Low-temperature synthesis of Bi5O7I-Bi4O5I2 solid solution/residual carbon composites with oxygen vacancies for efficient visible-light photocatalysis

Key Points

• The synthesis of Bi5O7I-Bi4O5I2 composites leads to improved visible-light photocatalytic activity, enhancing energy transformation.
• A crucial metric in this research shows significant performance improvements due to the presence of oxygen vacancies.
• This study utilizes low-temperature synthesis methods, yielding composites suitable for environmental applications in light-driven processes.
• Efficient photocatalytic activity may enable broader applications for solar energy usage, with potential benefits for sustainable practices.