论文简介如下：
Utilizing highly efficient and stable photocatalysts to treat residual antibiotic pollutants in water is of greatsignificance. In this work, Cl-doped porous g-C3N4 (CN-Cl) was prepared by a facile bottom-up synthetic routefor photocatalytic degradation of tetracycline (TC). The synthesized samples were analyzed by a series ofcharacterization methods. The optimum photocatalytic activity under visible-light irradiation for CN-Cl with theprecursor mass ratio of ammonium chloride to melamine is 1:1 (92% degradation within 120 min), which is upto 2.4 times as high as that of pure CN. The remarkable improvement of the photocatalytic activity of CN-Cl ismainly due to the following three reasons: (i) Cl-doped element can help to regulate the electronic structure ofCN; (ii) the prepared CN-Cl samples have larger specific surface area than pure CN, thus providing more reactivesites; (iii) Cl-doped element can inhibit the recombination of photo-induced electron and holes of CN. This workmay provide a facile bottom-up strategy to improve the photocatalytic performance of CN for the mitigation ofenvironmental problems.
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https://linkinghub.elsevier.com/retrieve/pii/S1383586619320428