Abstract
Organic micro/nanocrystals based on small organic molecules have drawn extensive attention due to their potential application in organic field-effect transistors, electrochemical sensors, solar cells, etc. Herein, the recent advances for organic micro/nanocrystals from the perspective of molecule aggregation mode, morphology modulation, and optical property modulation are reviewed. The stacking mode and the intermolecular interaction depend on the molecular structure, which eventually determines the morphology of organic micro/nanocrystals. The morphologies of the organic micro/nanocrystals make the aggregates exhibit photon confinement or light-guiding properties as organic miniaturized optoelectronic devices. In this review, we conclude with a summary and put forward our perspective on the current challenges and the future development of morphology and optical tunable direction for the organic micro/nanocrystals.
摘要
基于有机小分子的低维有机微纳米晶体因在有机场效应晶体管、电化学传感器、太阳能电池等领域的潜在应用而备受关注. 本文从分子聚集模式、形貌调控、光学性质调控等方面综述了近十年来有机微纳米晶体的研究进展. 首先介绍了分子聚集体模式对有机微/纳米晶体物理化学性质(进而对其光学性质和形貌)的潜在影响, 接着总结了形貌调控的多种方法和详细过程. 此外, 我们还探究了导致有机微/纳米晶体不同光学性质的机理和调控方法. 最后, 我们从可控性和分子结构-聚集行为-微/纳米结构-光学性质之间的不定量关系提出了有机微/纳米晶体领域目前面临的挑战, 展望了具有可调形貌和光学特性的有机晶体应用于实际光电器件中的前景. 这篇综述将促进有机微/纳米晶体的可控合成及结构与光学性能关系的基础研究和实际应用方面的发展.
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Acknowledgements
This work was supported by the National Natural Science Foundation of China (21971185), the Collaborative Innovation Center of Suzhou Nano Science and Technology (CIC-Nano), and the “111” Project of The State Administration of Foreign Experts Affairs of China.
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Ma Y and Li ZZ wrote the manuscript; Lin H and Wang XD developed the concept and revised the manuscript; Zhuo S prepared the figures; Chen S classified and analyzed the reference papers. All authors participated in the general discussion.
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Hongtao Lin is an associate professor at the School of Chemistry and Chemical Engineering, Shandong University of Technology. She received her PhD degree from the Institute of Chemistry, Chinese Academy of Sciences in 2013 after she got her MSc degree (2010) from Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences. Her research includes the design and synthesis of novel organic semiconductors, and the fabrication and characterization of organic optoelectronic devices.
Shuhai Chen is a professor at the School of Chemistry and Chemical Engineering, Shandong University of Technology. In 2012, he received his PhD degree from Shanxi Institute of Coal Chemistry, Chinese Academy of Sciences. His research interests focus on molecular materials, polymer materials, and optoelectronic devices.
Xue-Dong Wang is a professor at the Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University. He received his Bachelor’s degree in chemistry from Lanzhou University in 2011 and his PhD degree in physical chemistry from the Institute of Chemistry, Chinese Academy of Sciences in 2016. His research focuses on the fine synthesis of organic low-dimensional structures and the organic photonics including OSSLs and optical waveguides.
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Ma, Y., Li, ZZ., Lin, H. et al. Advances in organic micro/nanocrystals with tunable physicochemical properties. Sci. China Mater. 65, 593–611 (2022). https://doi.org/10.1007/s40843-021-1850-1
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DOI: https://doi.org/10.1007/s40843-021-1850-1