苝四羧酸二酰亚胺修饰增强g-C3N4光催化性能
O614.41; 以3,4,9,10-苝四甲酸二酐和L-天冬氨酸为原料,合成水溶性苝二酰亚胺衍生物N,N′-二(2-丁二酸基)-3,4,9,10-苝四羧酸二酰亚胺(PASP).采用水热法将PASP接枝在g-C3 N4上,制备PASP改性g-C3 N4复合光催化剂(g-C3 N4-PASP).通过X射线衍射仪(XRD)、傅里叶变换红外光谱仪(FT-IR)、X射线光电子能谱仪(XPS)、扫描电子显微镜(SEM)、透射电子显微镜(TEM)、紫外-可见光漫反射光谱(UV-Vis DRS)和固体荧光光谱等对g-C3N4-PASP的组成、结构、形貌和光学性质等进行表征,考察g-C3 N4-PASP对水溶液...
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| Published in | 材料工程 Vol. 50; no. 3; pp. 98 - 106 |
|---|---|
| Main Authors | , , , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
西安工业大学材料与化工学院,西安710021
20.03.2022
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-4381 |
| DOI | 10.11868/j.issn.1001-4381.2021.000057 |
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| Abstract | O614.41; 以3,4,9,10-苝四甲酸二酐和L-天冬氨酸为原料,合成水溶性苝二酰亚胺衍生物N,N′-二(2-丁二酸基)-3,4,9,10-苝四羧酸二酰亚胺(PASP).采用水热法将PASP接枝在g-C3 N4上,制备PASP改性g-C3 N4复合光催化剂(g-C3 N4-PASP).通过X射线衍射仪(XRD)、傅里叶变换红外光谱仪(FT-IR)、X射线光电子能谱仪(XPS)、扫描电子显微镜(SEM)、透射电子显微镜(TEM)、紫外-可见光漫反射光谱(UV-Vis DRS)和固体荧光光谱等对g-C3N4-PASP的组成、结构、形貌和光学性质等进行表征,考察g-C3 N4-PASP对水溶液中模型污染物亚甲基蓝(MB)的光催化降解活性.结果表明:g-C3 N4与PASP经水热反应,可通过酰胺键共价结合;相比纯g-C3 N4,g-C3 N4-PASP比表面积显著增大,吸收带边红移至614 nm,同时PASP修饰可促进g-C3 N4材料表面光生电子和空穴分离,进而有效提升光催化活性.在可见光(λ>420 nm)照射下,g-C3 N4-PASP对MB的降解率60 min内可达99.4％,降解速率常数k约为g-C3 N4的2倍. |
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| AbstractList | O614.41; 以3,4,9,10-苝四甲酸二酐和L-天冬氨酸为原料,合成水溶性苝二酰亚胺衍生物N,N′-二(2-丁二酸基)-3,4,9,10-苝四羧酸二酰亚胺(PASP).采用水热法将PASP接枝在g-C3 N4上,制备PASP改性g-C3 N4复合光催化剂(g-C3 N4-PASP).通过X射线衍射仪(XRD)、傅里叶变换红外光谱仪(FT-IR)、X射线光电子能谱仪(XPS)、扫描电子显微镜(SEM)、透射电子显微镜(TEM)、紫外-可见光漫反射光谱(UV-Vis DRS)和固体荧光光谱等对g-C3N4-PASP的组成、结构、形貌和光学性质等进行表征,考察g-C3 N4-PASP对水溶液中模型污染物亚甲基蓝(MB)的光催化降解活性.结果表明:g-C3 N4与PASP经水热反应,可通过酰胺键共价结合;相比纯g-C3 N4,g-C3 N4-PASP比表面积显著增大,吸收带边红移至614 nm,同时PASP修饰可促进g-C3 N4材料表面光生电子和空穴分离,进而有效提升光催化活性.在可见光(λ>420 nm)照射下,g-C3 N4-PASP对MB的降解率60 min内可达99.4％,降解速率常数k约为g-C3 N4的2倍. |
| Author | 周宏伟 张改 陈卫星 郝宁 赵卫峰 钱慧锦 马爱洁 |
| AuthorAffiliation | 西安工业大学材料与化工学院,西安710021 |
| AuthorAffiliation_xml | – name: 西安工业大学材料与化工学院,西安710021 |
| Author_FL | ZHAO Weifeng ZHANG Gai CHEN Weixing ZHOU Hongwei MA Aijie HAO Ning QIAN Huijin |
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| Author_xml | – sequence: 1 fullname: 赵卫峰 – sequence: 2 fullname: 郝宁 – sequence: 3 fullname: 张改 – sequence: 4 fullname: 钱慧锦 – sequence: 5 fullname: 马爱洁 – sequence: 6 fullname: 周宏伟 – sequence: 7 fullname: 陈卫星 |
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| Keywords | 石墨相氮化碳;苝四羧酸二酰亚胺;化学修饰;光催化 |
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| Title | 苝四羧酸二酰亚胺修饰增强g-C3N4光催化性能 |
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