Porous Pr(OH)(3) Nanostructures as High-Efficiency Adsorbents for Dye Removal |
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| Authors: | Teng Zhai Shilei Xie Xihong Lu Lei Xiang Minghao Yu Wei Li Chaolun Liang Cehui Mo Feng Zeng Tiangang Luan Yexiang Tong |
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| Affiliation: | Key Laboratory of Environment and Energy Chemistry of Guangdong Higher Education Institutes, MOE Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry and Chemical Engineering, Institute of Optoelectronic and Functional Composite Materials and ?Instrumental Analysis and Research Centre, Sun Yat-Sen University , Guangzhou 510275, PR China. |
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| Abstract: | Herein we report the electrochemical synthesis of porous Pr(OH)(3) nanobelt arrays (NBAs), nanowire arrays (NWAs), nanowire bundles (NWBs), and nanowires (NWs) and their applications as dye absorbents in water treatment. These Pr(OH)(3) nanostructures exhibit high efficient and selective adsorption of the dyes with amine (-NH(2)) functional groups such as Congo red, reactive yellow, and reactive blue. The high efficiency and selectivity is attributed to the large effective surface area of the porous structure, plentiful hydroxyl groups, and basic sites on the Pr(OH)(3) surface. Furthermore, the toxicity studies of these porous Pr(OH)(3) nanostructure show a negligible effect on seed germination, indicating that they hold great potential as environmentally friendly absorbents in water treatment. |
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