Journal
INNOVATION
Volume 1, Issue 3, Pages -Publisher
CELL PRESS
DOI: 10.1016/j.xinn.2020.100051
Keywords
SERS; CHARGE TRANSFER; SEMICONDUCTOR; CHEMICAL MECHANISM; DEFECT ENGINEERING
Categories
Funding
- National Natural Science Foundation of China [51772319, 51772320, 51972331, 61575196]
- Youth Innovation Promotion Association of the Chinese Academy of Sciences [2018356]
- External Cooperation Program of the Chinese Academy of Sciences [121E32KYSB20190008]
- Outstanding Youth Fund of Jiangxi Province [20192BCBL23027]
- Natural Science Foundation of Jiangxi Province [20181ACB20011]
- Six Talent Peaks Project of Jiangsu Province [XCL-170]
- Chongqing Talents Program [CQYC201905041]
- Chongqing Scientific and Technological Program Project of China [cstc2019jcyj-msxmX0663]
- Science and Technology Research Program of Chongqing Municipal Education Commission [KJQN201904102]
- Science and Technology Project of Nanchang [2017-SJSYS-008]
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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.
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