The article says that the use of CZT is not new, but now the material has become much more affordable, due to improved production techniques, which has opened up a lot of application fields for it, which were previously prevented by its scarcity and cost.

There are plenty of materials that have been known for a long time to be better than those normally used in certain applications, but which still do not replace the inferior alternatives due to excessive cost, so discovering any new process that can make them cheaply is as important as knowing the properties of the material.