News tagged with chemical composition

Finding a buckyball in photovoltaic cell

Polymer-based photovoltaic cells have some real advantages compared to the currently used semiconductor-based cells. They are easy to make and the materials are cheap. The challenge is to figure out how to make efficient ...

Sep 28, 2010
3 / 5 (2) 0 | with audio podcast

Many roads lead to superconductivity

Since their discovery in 2008, a new class of superconductors has precipitated a flood of research the world over. Unlike the previously familiar copper ceramics (cuprates), the basic structure of this new class consists ...

Sep 10, 2010
4.2 / 5 (22) 6 | with audio podcast

Listening to ancient colors

A team of McGill chemists have discovered that a technique known as photoacoustic infrared spectroscopy could be used to identify the composition of pigments used in art work that is decades or even centuries old. Pigments ...

Sep 02, 2010
4 / 5 (1) 0