材料科学
电磁屏蔽
芴
量子产额
噻吩
甲苯
产量(工程)
光化学
荧光
光电子学
近红外光谱
光学
聚合物
有机化学
化学
复合材料
物理
作者
Qinglai Yang,Zhuoran Ma,Huasen Wang,Bin Zhou,Shoujun Zhu,Yongwang Zhong,Junying Wang,Hao Wan,Alexander L. Antaris,Rui Ma,Xiao Zhang,Jingyi Yang,Xiaodong Zhang,Haitao Sun,Weiqiang Liu,Yongye Liang,Hongjie Dai
标识
DOI:10.1002/adma.201605497
摘要
A new design for second near-infrared window (NIR-II) molecular fluorophores based on a shielding unit-donor-acceptor-donor-shielding unit (S-D-A-D-S) structure is reported. With 3,4-ethylenedioxy thiophene as the donor and fluorene as the shielding unit, the best performance fluorophores IR-FE and IR-FEP exhibit an emission quantum yield of 31% in toluene and 2.0% in water, respectively, representing the brightest organic dyes in NIR-II region reported so far.
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