Photoluminescence upconversion of 2D materials and applications

Q Wang, ATS Wee - Journal of Physics: Condensed Matter, 2021 - iopscience.iop.org
Photoluminescence (PL) upconversion is a phenomenon involving light–matter interactions,
where the energy of emitted photons is higher than that of the incident photons. PL …

High-energy gain upconversion in monolayer tungsten disulfide photodetectors

Q Wang, Q Zhang, X Zhao, YJ Zheng, J Wang… - Nano Letters, 2019 - ACS Publications
Photodetectors usually operate in the wavelength range with photon energy above the
bandgap of channel semiconductors so that incident photons can excite electrons from …

High-temporal dynamic β-Ga203 ultraviolet solar-blind photodetector via heteroepitaxy single crystalline film

Z Tang, H Zheng, B Wang, L Wang, Y Wang… - Materials Today …, 2023 - Elsevier
In this report, we successfully fabricate a high performance β-phase Ga 2 0 3 single-
crystalline film deep ultraviolet (DUV) solar-blind photodetector. The hybrid Ga/GaO buffer …