Radiation within the visible spectrum can appear black if it is low in power – more specifically, lower in power than its ...

"On short timescales, glass behaves much like a solid. But the liquidlike structure of glass means that over a long enough ...

Transient absorption spectroscopy of rose bengal reveals triplet state dynamics, crucial for optimizing photosensitizers in ...

into higher-energy photons (such as visible light). Photon-to-Photon Conversion Efficiency: A measure of how effectively a device converts incoming photons into outgoing photons of a different ...

The northern and southern lights, auroras visible from the poles, glow with a range of different colored lights. Here's the reason for each of those colors.

The single-crystal solar cells that have led to these performance records have several practical disadvantages: high materials cost, high energy payback ... where the active light absorber is ...

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