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 Position: Home > issue > The 3rd Issue (November 25, 2020)
Surface Enhanced Raman Scattering Revealed by Interfacial Charge-Transfer Transitions
Category: Review
Author: Shan Cong, Xiaohong Liu, Yuxiao Jiang, Wei Zhang, Zhigang Zhao

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Graphical Abstract


Surface enhanced Raman scattering (SERS) is a fingerprint spectral technique whose performance is highly dependent on the physicochemical properties of the substrate materials. In addition to the traditional plasmonic metal substrates that feature prominent electromagnetic enhancements, boosted SERS activities have been reported recently for various categories of non-metal materials, including graphene, MXenes, transition-metal chalcogens/oxides, and conjugated organic molecules. Although the structural compositions of these semiconducting substrates vary, chemical enhancements induced by interfacial charge transfer are often the major contributors to the overall SERS behavior, which is distinct from that of the traditional SERS based on plasmonic metals. Regarding charge-transfer-induced SERS enhancements, this short review introduces the basic concepts underlying the SERS enhancements, the most recent semiconducting substrates that use novel manipulation strategies, and the extended applications of these versatile substrates.


Cite this article

Cong, S., Liu, X., Jiang, Y., Zhang, W. and Zhao, Z. Surface Enhanced Raman Scattering Revealed by Interfacial Charge-Transfer Transitions. The Innovation 1 (3), 100051 (2020). doi: 10.1016/j.xinn.2020.100051





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