bismuth oxyiodide (BiOI) is an organic compound with a high oxidation potential. It is produced by electrochemical synthesis in acidic baths containing bismuth nitrate, sodium nitrate, and iodine and ethylene glycol.
BiOI has a wide range of electronic properties. It is predominantly p-type at room temperature and exhibits a transition to n-type conductivity when heated to 650 degC. The b, g and d-phases of the compound also have varying degrees of conductivity.
This material is available in many standard grades and can be custom formulated to meet your specific requirements. It is typically supplied in a range of particle sizes, purity levels and custom packaging options.
It is a good choice for photocatalysis. It is a photocatalyst for the degradation of rhodamine B and colorless phenol under visible light.
These materials can be used to develop efficient photocatalytic systems for the degradation of organic pollutants such as rhodamine B, colorless phenol and hydroxytetracycline hydrochloride.
They can also be used to generate ion-exchange resins for the selective removal of phosphate from water.
In this study, the high-exposure (110) facet of bismuth oxyiodide (BiOI) was designed as a nanosheet rich in oxygen vacancies by utilizing curved carbon nitride (Cn) and dibromopyrazine (DCN). The heterostructured BiOI-110/Cn/DCN nanosheets showed high photocatalytic degradation of phenol under visible light irradiation with significant enhancement over that of single-crystal BiOI films.
In addition, these materials can be used to prepare BiOI-based heterojunction organohalide solar cells. These cells exhibited open-circuit voltages over 0.8 V and can achieve efficiencies greater than 1%. They are three to four orders of magnitude less susceptible to percent-level iodine-, bismuth- and oxygen-related surface defects induced by vacuum annealing than traditional covalent semiconductors. This makes them a practical and cost-effective material for achieving lead-free solar cells.