@article{Fu2026, 
author = {Hao Fu and Shuxin Xiong and Yuxiang Deng and Libo Yang and Zhenyu Cai and Tianyou Wang and Qing Zhang and Shaolong Zhang},
title = {Visible-light-driven uranium extraction over an aerogel-like TiO2/g-C3N4/SnS2 dual Z-scheme photocatalyst},
year = {2026},
journal = {Nano Research},
keywords = {photocatalytic uranium extraction, dual Z-scheme, TiO2/g-C3N4/SnS2, aerogel-like},
url = {https://www.sciopen.com/article/10.26599/NR.2026.94908773},
doi = {10.26599/NR.2026.94908773},
abstract = {The development of a dual Z-scheme photocatalytic system with stable and strong redox capability is essential for uranium recovery from nuclear wastewater and oceanic environments. Guided by density functional theory (DFT) calculations, an aerogel-like dual Z-scheme TiO2/g-C3N4/SnS2 (TCS) heterojunction photocatalyst is rationally designed for visible-light-driven uranium extraction. The TCS system achieves an exceptional uranium extraction efficiency of 99.1% within 120 min without the use of any sacrificial agents, which can be attributed to its aerogel architecture that offers a large specific surface area (211.7 m2/g) and abundant accessible active sites. Moreover, the presence of two synergistic Z-scheme electron transfer pathways significantly promotes the separation and migration of photogenerated charge carriers. Notably, the valence bands of both TiO2 and SnS2 enable ·OH generation, constructing a double-oxidized dual Z-scheme heterojunction that facilitates enhanced H2O2 production and thereby accelerates uranium extraction. Based on these findings, a comprehensive photocatalytic uranium extraction pathway and reaction mechanism are proposed, elucidating the roles of active species and the nature of the final extraction products.}
}