 (1B 0.1CE 0.06AG): A balanced composition that likely targets a specific photocatalytic reaction, optimizing light absorption and charge mobility.  (1B1CE0.06AG): An equal atomic percent of boron and cerium may suggest a synergistic effect, enhancing the photocatalyst's ability to store and release oxygen species.  (2B 0.1CE0.06AG): A higher boron content could be aimed at reactions requiring enhanced charge separation.  (2B 1CE 0.06AG): Increased cerium content alongside boron might improve the degradation of organic pollutants through cerium's redox properties.  (1B 1CE 0.1AG): Elevated silver content suggests a focus on utilizing silver's plasmonic effects for visible light-driven reactions.