Molecular Motion in the Solid State

被引：77

作者：

Liu, Shunjie ^{[1
,2
]}

Li, Yuanyuan ^{[1
,2
]}

Zhang, Haoke ^{[1
,2
]}

Zhao, Zheng ^{[1
,2
]}

Lu, Xuefeng ^{[1
,2
]}

Lam, Jacky W. Y. ^{[1
,2
]}

Tang, Ben Zhong ^{[1
,2
,3
]}

机构：

[1] Hong Kong Univ Sci & Technol, Chinese Natl Engn Res Ctr Tissue Restorat & Recon, Hong Kong Branch, Dept Chem,Kowloon, Clear Water Bay, Hong Kong, Peoples R China

[2] Hong Kong Univ Sci & Technol, Inst Adv Study, Kowloon, Clear Water Bay, Hong Kong, Peoples R China

[3] South China Univ Technol, Ctr Aggregat Induced Emiss, SCUT HKUST Joint Res Lab, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Peoples R China

来源：

ACS MATERIALS LETTERS | 2019年 / 1卷 / 04期

基金：

美国国家科学基金会;

关键词：

AGGREGATION-INDUCED EMISSION; INTRAMOLECULAR MOTION; AIE; AIEGENS;

D O I：

10.1021/acsmaterialslett.9b00292

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

All matter is in motion, and such behavior has been well studied in the gas and liquid states. However, the study of solid-state molecular motion is still in its infancy, mainly, because of the absence of valid characterization methods. Aggregation-induced emission (ME) is a cutting-edge fluorescence technology related to aggregate-state luminescence. Thus, it holds great potential to address this issue. ME luminogens (AIEgens) are often propellerlike in shape and are, therefore, born with molecular mobility. The emission of AlEgens is determined by molecular motion, and thus, the motion in the solid state can be visualized by fluorescence variation. The active molecular motion of AlEgens promotes nonradiative decay of excitons to release heat in the nanoparticles. This makes AlEgens find application in photothermal therapy and photoacoustic imaging. In this Viewpoint, we briefly introduce a newly emerging frontier derived from ME: molecular motion in the solid state with the hope to stimulate new ideas and inspire new endeavors in this area.

引用

页码：425 / +

页数：13

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