Villa, KatherineParmar, JemishVilela García, DianaSánchez, Samuel2024-01-192024-01-192018Katherine Villa, Jemish Parmar, Diana Vilela, and Samuel Sánchez ACS Applied Materials & Interfaces 2018 10 (24), 20478-20486 DOI: 10.1021/acsami.8b043531944-824410.1021/acsami.8b04353https://hdl.handle.net/20.500.14352/94083Water contamination from industrial and anthropogenic activities is nowadays a major issue in many countries worldwide. To address this problem, efficient water treatment technologies are required. Recent efforts have focused on the development of self-propelled micromotors that provide enhanced micromixing and mass transfer by the transportation of reactive species, resulting in higher decontamination rates. However, a real application of these micromotors is still limited due to the high cost associated to their fabrication process. Here, we present Fe2O3-decorated SiO2/MnO2 microjets for the simultaneous removal of industrial organic pollutants and heavy metals present in wastewater. These microjets were synthesized by low-cost and scalable methods. They exhibit an average speed of 485 ± 32 μm s–1 (∼28 body length per s) at 7% H2O2, which is the highest reported for MnO2-based tubular micromotors. Furthermore, the photocatalytic and adsorbent properties of the microjets enable the efficient degradation of organic pollutants, such as tetracycline and rhodamine B under visible light irradiation, as well as the removal of heavy metal ions, such as Cd2+ and Pb2+.engAttribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/journal article1944-8252https://doi.org/10.1021/acsami.8b04353restricted accessMicrocleanersMesoporous silicaManganese oxideOrganic pollutantsHeavy metalsMateriales3312 Tecnología de Materiales