CAJ | 학술논문

利用界面聚合法，成功将聚苯胺(PANI)纳米棒生长在石墨型氮化碳(g-C3N4)片层上，制备了PANI/g-C3N4复合光催化剂。采用傅里叶变换红外(FTIR)光谱、X射线衍射(XRD)、扫描电镜(SEM)、紫外-可见(UV-Vis)光谱、热重分析(TGA)和电化学工作站表征手段考察样品的结构、形貌及性能，以可见光催化降解亚甲基蓝为模型考察样品的可见光催化活性。实验结果表明，在复合材料中的g-C3N4能很好地分散成层状，并在层间与PANI纳米棒形成复合物，这种特殊的复合结构不仅利于片状g-C3N4对PANI链段运动的限制及对其降解产物的物理屏蔽，从而可以提高复合材料的热稳定性，而且具有优越的可见光催化性能。
이용계면취합법，성공장취분알(PANI)납미봉생장재석묵형담화탄(g-C3N4)편층상，제비료PANI/g-C3N4복합광최화제。채용부리협변환홍외(FTIR)광보、X사선연사(XRD)、소묘전경(SEM)、자외-가견(UV-Vis)광보、열중분석(TGA)화전화학공작참표정수단고찰양품적결구、형모급성능，이가견광최화강해아갑기람위모형고찰양품적가견광최화활성。실험결과표명，재복합재료중적g-C3N4능흔호지분산성층상，병재층간여PANI납미봉형성복합물，저충특수적복합결구불부리우편상g-C3N4대PANI련단운동적한제급대기강해산물적물리병폐，종이가이제고복합재료적열은정성，이차구유우월적가견광최화성능。
Polyaniline (PANI) nanorods grown on layered graphitic carbon nitride (g-C3N4) sheets are synthesized by interfacial polymerization. The structure, morphology, and properties of the photocatalysts are characterized by Fourier transform infrared (FTIR), X-ray diffraction (XRD), and UV-visible (UV-Vis) spectroscopies, scanning electron microscopy (SEM), thermogravimetric analysis (TGA), and electrochemical analysis. Photocatalytic degradation of methylene blue is investigated to determine the photoactivity of the catalyst. The results suggest that g-C3N4 possesses good dispersion with an intercalated nanostructure and interfacial adhesion with PANI. In addition, the PANI/g-C3N4 composites retain the advantage of high thermal stability resident with g-C3N4. This is ascribed to a physical barrier effect on the emanation of degradation products and inhibited polymer motion. The resulting composites also show more intensive photocatalytic activity than does g-C3N4.