High‐temperature persistent luminescence and visual dual‐emitting optical temperature sensing in self‐activated CaNb 2 O 6 : Tb 3+ phosphor

A Novel Narrow-Band Blue-Emitting Phosphor of Bi3+-Activated Sr3Lu2Ge3O12 Based on a Highly Symmetrical Crystal Structure Used for WLEDs and FEDs

Optical data storage technology has many advantages over the traditional solid-state and magnetic storage technology, such as low cost, multi-dimensional storage, and rewritable capability. Therefore, the optical data storage technology has been in increasing demand for optical storage media. Herein, the photochromic and photoluminescence properties of BaMgSiO4:Bi3+ ceramics were investigated. The BaMgSiO4:Bi3+ ceramics showed reversible photochromism from gray to pink upon alternating the 254 nm ultraviolet light and 532 nm laser irradiation. This is caused by the electron trapping and de-trapping in the oxygen vacancies of the BaMgSiO4:Bi3+ host. This reversible behavior of photochromism was applied to fabricate different patterns on the surface of the BaMgSiO4:Bi3+ ceramics, which exhibited the reversible dual-mode optical information recording and erasing abilities. The photoluminescence reversible modulation of the BaMgSiO4:Bi3+ ceramics was obtained through the photochromic phenomenon. This modification behavior of luminescence could be applied to read-out the recording information in the BaMgSiO4:Bi3+ ceramics. The coloration and bleaching of BaMgSiO4:Bi3+ ceramics were dependent on the time of light stimulation, which facilitated multiplexing encoding. This photoluminescence and photochromism multiplexing of the BaMgSiO4:Bi3+ ceramics enhanced the optical data storage capability.

/pdf/reversible-multiplexing-for-optical-information-recording-5frdyvw5bn.pdf

Reversible multiplexing for optical information recording, erasing, and reading-out in photochromic BaMgSiO4:Bi3+ luminescence ceramics

Preparation and luminescence behaviour of perovskite LaAlO3:Tb3+ nanophosphors for innovative displays

Er3+-activated LaAlO3 perovskite phosphor: Crystal structure and down conversion photoluminescent behaviour for optoelectronic devices

Near UV-pumped yellow-emitting Ca3TeO6:Dy3+ phosphor for white light-emitting diodes.

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Near UV-pumped yellow-emitting Ca3TeO6:Dy3+ phosphor for white light-emitting diodes.