3+/Ho3+-tridoped La2Mo3O12 polychromatic upconverting microparticles via adjusting spatial mode and a sensing strategy

Er 3+ /Ho 3+ /Yb 3+ -tridoped La 2 Mo 3 O 12 upconverting microparticles with polychromatic emissions and good thermometric properties are promising thermosensitive luminescent materials for contactless optical thermometry.