Aggregation enhanced two-photon fluorescence of organic nanoparticles
Shi, XR; Xu, ZZ; Liao, Q; Wu, YS; Gu, ZJ; Zheng, RH; Fu, HB; Gu ZJ(谷战军)
刊名DYES AND PIGMENTS
2015
卷号115页码:211-217
关键词Two-photon excited fluorescence Bio-imaging Donor-pi-acceptor Intramolecular charge-transfer Nanoparticles Aggregation-enhanced two-photon fluorescence
学科分类Chemistry; Engineering; Materials Science
DOI10.1016/j.dyepig.2014.12.023
文章类型Review
英文摘要Two-photon excited fluorescence bio-probes have obtained a great deal of interests in biological imaging and sensing applications. We synthesized a new donor-pi-acceptor molecular (BNSN) with strong intramolecular charge-transfer (ICT). Interestingly, different from conventional ICT compounds, BNSN molecules present an unusual ICT phenomenon, leading to a red-shifted emission and an increased fluorescence quantum yield (Phi) with increasing the polarity of solvents. Moreover, the fluorescence intensity and two-photon absorption cross-section all enhanced when the molecules aggregated. The nanoparticles of BNSN exhibit strong two-photon excited fluorescence in aqueous media, exhibiting the property of aggregation-enhanced two-photon fluorescence (AE-TPF). Our results demonstrate that the BNSN molecules with AE-TPF effect provide a new molecular type to construct efficient two-photon excited fluorescence nano-probes for bid-imaging. (C) 2015 Elsevier Ltd. All rights reserved.
类目[WOS]Chemistry, Applied ; Engineering, Chemical ; Materials Science, Textiles
收录类别SCI ; EI
WOS记录号WOS:000350078900027
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被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228224
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
中国科学院高能物理研究所_多学科研究中心
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Shi, XR,Xu, ZZ,Liao, Q,et al. Aggregation enhanced two-photon fluorescence of organic nanoparticles[J]. DYES AND PIGMENTS,2015,115:211-217.
APA Shi, XR.,Xu, ZZ.,Liao, Q.,Wu, YS.,Gu, ZJ.,...&谷战军.(2015).Aggregation enhanced two-photon fluorescence of organic nanoparticles.DYES AND PIGMENTS,115,211-217.
MLA Shi, XR,et al."Aggregation enhanced two-photon fluorescence of organic nanoparticles".DYES AND PIGMENTS 115(2015):211-217.
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