Impurity do** is a promising method to impart new properties to various materials. Due to
their unique optical, magnetic, and electrical properties, rare-earth ions have been …

Photovoltaic (PV) technologies for solar energy conversion represent promising routes to
green and renewable energy generation. Despite relevant PV technologies being available …

A comprehensive review of up-conversion (UP) and down-conversion (DC) or down shifting
of rare earth (RE) doped zinc oxide (ZnO) nanophosphors is presented. Research interest in …

Solar energy has an enormous potential to solve society energy needs in a sustainable way.
Notably, photovoltaic systems (PV) permit to obtain electricity based on solar energy …

Chemical compounds with high upconversion (UC) intensity are still needed for temperature-
sensing media based on the fluorescence intensity ratio (FIR) technique of UC materials. In …

A novel green-emitting phosphor Ca2Al3O6F: Eu2+ was synthesized and its
photoluminescence (PL) properties were investigated for application in white light-emitting …

Chalcogenide glasses are defined as a new category of non-crystalline solids on the basis
of their characteristic covalent bonds and unique properties, such as broad infrared …

The high-powered alternating current (AC) light-emitting diode (LED)(AC-LED), featuring
low cost, high energy utilization efficiency, and long service life, will become a new …

Luminescent solar concentrators (LSCs) are devices comprising a transparent matrix
embedding optically active centres that absorb the incident radiation, which is re-emitted at a …

Currently, one of the major limits for the efficiency improvement of solar cells is ascribed to
the spectral mismatch between the incident solar photon spectrum and the band gap of …