NDLI: Blue-shift of photoluminescence induced by coupling effect of a nanohybrid composed of fluorophore–phenothiazine derivative and gold nanoparticles

Content Provider	Springer Nature Link
Author	Kong, Lin Yang, Jia xiang Chen, Qi yu Zhang, Qiong Ke, Wen dong Xue, Zhao ming Zhou, Hong ping Wu, Jie ying Jin, Bao kang Tian, Yu peng
Copyright Year	2014
Abstract	A flurophore–phenothiazine derivative {2-[(10-ethyl-10H-phenothiazin-3-yl)-methylene] malononitrile, abbreviated as L} is designed, synthesized, and characterized by single crystal X-ray diffraction analysis. Further, L is used to couple with Au NPs to construct L–Au nanohybrid. Upon the coupling effect between L and Au components, blue-shifted photoluminescence with an obvious increased FL lifetime has been achieved. Surface enhanced Raman scattering analysis reveals that L molecules couple with Au NPs through S atoms. The coupling “hot spot” and the energy match between the Femi level of Au NPs and the frontier molecular orbital energy of L are effective factors in distributing the photogenerated electrons at the interface to tune the optical property. A D-π-A type phenothiazine derivative (L) was synthesized and used to prepare nanohybrid with Au NPs. L molecules coupled with Au NPs through S atoms, which brought about significant blue-shift of the fluorescence and an obvious increase of FL lifetime.
Starting Page	1
Ending Page	12
Page Count	12
File Format	PDF
ISSN	13880764
Journal	Journal of Nanoparticle Research
Volume Number	16
Issue Number	3
e-ISSN	1572896X
Language	English
Publisher	Springer Netherlands
Publisher Date	2014-02-27
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Dye-metal nanohybrid Coupling effect Optical properties SERS Nanocomponents Nanotechnology Inorganic Chemistry Characterization and Evaluation of Materials Physical Chemistry Optics, Optoelectronics, Plasmonics and Optical Devices
Content Type	Text
Resource Type	Article
Subject	Chemistry Nanoscience and Nanotechnology Atomic and Molecular Physics, and Optics Condensed Matter Physics Bioengineering Modeling and Simulation

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