Is there any blue pigment with enhanced colour properties, reduced cost and lower cobalt content than cobalt blue?
The Egyptians and Babylonians used lapis lazuli 6,000 years ago. In 1802, a French chemist synthesised cobalt blue. In 2009 scientists discovered YInMn Blue, otherwise known as Oregon Blue. But most of these pigments have limitations in terms of cost, stability, colour or toxicity. In 2020, researchers reported a new class of ‘cool’ blue colourants…