聚酰亚胺基光催化材料研究进展  

Research progress of polyimide-based photocatalytic material

作　　者：丁辉 杜兆富 周忠福 DING Hui;DU Zhaofu;ZHOU Zhongfu(School of Material Science and Engineering,Shanghai University,Shanghai 200444,China;Beijing Aerospace Micro-Electronics Technology Co.,Ltd.,Beijing Institute of Radio Measurenment,Beijing 100039,China;State Key Laboratory of Advanced Special Steel,Shanghai University,Shanghai 200072,China)

机构地区：[1]上海大学材料科学与工程学院,上海200444 [2]北京无线电测量研究所,北京航天微电科技有限公司,北京100039 [3]上海大学省部共建高品质特殊合金与制备国家重点实验室,上海200444

出　　处：《金属功能材料》2023年第2期73-87,共15页Metallic Functional Materials

摘　　要：聚酰亚胺是一种已经在各种领域被广泛应用的高分子聚合物,而作为可见光响应的光催化材料在光催化领域最近取得了新的关注和研究。由于聚酰亚胺有多种合成手段和原料前驱体,其具有可调电子能带结构和高物理化学稳定性。调研和研究了聚酰亚胺和聚酰亚胺基复合光催化领域的最新研究进展和后续发展思路,重点调研了聚酰亚胺的光催化特性来源:类石墨相氮化碳的微观结构;聚酰亚胺光催化微观结构和性能之间的关系;聚酰亚胺与另外一种能级匹配良好的半导体结合,形成纳米异质结。还从理论上讨论了聚酰亚胺基光催化材料的能带结构、电子性质、光学吸收和界面电荷转移,为电荷载流子动力学提供有洞察力的展望。为促进下一代聚酰亚胺基光催化材料的研究开辟一条新的途径,利用其优异的结构、电子和光学性能可调性,实现进一步的发展,从而实现更高性能的可见光光催化材料的性能。As a fascinating and widely used polymer,polyimide(PI)has become a new research hotspot and drawn broad interdisciplinary attention as a visible-light-responsive photocatalyst.This is due to its appealing electronic band structure and high physicochemical stability.A panorama of the latest progress related to the design and construction of PI and PI based composite photocatalyst were summarized,including graphitic carbon nitride(g-C_(3)N_(4))based photocatalytic structure in polyimide,nanoarchitecture design of bare polyimide and its photocatalytic ability,modification of PI and well-matched energy levels of another semiconductor to form heterojunction nanostructure.There will be also theoretically discussed the band structures,electronic properties,optical absorption,and interfacial charge transfer in PI-based heterostructures nanohybrids.It is anticipated that can stimulate a new research doorway to facilitate the next generation of PI based photocatalysts with ameliorated performances by harnessing the outstanding structural,electronic,and optical properties.

关 键 词：光催化材料 聚合物 石墨相氮化碳 

分 类 号：O643.36[理学—物理化学] O644.1[理学—化学]