Scientists create black arsenic visible infrared photodetectors

In recent years, the exceptional structure and fascinating electrical and optical properties of two-dimensional (2D) layered crystals have attracted widespread attention. Examples of such crystals include graphene, black ...

Innovating optoelectronic components with phosphorus

Phosphorus chemist Prof. Jan J. Weigand from the Dresden University of Technology, in collaboration with an interdisciplinary team, has developed a method to introduce phosphorus and nitrogen atoms into polycyclic molecules. ...

A more sustainable way to generate phosphorus

Phosphorus is an essential ingredient in thousands of products, including herbicides, lithium-ion batteries, and even soft drinks. Most of this phosphorus comes from an energy-intensive process that contributes significantly ...

Unstable molecule clicks with synthetic strategy

The elements on the periodic table of elements are listed in ways that emphasize certain relationships. There are families, periods (the horizonal rows) and groups (the vertical columns). The elements within each of these ...

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