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 …

Recently, graphitic carbon nitride (gC 3 N 4) photocatalyst has been comprehensively
explored because of its exceptional physio-chemical properties and multifunctional …

High-entropy ceramics with five or more cations have recently attracted significant attention
due to their superior properties for various structural and functional applications. Although …

The growing demand for spectroscopy applications in the areas of agriculture, retail and
healthcare has led to extensive research on infrared light sources. The ability of phosphors …

Opportunities for enhancing solar energy harvesting using photon upconversion are
reviewed. The increasing prominence of bifacial solar cells is an enabling factor for the …

Lanthanide-based upconversion nanomaterials have recently attracted considerable
attention in both fundamental research and various frontier applications owing to their …

The synthesis of fuels using sunlight offers a promising sustainable solution for chemical
energy storage, but inefficient utilization of the solar spectrum limits its commercial viability …

The spotlight has shifted to near‐infrared (NIR) luminescent materials emitting beyond 1000
nm, with growing interest due to their unique characteristics. The ability of NIR‐II emission …

The attractive features of lanthanide-doped upconversion luminescence (UCL), such as high
photostability, nonphotobleaching or photoblinking, and large anti-Stokes shift, have shown …

The implementation of renewable energy brings numerous advantages including reduction
of power transmission cost and minimization of the global warming problems. The …