Sensitization, energy transfer and infra-red emission decay modulation in Yb3+-doped NaYF4 nanoparticles with visible light through a perfluoroanthraquinone chromophore

The authors thank Dr. R. Wilson for XRD measurements. H.L., Y.P., H.Y., J.H. and H.G. are funded by the China Scholarship Council (CSC) and Queen Mary University of London. H. L. also would like to thank the support from China Postdoctoral Science Foundation Funded Project (2017M611440). I.H. acknowledges funding from the Ministerio de Economía y Competitividad (grant MAT2016-80438-P), the EU FP7 (Marie Curie-CIG-Grant 303535). WPG would like to thank EPSRC for support (EP/K004484/1 and EP/L020114/1) and NSFC (61574095). X.C. was supported by the Centre of Excellence in Medical Engineering funded by the Wellcome Trust and EPSRC under grant number WT088641/Z/09/Z. We are grateful to the EPSRC UK NMSF at Swansea University for mass spectrometry