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首页> 外文期刊>RSC Advances >A binary polymer composite of graphitic carbon nitride and poly(diphenylbutadiyne) with enhanced visible light photocatalytic activity
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A binary polymer composite of graphitic carbon nitride and poly(diphenylbutadiyne) with enhanced visible light photocatalytic activity

机译：具有增强的可见光光催化活性的石墨氮化碳和聚二苯基丁二炔的二元聚合物复合物

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摘要

New polymer composites consisting of poly(diphenylbutadiyne) (PDPB) and g-C3N4 have been successfully prepared. UV-vis diffuse reflectance spectra show that the existence of PDPB in composites can clearly increase the visible light absorption of the catalysts. Photoluminescence spectroscopy and photoelectrochemical measurements reveal that PDPB can effectively facilitate the charge carrier separation in the composites. Compared with pure g-C3N4 or pure PDPB, the composite catalysts exhibit observably enhanced visible-light photocatalytic activity for degradation of RhB and phenol. A possible mechanism for the charge separation and transfer in the composite catalysts is proposed. In addition, the composite catalysts show stable catalytic performance after five successive runs, displaying potential for applications in various fields of photocatalysis.
机译：成功地制备了由聚二苯基丁二炔（PDPB）和g-C 3 N 4 组成的新型聚合物复合材料。紫外可见漫反射光谱表明，复合材料中PDPB的存在可以明显增加催化剂的可见光吸收率。光致发光光谱和光电化学测量表明，PDPB可以有效地促进复合物中电荷载流子的分离。与纯gC 3 N 4 或纯PDPB相比，复合催化剂的可见光光催化活性明显提高。用于降解RhB和苯酚。提出了复合催化剂中电荷分离和转移的可能机理。此外，复合催化剂在连续运行五次后表现出稳定的催化性能，显示出在光催化各个领域中的应用潜力。

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