Efficient photocatalytic reduction of p-nitrophenol under visible light irradiation based on Ag NPs loaded brown 2D g-C3N4 / g-C3N4 QDs nanocomposite

基于 Ag NPs 负载的棕色 2D g-C3N4 / g-C3N4 QDs 纳米复合材料在可见光照射下高效光催化还原对硝基苯酚