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Naphthalimide‐Based 3D Organic Semiconductors: Synthesis and Application as Photo‐Electrocatalysts for Organic Dyes Degradation and Water Splitting

机译:基于萘二酰亚胺的三维有机半导体:有机染料降解和分解水的光电催化剂的合成及其应用

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Abstract 1,2‐diketone‐based naphthalimide has emerged as an important electron‐withdrawing building block in the synthesis of organic semiconductor assemblies for a wide range of applications. The reaction with different diamine derivatives enables the formation of pyrazine linkers which promotes planarity and rigidity of the naphthalimide‐based semiconductors, therefore tunning their electronic structure and processability. Despite the significant use of this versatile building block to generate flat and rigid assemblies, the correlation between rigidity and dimensionality in these systems and their photocatalytic activity remains unexplored so far. Herein, with the aim to modulate the photocatalytic activity of these materials, a new family of assemblies with different dimensionality end‐capped with naphthalimide moieties are developed in which one (NIPB), three (3NIPT), and four (4NIPTM) units have been selectively introduced. The good processability of these novel semiconductors combined with their suitable energy levels allows their application as photo‐electrocatalysts for the degradation of organic dyes and for water splitting. The derivative with the highest dimensionality, 4NIPTM, shows higher photo‐electrocatalytic activity and lower charge transfer resistance than that of conventional semiconductors (such as TiO2 and C3N4), reaching photocurrents up to 20 µA cm−2.
机译:基于抽象1、2列车二酮量naphthalimide成为一个重要的电子撤回构建块在有机合成为广泛的半导体组件应用程序。衍生品使吡嗪的形成促进平面性和刚性的连接器naphthalimide检测半导体为基础,因此调整他们的电子结构和加工性能。这个通用的构件生成平面和严格的程序集之间的关系在这些系统和刚度和维度其光催化活性还有待开发到目前为止。这些材料,催化活性的一个新的程序集具有不同的家庭维数与naphthalimide终端封顶开发一个半个(NIPB),三个(3 nipt)和4 (4 niptm)单位选择性地介绍。这些小说的半导体与他们相结合合适的能级可以让他们的应用程序是照片还是electrocatalysts退化对水的有机染料和分裂。导数最高的维度,4 niptm,显示了更高的照片electrocatalytic应承担的活动和电荷转移电阻更低比传统半导体(如二氧化钛和C3N4),达到光电流20

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