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. 2020 Aug 7;8:639. doi: 10.3389/fchem.2020.00639

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Copyright © 2020 Wang, Wang, Huang, Chen and Wu.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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CL mechanism study of the LaF₃:Ce NPs-NaNO₂-H₂O₂ system. (A) EPR spectra of ·OH generated via the reaction of DMPO probe in the LaF₃:Ce NPs-NaNO₂-H₂O₂ and NaNO₂-H₂O₂ systems. (B) CL profiles of the LaF₃:Ce NPs-NaNO₂-H₂O₂ system with and without AA. Conditions: 3.00 M H₂O₂ in 0.04 M H₂SO₄, 50 μl of LaF₃:Ce NPs, 10 μM NaNO₂ solution, 12.4 μl of DMPO in 1 ml of H₂O, and 0.1 mM AA. Voltage of the PMT was set at 1.2 kV.