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Synergistic Combination of a Novel Metal-Free Mesoporous Band-Gap-Modified Carbon Nitride Grafted Polyaniline Nanocomposite for Decontamination of Refractory Pollutant
Industrial & Engineering Chemistry Research ( IF 3.8 ) Pub Date : 2018-05-03 , DOI: 10.1021/acs.iecr.8b01098 Balakumar Vellaichamy 1 , Prakash Periakaruppan 1
Industrial & Engineering Chemistry Research ( IF 3.8 ) Pub Date : 2018-05-03 , DOI: 10.1021/acs.iecr.8b01098 Balakumar Vellaichamy 1 , Prakash Periakaruppan 1
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A synthesis of novel sulfur and phosphorous co-doped graphitic carbon nitride (SP-g-C3N4) covalently grafted polyaniline (PANI) metal-free nanocomposite via an in situ oxidative polymerization is reported here. The nanocomposite was characterized by various instrumentation techniques such as UV-DRS, FT-IR, XRD, SEM, HR-TEM, EDX, and SEM mapping analysis. The as-prepared SP-g-C3N4-PANI metal-free nanocomposite shows an outstanding photocatalytic activity for the dedyeing of methylene blue (MB) under visible light irradiation. The nanocomposite catalyst greatly promotes the charge separation efficiency of photogenerated electrons and holes compared to its single counterpart, viz., PANI, S-g-C3N4, P-g-C3N4, and SP-g-C3N4, for catalytic degradation. The present novel approach provides a new insight into the design and development of nanocomposite materials for the removal of toxic contaminants for public safety and security. Also, study of this kind will undoubtedly expedite new research on solar-driven water splitting.
中文翻译：
新型无金属介孔带隙修饰的氮化碳接枝聚苯胺纳米复合材料的协同组合用于难治性污染物的去污
本文报道了一种通过原位氧化聚合反应合成的新型硫和磷共掺杂的石墨氮化碳（SP-gC 3 N 4）共价接枝的聚苯胺（PANI）无金属纳米复合材料。纳米复合材料的特征在于各种仪器技术，例如UV-DRS，FT-IR，XRD，SEM，HR-TEM，EDX和SEM映射分析。所制备的SP-gC 3 N 4 -PANI无金属纳米复合材料在可见光照射下对亚甲基蓝（MB）的脱色显示出优异的光催化活性。与它的单一对应物（即PANI，SgC 3 N 4）相比，纳米复合催化剂极大地提高了光生电子和空穴的电荷分离效率。，PgC 3 N 4和SP-gC 3 N 4，用于催化降解。本新颖的方法为纳米复合材料的设计和开发提供了新的见解，用于去除有毒污染物，以确保公共安全。而且，这种研究无疑将加速对太阳能驱动的水分解的新研究。
更新日期：2018-05-03
中文翻译：
新型无金属介孔带隙修饰的氮化碳接枝聚苯胺纳米复合材料的协同组合用于难治性污染物的去污
本文报道了一种通过原位氧化聚合反应合成的新型硫和磷共掺杂的石墨氮化碳（SP-gC 3 N 4）共价接枝的聚苯胺（PANI）无金属纳米复合材料。纳米复合材料的特征在于各种仪器技术，例如UV-DRS，FT-IR，XRD，SEM，HR-TEM，EDX和SEM映射分析。所制备的SP-gC 3 N 4 -PANI无金属纳米复合材料在可见光照射下对亚甲基蓝（MB）的脱色显示出优异的光催化活性。与它的单一对应物（即PANI，SgC 3 N 4）相比，纳米复合催化剂极大地提高了光生电子和空穴的电荷分离效率。，PgC 3 N 4和SP-gC 3 N 4，用于催化降解。本新颖的方法为纳米复合材料的设计和开发提供了新的见解，用于去除有毒污染物，以确保公共安全。而且，这种研究无疑将加速对太阳能驱动的水分解的新研究。
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