Optical properties of NIR photoluminescent PbS nanocrystal-based three-dimensional networks.

The assembly of nanocrystals (NCs) into three-dimensional network structures is a recently established strategy to produce macroscopic materials with nanoscopic properties. These networks can be formed by the controlled destabilization of NC colloids and subsequent supercritical drying to obtain NC-based aerogels. Even though this strategy has been used for many different semiconductor NCs, the emission of NC-based aerogels is limited to the ultraviolet and visible and no near-infrared (NIR) emitting NC-based aerogels have been investigated in literature until now.

On the Shape-Selected, Ligand-Free Preparation of Hybrid Perovskite (CHNHPbBr) Microcrystals and Their Suitability as Model-System for Single-Crystal Studies of Optoelectronic Properties.

Hybrid perovskite materials are one of the most promising candidates for optoelectronic applications, e.g., solar cells and LEDs, which can be produced at low cost compared to established materials.