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Molecular Carbon Imides
Journal of the American Chemical Society ( IF 14.4 ) Pub Date : 2022-07-29 , DOI: 10.1021/jacs.2c04642
Wei Jiang 1 , Zhaohui Wang 1
Affiliation  

The creation and development of new forms of nanocarbons have fundamentally transformed the scientific landscape in the past three decades. As new members of the nanocarbon family with accurate size, shape, and edge structure, molecular carbon imides (MCIs) have shown unexpected and unique properties. Particularly, the imide functionalization strategy has endowed these rylene-based molecular carbons with fascinating characteristics involving flexible syntheses, tailor-made structures, diverse properties, excellent processability, and good stability. This Perspective elaborates molecular design evolution to functional landscapes, and illustrative examples are given, including a promising library of multi-size and multi-dimensional MCIs with rigidly conjugated π-architectures, ranging from 1D nanoribbon imides and 2D nanographene imides to cross-dimensional MCIs. Although researchers have achieved substantial progress in using MCIs as functional components for exploration of charge transport, photoelectric conversion, and chiral luminescence performances, they are far from unleashing their full potential. Developing highly efficient and regioselective coupling/ring-closure reactions involving the formation of multiple C–C bonds and the annulation of electron-deficient aromatic units is crucial. Prediction by theory with the help of machine learning and artificial intelligence research along with reliable nanotechnology characterization will give an impetus to the blossom of related fields. Future investigations will also have to advance toward─or even focus on─the emerging potential functions, especially in the fields of chiral electronics and spin electronics, which are expected to open new avenues.

中文翻译:

分子碳酰亚胺

在过去的三十年里,新型纳米碳的创造和发展从根本上改变了科学格局。作为具有精确尺寸、形状和边缘结构的纳米碳家族的新成员,分子碳酰亚胺 (MCI) 表现出意想不到的独特性能。特别是,酰亚胺官能化策略赋予这些基于萘嵌苯的分子碳以令人着迷的特性,包括灵活的合成、定制的结构、多样化的性能、优异的加工性能和良好的稳定性。这个观点详细阐述了分子设计向功能景观的演变,并给出了说明性的例子,包括一个有前途的多尺寸和多维 MCI 库,具有刚性共轭 π 架构,从一维纳米带酰亚胺和二维纳米石墨烯酰亚胺到跨维MCI。尽管研究人员在使用 MCI 作为功能组件探索电荷传输、光电转换和手性发光性能方面取得了实质性进展,但它们远未充分发挥其潜力。开发涉及多个 C-C 键的形成和缺电子芳族单元的环化的高效和区域选择性偶联/闭环反应至关重要。借助机器学习和人工智能研究的理论预测以及可靠的纳米技术表征,将推动相关领域的蓬勃发展。未来的调查还必须朝着——甚至专注于——新兴的潜在功能,
更新日期:2022-07-29
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