Authors
Nan Gui, Tianci Chen, Bokang Li, Qiumei Di, Lifei Ji, Jiatao Zhang, Xudong Yu
Published in
Inorganic chemistry. Volume 65. Issue 32. Pages 18888-18898. Aug 17, 2026.
Abstract
The fabrication of hollow architectures combined with elemental doping has emerged as a promising strategy to optimize the performance of photocatalysts in hydrogen evolution reactions (HER). In this study, we report the synthesis of porous, hollow CdS nanododecahedrons codoped with Ag and Co via a templated sequential transformation approach. Starting with ZIF-67 as the initial template, a sulfidation process followed by stepwise cation exchange enabled the successful incorporation of Ag and Co dopants into the CdS lattice. The resulting nanostructures exhibit well-defined porosity and hollow morphology, characterized by abundant sulfur vacancies and intrinsic lattice strain, alongside precisely controllable nanoparticle sizes and pore dimensions. These structural characteristics collectively contribute to the enhancement of broadband light absorption and facilitate the effective separation of photogenerated charge carriers. Notably, the hollow and porous Co/Ag codoped CdS demonstrates significantly improved photocatalytic activity for the hydrogen evolution reaction (HER) compared to the as-prepared hollow CoS/CdS hybrid nanostructures. These results highlight that the templated reverse cation exchange methodology offers a versatile platform for the fabrication of three-dimensional confined doped photocatalysts with controlled structural and porous properties.
PMID:
42606229
Bibliographic data and abstract were imported from PubMed on 17 Aug 2026.
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