Bi2S3/UiO-66 S-scheme heterojunction with efficient charge transfer and photothermal conversion for antibiotic elimination
文献类型： 外文期刊
第一作者： Si, Wenshuai
作者： Si, Wenshuai;Yao, Chunxia;Song, Wei;Lv, Weiwei;Tang, Huiling;Zhang, Zhijie
作者机构：
关键词： S -scheme heterojunction; UiO-66; Photocatalysis; Photothermal conversion
期刊名称：APPLIED SURFACE SCIENCE （ 影响因子：6.9； 五年影响因子：6.3 ）
ISSN： 0169-4332
年卷期： 2025 年 708 卷
页码：
收录情况： SCI
摘要： Developing efficient photocatalysts is crucial for addressing antibiotic contamination. In this research, a novel Bi2S3/UiO-66 (BS/UiO-66) S-scheme heterojunction photocatalyst was synthesized by loading Bi2S3 nanoparticles on metal organic framework (MOF) of UiO-66. The as-prepared BS/UiO-66 exhibited superior photocatalytic degradation of tetracycline (TC) under full spectrum irradiation than pure Bi2S3 and UiO-66. Notably, the optimized 48BS/UiO-66 composite demonstrated a TC degradation rate constant (k) of 0.0386 min-1 within 90 min, surpassing pristine Bi2S3 (k = 0.0109 min-1) and UiO-66 (k = 0.0045 min-1) by factors of 3.54 and 8.58, respectively. Characterization analyses revealed that through S-scheme heterojunction engineering, the BS/UiO66 composite exhibited significantly accelerated charge migration rates, thereby effectively improving its photocatalytic performance. Additionally, the photothermal effect exhibited by the BS/UiO-66 composite significantly elevated the reaction temperature of the solution, further facilitating the photocatalytic reaction. This research offers a valuable reference for designing S-scheme photothermal-photocatalytic synergistic photocatalysts applied to treating antibiotic wastewater.
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