allowing them to absorb and emit light at specific wavelengths. Intermediate Band: A band of energy levels within a semiconductor that allows for the absorption of lower-energy photons ...

This work reports the design of an efficient multiband UC system based on Ln3+/Yb3+-doped core-shell upconversion ...

A new publication from Opto-Electronic Advances; DOI 10.29026/oea.2025.240193 , discusses a novel approach towards robust construction of physical ...

Herein, we show, using solid-state UV–vis spectroscopy, that reducing the concentration of aqueous 1DL colloidal suspensions from 40 to 0.01 g/L increases the band gap energy and light absorption ...

Wurtzite semiconductors have hexagonal crystal symmetry with distorted tetrahedral bonding. The effective quantum mechanical Hamiltonian of the semiconductor crystal, which determines the allowed ...

In semiconductor ... as defined by the bulk energy gap and the quantization energies within the conduction and valence bands, respectively, and modified by the Coulomb interaction between electron and ...

The physical interaction between two or more systems, also known as coupling, can give rise to unique and unexpected effects.

where light excites nanomaterials to form excitons that interact and share energy with each other. Historically, ...

The Korea Research Institute of Standards and Science has successfully developed a high-quality compound semiconductor material for ultra-sensitive short-wave infrared (SWIR) sensors. The study is ...

Rising demand for semiconductor chips driven by AI fuels investor interest in tech sector exposure. Policy shifts may favor traditional energy stocks while challenging alternative energy investments.