Phthalocyanines are used in renewable energy production, sensing, nanomedicine and more. Researchers at Aalto University have demonstrated how the dye can be produced in a greener way that minimizes high-boiling organic solvents, by using solid-state synthesis instead.
Click here for original story, A greener route to blue: New method drastically reduces amount of solvent needed to produce organic dyes
Source: Phys.org