Interview with: Dr Richard Holliday from the World Gold Council.
A novel halide perovskite, made using vitamin C, can stabilize an extremely rare form of gold that has lost two negatively charged electrons.
Researchers have confirmed that the 'seed' particles used to grow gold nanoparticles are actually 32-atom spherical molecules known as gold buckyballs.
Using iron oxide nanoparticles, researchers have been able to control the orientation, and thus optical properties, of gold nanorods with a magnetic field.