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廖良生教授课题组在small上发表文章
发布时间:2017-5-8 16:57:42 点击:

题目:

White-Emissive Self-Assembled Organic Microcrystals

 

 

作者:

Zhi-Zhou Li, Feng Liang, Ming-Peng Zhuo, Ying-Li Shi, Xue-Dong Wang* and Liang-Sheng Liao*

 

 

单位:

Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu 215123, China.

 

 

摘要:

Organic semiconductor micro-/nanocrystals with regular shapes have been demonstrated for many applications such as organic field-effect transistors, organic waveguide devices, organic solid-state lasers, and therefore are inherently ideal building blocks for the key circuits in the next generation of miniaturized optoelectronics. In the study, blue-emissive organic molecules of 1,4-bis(2-methylstyryl)benzene (o-MSB) can assemble into rectangular microcrystals at a large scale via the room-temperature solution-exchange method. Because of the Förster resonance energy transfer, the energy of the absorbed photons by the host matrix organic molecules of o-MSB can directly transfer to the dopant organic molecules of tetracene or 1,2:8,9-dibenzopentacene (DBP), which then emit visible photons in different colors from blue to green, and to yellow. More impressively, by modulating the doping molar ratios of DBP to o-MSB, bright white-emissive organic microcrystals with well-preserved rectangular morphology can be successfully achieved with a low doping ratio of 1.5%. These self-assembled organic semiconductor microcrystals with multicolor emissions can be the white-light sources for the integrated optical circuits at micro-/nanoscale.

 

 

影响因子:

8.315

 

 

分区情况:

一区                         

 

 

链接:

http://onlinelibrary.wiley.com/doi/10.1002/smll.201604110/full

 

 

责任编辑:向丹婷 联系方式:dtxiang@suda.edu.cn



                                 



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