I was under the impression QMC had the corner on C
Post# of 22453
"Nanoco’s CFQD quantum dots, free of cadmium and other regulated heavy-metals, provide an alternative to heavy-metal based quantum dots, which can be incorporated into electrical and electronic equipment, such as displays and lighting, to produce RoHS compliant products."
http://www.nanocotechnologies.com/what-we-do/...antum-dots