Generalised analytical model of the transition power densities of the upconversion luminescence and quantum yield

JS Matias, K Komolibus, KW Kho… - Nanoscale …, 2023 - pubs.rsc.org
The quantum yield (QY) evaluation of upconverting nanoparticles (UCNPs) is an essential
step in the characterisation of such materials. The QY of UCNPs is governed by competing …

Beam-profile compensation for quantum yield characterisation of Yb–Tm codoped upconverting nanoparticles emitting at 474 nm, 650 nm and 804 nm

JS Matias, K Komolibus, WK Kiang… - Nanoscale, 2024 - pubs.rsc.org
Upconverting nanoparticles (UCNPs) have found widespread applications in biophotonics
and energy harvesting due to their unique non-linear optical properties arising from energy …

Intensifying upconverted ultraviolet emission towards efficient reactive oxygen species generation

H Zhang, Y Liu, R Jin, S Han… - Chemistry–An Asian …, 2022 - Wiley Online Library
Multiphoton upconversion that can convert near‐infrared irradiation into ultraviolet emission
offers many unique opportunities for photocatalysis and phototherapy. However, the high …