Luminescence-based techniques continue to attract considerable attention due not only to
their current range of applications but also to their wide potential in the fields of optical …

Research related to the development and application of luminescent nanoparticles (LNPs)
for chemical and biological analysis and imaging is flourishing. Novel materials and new …

Organic semiconductor materials have been widely used in various optoelectronic devices
due to their rich optical and/or electrical properties, which are highly related to their excited …

Two-photon polymerization (TPP) currently offers the highest resolution available in 3D
printing (∼ 100 nm) but requires femtosecond laser pulses at very high peak intensity (∼ 1 …

The development of cyclometalated Ir (III) complexes has enabled important breakthroughs
in electroluminescence because such complexes permit the efficient population of triplet …

Triplet–triplet annihilation (TTA) is a promising upconversion approach due to its low
excitation power density (solar light is sufficient), high upconversion quantum yield, readily …

Today's technology is not possible without optoelectronic devices such as light-emitting
diodes, transistors and solar cells. These basic units of modern electronic appliances may …

In the last few years, non-coherent sensitized photon up-conversion (SUC) in multi-
component systems has been developed to achieve significantly high quantum yields for …

Low-power upconversion via sensitized triplet–triplet annihilation (TTA-UC) is a useful and
versatile process that allows for the conversion of optical radiation into photons of higher …

TripletÀtriplet annihilation (TTA) based upconversions are attractive as a result of their
readily tunable excitation/emission wavelength, low excitation power density, and high …