An air purifier and a related device manufacturing method thereof, wherein the air purifier comprises: a casing； a photocatalyst module, wherein the photocatalyst module comprises at least a point ultraviolet light source and a photocatalyst net device, wherein the photocatalyst net device comprises at least one solid a curved surface structure, the solid curved surface structure is disposed on a light-emitting path of the point-shaped ultraviolet light source, and the solid curved surface structure extends along a light intensity curved surface such as one of the point-shaped ultraviolet light sources； and the electrostatic dust collector includes the first and the first In the two-electrode device, the first and second electrode devices are covered with graphene on the surface, and the second electrode device and the first electrode device have different electrical properties to form an electric field therebetween.一種空氣淨化器及其中相關裝置製造方法，其中空氣淨化器包含：殼體；光觸媒模組，該光觸媒模組包含有至少一點狀紫外光源以及一光觸媒網裝置，該光觸媒網裝置包含有至少一立體曲面結構，該立體曲面結構設置於該點狀紫外光源之發光路徑上，而且該立體曲面結構沿該點狀紫外光源之一等光強度曲面延伸；以及靜電集塵器，其包含第一與第二電極裝置，該第一與第二電極裝置表面上皆佈有石墨烯，而且該第二電極裝置與該第一電極裝置具有不同的電性而於兩者之間形成電場。
