Simultaneous enhancement of upconversion luminescence and temperature sensitivity are achieved by aliovalent doping in Er3+/Yb3+ codoped SrMoO4 phosphors and a highly accurate all-fiber ratiometric temperature sensing platform has been constructed.

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A highly precise temperature-feedback photothermal therapy platform is proposed based on all-fiber fluorescence intensity ratio (FIR) thermometry.

Octahedral NaBi(WO4)2:Er3+/Yb3+ phosphors were synthesized by a hydrothermal method.