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廖良生教授课题组与蒋佐权教授课题组合作在Adv. Mater.上发表论文
发布时间:2021-11-25 点击:10

题目:

Research Progress of Intramolecular π-Stacked Small Molecules for Device Applications


作者:

Sheng-Yi Yang,1,+ Yang-Kun Qu,1,+ Liang-Sheng Liao,1,2,* Zuo-Quan Jiang,1,* and Shuit-Tong Lee1,2


单位:

1 Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou, Jiangsu, 215123, P. R. China

2 Macao Institute of Materials Science and Engineering, Macau University of Science and Technology, Taipa Macau SAR999078, P. R. China


摘要:

Organic semiconductors can be designed and constructed in π-stacked structures instead of the conventional π-conjugated structures. Through-space interaction (TSI) occurs in π-stacked optoelectronic materials. Thus, unlike electronic coupling along the conjugated chain, the functional groups can stack closely to facilitate spatial electron communication. Using π-stacked motifs, chemists and materials scientists can find new ways for constructing materials with aggregation-induced emission (AIE), thermally activated delayed fluorescence (TADF), circularly polarized luminescence (CPL), and room-temperature phosphorescence (RTP), as well as enhanced molecular conductance. Organic optoelectronic devices based on π-stacked molecules have exhibited very promising performance, with some of them exceeding π-conjugated analogues. Recently, reports on various organic π-stacked structures have grown rapidly, prompting this review. Representative molecular scaffolds and newly developed π-stacked systems could stimulate more attention on through-space charge transfer the well-known through-bond charge transfer. Finally, the opportunities and challenges for utilizing and improving particular materials are discussed. The previous achievements and upcoming prospects may provide new insights into the theory, materials, and devices in the field of organic semiconductors.


影响因子:

27.398


分区情况:

一区


链接:

https://onlinelibrary.wiley.com/doi/10.1002/adma.202104125


责任编辑:向丹婷


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