摘要:以尿素为前驱体,550℃热聚合反应5 h,制备了块状g-C3N4。然后将块状g-C3N4超声剥离得到片状g-C3N4,在g-C3N4纳米片上原位生长Cd S(直径约130 nm),从而制备了g-C3N4-Cd S异质结。g-C3N4-Cd S异质结的吸收边约505 nm处,与g-C3N4(约460 nm)相比具有明显的红移,可吸收更多的可见光。此外,g-C3N4-Cd S异质结可降解99%的罗丹明B,具有较高的光催化活性。
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