The 6th International Conference on Materials Science, Energy Technology and Environmental Engineering (MSETEE 2025) will be held in Wuhan, China during October 24-25, 2025. MSETEE 2025 will focus on the latest research of optics and optoelectronics in the fields of Materials Science, Energy Technology and Environmental Engineering. MSETEE 2025 will comprehensively display the latest progress and achievements in the fields of Energy Optoelectronics, Energy-efficient Lighting Products and Technologies, Energy Efficiency in Optical Networks, Optical Storage and Optical Display, Photovoltaic Technology, Solar Cell, Optical Fiber Materials and Laser Technology,