期刊
JOURNAL OF RAMAN SPECTROSCOPY
卷 45, 期 7, 页码 533-540出版社
WILEY
DOI: 10.1002/jrs.4504
关键词
visualized method; charge difference density; chemical enhancement; SERS
类别
资金
- National Natural Science Foundation of China [11374353, 11274149]
- Program of Shenyang Key Laboratory of Optoelectronic Materials and Technology [F12-254-1-00]
- Program for New Century Excellent Talents in University [NCET-12-0077]
We review our developed visualization method of charge transfer (CT) for chemical enhancement mechanism on surface-enhanced Raman scattering (SERS) and tip-enhanced Raman spectroscopy (TERS). Firstly, we describe our visualization method of charge difference density, which provides direct visual evidence for photoinduced CT. And then, using the visualization method of CT, we interpreted the mechanism of SERS and TERS. Photoinduced charge transfer in the processes of SERS and TERS can be clearly seen. Our visualization method provides a visual and easy understanding way for the mechanism of SERS and TERS. Copyright (C) 2014 John Wiley & Sons, Ltd.
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