Efficient photocatalytic performance of hydrogen bonding between P25 and microcrystalline cellulose aerogel.

ABSTRACT: A series of MC/P25 composite aerogels (MCAPs) were newly designed by the sol-gel method and CO₂ supercritical drying technology. Under visible light irradiation, the optimized MCAP exhibits enhanced photocatalytic performance with a AO7 degradation rate of 0.01746 min^-1, which is 6.6 times higher than that of P25. The enhanced photocatalytic performance can be mainly ascribed to the constructed H-bonds between microcrystalline cellulose and P25. Photocurrent-time curves and photoluminescence spectra all certified the increased photogenerated carrier transfer rates of MCAP due to the presence of H-bonds. This work indicates that the presence of H-bonds can efficiently transfer photo-induced electrons and limit the recombination of photogenerated carriers. Furthermore,

SUBMITTER: Zen J 

PROVIDER: S-EPMC11583890 | biostudies-literature | 2024 Nov

REPOSITORIES: biostudies-literature