Credit: Melbert Jeem, et al. Advanced Materials. July 29, 2023
A summarized relative light absorption of the tungstic acid crystals ranging from ultraviolet to infrared light. 1, 5, and 10 are the copper concentrations resulting in opto-criticality of the nanocrystals. (Melbert Jeem, et al. Advanced Materials. July 29, 2023)