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Updated: Feb 2, 2026

Observation and Analysis of Blinking Surface-enhanced Raman Scattering
Published on: January 11, 2018
Multifunctional Zn-Al layered double hydroxides for surface-enhanced Raman scattering and surface-enhanced infrared
Yiyue Zhang1, Liangjing Zhang, Liang Hu
1Shenzhen Key Laboratory of Laser Engineering, College of Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, P. R. China. zhangmin@szu.edu.cn yjzeng@szu.edu.cn.
This study introduces Zinc-Aluminum Layered Double Hydroxides (LDHs) as novel, highly sensitive substrates for Surface-Enhanced Raman Scattering (SERS) and Surface-Enhanced Infrared Absorption (SEIRA) analysis.
Area of Science:
- Materials Science
- Spectroscopy
- Nanotechnology
Background:
- Surface-enhanced Raman scattering (SERS) and surface-enhanced infrared absorption (SEIRA) are sensitive spectroscopic techniques for material analysis.
- Developing uniform and highly sensitive substrates is crucial for advancing SERS and SEIRA applications.
Purpose of the Study:
- To introduce Zinc-Aluminum Layered Double Hydroxides (Zn-Al LDHs) as novel substrates for SERS and SEIRA.
- To evaluate the sensitivity and uniformity of Zn-Al LDHs for these spectroscopic techniques.
Main Methods:
- Fabrication of Zn-Al layered double hydroxide (LDH) materials.
- Utilizing 4-mercaptobenzoic acid (4-MBA) as a probe molecule for SERS measurements.
- Employing 4-methoxybenzenethiol (4-MTP) as a probe molecule for SEIRA measurements.
Main Results:
- Zn-Al LDHs demonstrated a significant SERS effect with an enhancement factor (EF) of 1.637 × 10^4.
- Charge transfer and hydrogen bonds are identified as contributing factors to the observed SERS effect.
- Zn-Al LDHs exhibited SEIRA properties with excellent long-term substrate stability.
Conclusions:
- Zn-Al LDHs offer a facile fabrication route and serve as highly sensitive, uniform substrates for both SERS and SEIRA.
- This work presents a novel dual-application substrate for advanced spectroscopic analysis.
- The findings pave the way for broader applications of LDHs in sensitive material characterization.
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