Liquid crystal (LCs) is the state of matter that exhibits properties between a conventional
liquid and solid crystals. Liquid crystals mainly can be classified into two types: thermotropic …

This article gives a review of surface-enhanced Raman scattering (SERS) sensors for food
safety and environmental pollution monitoring. It introduces the basic concepts of SERS …

The development of substrate with high sensitivity and good reproducibility for surface-
enhanced Raman scattering (SERS) detection of contaminants in foods has attracted more …

High sensitivity imposes strict requirements on a sensing platform, for which nanostructured
arrays are promising candidates. The template‐assisted method is an effective strategy to …

A simple approach combining electrochemical reaction self-assembly and photolithography
has been proposed for the controlled and reproducible fabricating the highly ordered Au-Ag …

Highly sensitive and reproducible surface-enhanced Raman scattering (SERS) substrates
are the main challenge for practical applications. In this work, an ordered and hierarchical …

The surface topography of noble metal particles is a significant factor in tailoring surface-
enhanced Raman scattering (SERS) properties. Here, we present a simple fabrication route …

Low-cost Cu–Au alloy hierarchical structures are fabricated by coelectrodeposition, and the
highest SERS activity is obtained when the atom ratio of Cu and Au is about 88: 12. The …

A facile and simple route has been proposed for the fabrication of Au–Ag composite
micro/nanostructures by using double-pass porous alumina (DPA) template-assisted …

Enrichment is a valuable strategy to further improve the detection limit. In this work, ZnAl-
layered double hydroxide (ZnAl-LDH) nanosheets array in situ synthesized on Al foil was …