Manganese dioxide (MnO₂) is an environmentally friendly metal oxide. The characteristics of diverse morphology, rich crystal forms, and controllable particle size make MnO₂ flexibly adaptive to multiple requirements, attracting researchers in multidisciplinary fields. It is worth noting that MnO₂ and its derived materials have shown outstanding research progress in the treatment of radioactive pollutants in the past few decades. Given the need to summarize the research advances, this reivew surveys the achievements of MnO₂-based nanomaterials in radioactive ion removal. The preparation and modification methods of MnO₂, the application of MnO₂-based materials in removing radionuclides, and the exploration of potential adsorption mechanisms will be carefully discussed. Finally, the research trends are summarized and an outlook is presented, aiming at providing reference for further design and synthesis of MnO₂-based nanomaterials with practical application value for removal of radionuclides.

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二氧化锰基纳米材料去除水溶液中放射性核素的机理研究进展

二氧化锰（MnO ₂）是一种环境友好的金属氧化物。多样的形态，丰富的晶体形式和可控制的粒度等特性使MnO _2可以灵活地适应多种需求，吸引了多学科领域的研究人员。值得注意的是，在过去的几十年中，MnO ₂及其衍生材料在放射性污染物的处理方面显示出了杰出的研究进展。鉴于需要总结研究进展，本篇综述了基于MnO ₂的纳米材料在放射性离子去除中的成就。的MnO的制备和改性方法₂，MnO的应用₂基材料在去除放射性核素中的应用，以及潜在的吸附机理的探索将被仔细地讨论。最后，总结了研究趋势，展望了未来，旨在为进一步设计和合成具有去除放射性核素的实际应用价值的MnO ₂基纳米材料提供参考。