Great progress has been made in inorganic persistent phosphors, especially in the recent
two decades, motivated by the discoveries of the SrAl 2 O 4: Eu 2+-Dy 3+ in the green and …

Mechanoluminescence (ML) is the non-thermal emission of light as a response to
mechanical stimuli on a solid material. While this phenomenon has been observed for a …

When the bright green-emitting SrAl 2 O 4: Eu, Dy persistent phosphor was described in the
literature in 1996, this presented a real breakthrough in performance, both in terms of initial …

Developing deep-red to near infrared (NIR) materials with multi-mode luminescence is
challenging, which has promising utilization in various applications such as stress sensing …

Efficient broadband infrared (IR) light-emitting diodes (LEDs) are needed for emerging
applications that exploit near-IR spectroscopy, ranging from hand-held electronics to …

Glow‐in‐the‐dark materials have been around for a long time. While formerly materials had
to be mixed with radioactive elements to achieve a sufficiently long and bright afterglow …

Mechanical luminescence (ML) is the conversion of mechanical energy into light energy
when a material is subjected to a force. It is challenging to develop ML materials with …

Doping nanocrystals (NCs) with luminescent activators provides additional color tunability
for these highly efficient luminescent materials. In CsPbCl3 perovskite NCs the exciton-to …

For the conventional persistent luminescence (PersL) charging processes, carriers are
photo‐pumped to the conduction band (CB) or high‐energy excited states (HES) under short …

In this review, modern insights into the synthesis and fundamental optical properties as well
as applications of divalent lanthanides as spectral energy converters are discussed, which …