Issue 21, 2022

Atomic controllable anchoring of uranium into zirconate pyrochlore with ultrahigh loading capacity

Abstract

Efficient immobilization of actinide wastes is challenging in the nuclear energy industry. Here, we reported that 100% substitution of Zr4+ by U6+ in a La2Zr2O7 matrix has been achieved for the first time by the molten salt (MS) method. Importantly, we observed that uranium can be precisely anchored into Zr or La sites of the La2Zr2O7 matrix, as confirmed by X-ray diffraction, Raman, and X-ray absorption spectra. This work will guide the construction of site-controlled and high-capacity actinide-immobilized pyrochlore materials and could be extended to other perovskite materials.

Graphical abstract: Atomic controllable anchoring of uranium into zirconate pyrochlore with ultrahigh loading capacity

Supplementary files

Article information

Article type
Communication
Submitted
28 Janv. 2022
Accepted
14 Febr. 2022
First published
14 Febr. 2022

Chem. Commun., 2022,58, 3469-3472

Atomic controllable anchoring of uranium into zirconate pyrochlore with ultrahigh loading capacity

J. Sun, J. Zhou, L. Li, Z. Hu, T. Chan, T. Vitova, S. Song, R. Liu, C. Jing, H. Yu, M. Zhang, J. Rothe, J. Wang and L. Zhang, Chem. Commun., 2022, 58, 3469 DOI: 10.1039/D2CC00576J

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements