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Invited Review Article: Tip modification methods for tip-enhanced Raman spectroscopy (TERS) and colloidal probe
1School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China.
The Review of Scientific Instruments
|April 5, 2017
Summary
This review updates atomic force microscopy (AFM) tip modifications for tip-enhanced Raman spectroscopy (TERS) and colloidal probe techniques. It highlights new methods, applications, and challenges like cost and reproducibility for researchers.
Area of Science:
- Materials Science
- Nanotechnology
- Spectroscopy
Background:
- Atomic force microscopy (AFM) tip engineering is crucial for advanced techniques.
- Reliable tip modification is essential for tip-enhanced Raman spectroscopy (TERS) and colloidal probe applications.
Purpose of the Study:
- To provide a 10-year update on AFM tip modification methods.
- To guide researchers in selecting appropriate tip fabrication techniques.
- To discuss future opportunities and challenges in TERS and colloidal probe tip development.
Main Methods:
- Review of novel tip modification strategies developed over the past decade.
- Analysis of potential applications beyond original intent for TERS tip fabrication.
- Discussion of interdisciplinary combinations of fabrication methods.
Main Results:
- Identification of various new tip modification methods.
- Exploration of unexpected applications for TERS tip fabrication.
- Acknowledgement of persistent challenges including high cost and poor reproducibility.
Conclusions:
- Continued innovation in tip engineering is vital for advancing TERS and colloidal probe techniques.
- Addressing cost and reproducibility issues is key for widespread adoption.
- Exploring novel material combinations and applications will drive future progress.
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