Abstract
Optical properties of crystalline CeF3-YF3 nanoparticles doped with Eu3+ or Tb3+ ions were studied. The energy transfer coefficients from Ce3+ to the doping ions were estimated. As well as this, conjugation of nanoparticles and dye molecules using polyethyleneimine was tested. The energy transfer from the nanoparticles to dye molecules was studied.
Highlights
Optical properties of crystalline CeF3-YF3 nanoparticles doped with Eu3+ or Tb3+ ions were studied
Hybrid Photodynamic therapy (HPDT) technique have been extensively developing over recent years in an attempt to overcome the limitation of the traditional photodynamic therapy (PDT)
The goal of the current study is to determine optimal chemical composition of the nanoparticles to be used in conjunction with a photosensitizer dye, study the energy transfer processes in the nanoparticles and conduct initial experiments of the energy transfer between nanoparticles and photosensitizer
Summary
Optical properties of crystalline CeF3-YF3 nanoparticles doped with Eu3+ or Tb3+ ions were studied. Hybrid Photodynamic therapy (HPDT) technique have been extensively developing over recent years in an attempt to overcome the limitation of the traditional photodynamic therapy (PDT). This technique implies that a dye used in PTD can be conjugated with a scintillating nanoparticle (NP), which will convert ionizing radiation energy into excitation of a dye and ROS generation [12]. Utilization of down-converting radioluminescent or scintillating NPs is a that method implies use of the NPs that emit ultraviolet or visible light upon excitation by highly penetrating ionizing radiation [2].
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