Oxygen-vacancy-enriched Bi/Bi12O17Cl2 nanoflower photocatalyst as well as preparation method and application thereof

• Main Authors: WANG XUEPENG, GUO LIPING, WANG SHIJIE, LIAO LIJUN, ZHOU WEI, SUN XUE, WANG BO, LI ZHENZI
• Format: Patent
• Language: Chinese; English
• Published: 24.05.2024
• Subjects: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; METALLURGY; NANOTECHNOLOGY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; THEIR RELEVANT APPARATUS; TRANSPORTING; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The invention belongs to the technical field of material preparation and visible light photocatalysis, and particularly relates to an oxygen vacancy-enriched Bi/Bi12O17Cl2 nanoflower photocatalyst as well as a preparation method and application thereof. The preparation method comprises the following steps: firstly, taking Bi12O17Cl2 synthesized by room-temperature precipitation reaction as a precursor, and then preparing the target catalyst by taking the precursor as a reactant through a solvothermal reduction method. The catalyst is formed by self-assembling metal Bi particles and loading the metal Bi particles on the surface of a Bi12O17Cl2 nanosheet rich in oxygen vacancies, and the morphology of the catalyst is in a nanoflower shape; the two components are in closer contact; according to the present invention, the loading amount of the Bi particles on the nanosheet layer is high, the particle size is small, and the Bi particles are uniformly dispersed on the surface of the carrier, such that the high spec