Nitrogen and fluorine co-doped hexagonal-rhombohedral out-phase junction photocatalytic degradation nano material based on lead iodide perovskite and titanium base and low-temperature preparation method of nitrogen and fluorine co-doped hexagonal-rhombohedral out-phase junction photocatalytic degradation nano material

The invention provides a nitrogen-fluorine co-doped hexagonal-rhombohedral out-phase junction photocatalytic degradation nano material based on a lead iodide perovskite and a titanium base and a preparation method of the nitrogen-fluorine co-doped hexagonal-rhombohedral out-phase junction photocatalytic degradation nano material. The preparation method comprises the steps of preparation of a fluorine-doped titanium dioxide material, preparation of a lead iodide perovskite material and preparation of the nitrogen-fluorine co-doped hexagonal rhombohedral out-phase junction photocatalytic degradation nano material based on the lead iodide perovskite and titanium base. The invention provides a photocatalytic degradation nano material with high photocatalytic activity, and the photocatalytic degradation nano material has high commercial value and popularization value. 本发明提供了一种基于铅碘钙钛矿@钛基的氮氟共掺杂六方菱方异相结光催化降解纳米材料及其制备方法，所述制备方法包括氟掺杂二氧化钛材料的制备、铅碘钙钛矿材料的制备以及基于铅碘钙钛矿@钛基的氮氟共掺杂六方菱方异相结光催化降解纳米材料的制备。本发明提供了一种高光催化活性的光催化降解纳米材料，具有较高的商业