biostudies-literatureUnknown10(11)Zhang LDelicate design of hierarchical nanoarchitectures has become a highly effective strategy to develop novel adsorbents with improved adsorption capacity. Herein, hectogram-scale green fabrication of hierarchical 4A zeolite@CuO _<i>x</i> (OH)_{(2-2<i>x</i>)} (0 ≤ <i>x</i> < 1) nanosheet assemblies core-shell nanoarchitectures (4A-Cu-<i>T</i>, <i>T</i> was the calcination temperature) with terrific Congo red (CR) dye adsorption performance was achieved through a simple, template-free and surfactant-free hydrothermal approach. A series of characterization techniques, including scanning electron microscopy, transmission electron microscopy, X-ray diffraction and photoelectron spectroscopy demonstrated that all resultant adsorbents featured a core-shell structure with 4A zeoliteRSC advances6405-6413https://www.ebi.ac.uk/biostudies/studies/S-EPMC9049745biostudies-literatureHectogram-scale green synthesis of hierarchical 4A zeolite@CuO _<i>x</i> (OH)_{(2-2<i>x</i>)} (0 ≤ <i>x</i> < 1) nanosheet assemblies core-shell nanoarchitectures with Superb Congo red adsorption performance.PMC9049745Ma QLi HLi JZhao LXie YZhang YXin QZhang LHuang LYe HLu BfalseHectogram-scale green synthesis of hierarchical 4A zeolite@CuO _<i>x</i> (OH)_{(2-2<i>x</i>)} (0 ≤ <i>x</i> < 1) nanosheet assemblies core-shell nanoarchitectures with Superb Congo red adsorption performance.Delicate design of hierarchical nanoarchitectures has become a highly effective strategy to develop novel adsorbents with improved adsorption capacity. Herein, hectogram-scale green fabrication of hierarchical 4A zeolite@CuO _<i>x</i> (OH)_{(2-2<i>x</i>)} (0 ≤ <i>x</i> < 1) nanosheet assemblies core-shell nanoarchitectures (4A-Cu-<i>T</i>, <i>T</i> was the calcination temperature) with terrific Congo red (CR) dye adsorption performance was achieved through a simple, template-free and surfactant-free hydrothermal approach. A series of characterization techniques, including scanning electron microscopy, transmission electron microscopy, X-ray diffraction and photoelectron spectroscopy demonstrated that all resultant adsorbents featured a core-shell structure with 4A zeolite2020-01-01T00:00:00Z2020 Feb2025-06-01T01:34:22.326Z2024-11-14T02:10:32.051ZS-EPMC90497453549603110.1039/c9ra09899b