Due to the unique optical and electrochemical properties, large surface area, tunable
properties, and high thermal stability, nanoporous anodic aluminum oxide (AAO) has …

The fabrication of a thick oxide layer onto an aluminum surface via anodization has been a
subject of intense research activity for more than a century, largely due to protective and …

Single-phase far-red-emitting ZnAl 2 O 4: Cr 3+ phosphor has been successfully
synthesized by a sol-gel method. The phosphor can be well excited by NUV, violet, and …

Although it has been extensively studied for decades, the α-Al2O3: Cr3+ phosphor has
rarely been investigated for horticultural lighting. In this work, for the first time, a prototype of …

Abstract Cr 3+-doped α-Al 2 O 3 nanoparticles (Al 2− x Cr x O 3, 0.005≤ x≤ 0.05) were
synthesized by co-precipitation method. X-ray diffraction (XRD) patterns of Cr 3+: Al 2 O 3 …

Cr-doped α-Al 2 O 3 samples (Al 2− x Cr x O 3, 0≤ x≤ 0.25; step 0.05) were synthesized by
citrate-precursor autocombustion method. The lattice parameters, bond distortion index …

Advanced aerogel materials with lightweight, flame retardant, and rapid cooling properties
are urgently needed as thermal insulators in harsh environments. Herein, Cr 2 O 3− Al 2 O 3 …

Red-NIR emitting ZnGa 2-x Cr x O 4 nanoparticles were synthesized using simple co-
precipitation, and the effect of annealing was studied (600–1200° C). Upon annealing …

Anodic alumina photonic crystal is a porous periodic dielectric structure and has been
extensively studied by researchers due to its straightforward preparation processes, porous …

The unique optical and electrochemical properties of nanoporous anodic alumina (NAA)
have led to a wide range of applications such as desalination of seawater, biosensors …