<i>In situ</i> fabrication of graphene nanowalls as active surface-enhanced Raman scattering substrate

Sun, Tai; Gu, Feng; Pu, Lichun; Liu, Xiaohong; Zhang, Wei; Yu, Linfeng; Yang, Jun; Yu, Chongsheng; Huang, Deping; Xu, Zhixian; He, Shixuan; Du, Chunlei; Wei, Dapeng

doi:10.1166/mex.2017.1390

mat express

2017

DOI: 10.1166/mex.2017.1390

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In situ fabrication of graphene nanowalls as active surface-enhanced Raman scattering substrate

Tai Sun¹,

Feng Gu²,

Lichun Pu³

et al.

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Research progress and application of two-dimensional materials for surface-enhanced Raman scattering

Zhang,

Peng,

Lin

et al. 2024

Surf. Sci. Tech.

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Surface Enhanced Raman Scattering (SERS) is a pivotal detection technology that identifies molecular spectral signals at the single-molecule level. Owing to its sensitivity and non-destructive nature, SERS has found extensive applications in diverse fields such as environmental science, medical diagnosis, food safety, and bioanalysis. In recent years, two-dimensional materials have emerged as one prominent novel SERS-active nanomaterials due to their unique physical and chemical properties. This paper provides a comprehensive review of the enhancement mechanism of SERS, substrate preparation, and its applications in biosensing, environmental detection, and food safety. It delves into the widely accepted basic theory and enhancement mechanism of SERS, along with common methods to boost SERS performance, including doping with other elements, applying stress and strain, forming defects, and amorphous processing. This paper examines the current state of research on two-dimensional(2D) materials and their application in the field of SERS. Additionally, it provides an viewpoints on recent advancements in the use of this technology for virus and cancer detection. Lastly, it discusses the future prospects for the development of SERS technology.

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Research progress and application of two-dimensional materials for surface-enhanced Raman scattering

Zhang,

Peng,

Lin

et al. 2024

Surf. Sci. Tech.

View full text Add to dashboard Cite

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Graphene-Based Surface-Enhanced Raman Scattering (SERS) Sensing: Bibliometrics Based Analysis and Review

Zhou

Jin

et al. 2022

Chemosensors

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Surface-enhanced Raman scattering (SERS) has received increasing attention from researchers since it was first discovered on rough silver electrode surfaces in 1974 and has promising applications in life sciences, food safety, and environmental monitoring. The discovery of graphene has stirred considerable waves in the scientific community, attracting widespread attention in theoretical research and applications. Graphene exhibits the properties of a semi-metallic material and has also been found to have Raman enhancement effects such as in metals. At the same time, it quenches the fluorescence background and improves the ratio of a Raman signal to a fluorescence signal. However, graphene single-component substrates exhibit only limited SERS effects and are difficult to use for trace detection applications. The common SERS substrates based on noble metals such as Au and Ag can produce strong electromagnetic enhancement, which results in strong SERS signals from molecules adsorbed on the surface. However, these substrates are less stable and face the challenge of long-term use. The combination of noble metals and graphene to obtain composite structures was an effective solution to the problem of poor stability and sensitivity of SERS substrates. Therefore, graphene-based SERS has been a popular topic within the last decade. This review presents a statistically based analysis of graphene-based SERS using bibliometrics. Journal and category analysis were used to understand the historical progress of the topic. Geographical distribution was used to understand the contribution of different countries and institutions to the topic. In addition, this review describes the different directions under this topic based on keyword analysis and keyword co-occurrence. The studies on this topic do not show a significant divergence. The researchers’ attention has gradually shifted from investigating materials science and chemistry to practical sensing applications. At the end of the review, we summarize the main contents of this topic. In addition, several perspectives are presented based on bibliometric analysis.

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In situ fabrication of graphene nanowalls as active surface-enhanced Raman scattering substrate

Cited by 2 publications

References 0 publications

Research progress and application of two-dimensional materials for surface-enhanced Raman scattering

Research progress and application of two-dimensional materials for surface-enhanced Raman scattering

Graphene-Based Surface-Enhanced Raman Scattering (SERS) Sensing: Bibliometrics Based Analysis and Review

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