Surface-enhanced Raman scattering by hierarchical CuS microflowers: Charge transfer and electromagnetic enhancement

Recent advances in non‐plasmonic surface‐enhanced Raman spectroscopy nanostructures for biomedical applications

“…For example, hierarchical flower-like CuS microspheres with an average diameter of 1-4 μm were synthesized using a simple hydrothermal approach. 76 The resulting particles exhibited either numerous and sparse petals or piled sheets, as observed on the SEM images Figure 5 (a-c). Using crystal violet (CV), malachite green (MG) and rhodamine 6G (R6G) as model analytes, enhancement factor of 10 5 were obtained with a detection limit down to 10 −8 M for MG and 10 −7 M for CV and R6G (Table 1).…”

“…Interestingly, CuS nanostructures with different morphologies (microflowers, nanodendrites, and hollow particles) and stoichiometry could be prepared in order to optimize enhancement factors and boost SERS efficiency. For example, hierarchical flower‐like CuS microspheres with an average diameter of 1–4 μm were synthesized using a simple hydrothermal approach (Zou et al, 2021). The resulting particles exhibited either numerous and sparse petals or piled sheets, as observed on the SEM images Figure 5a–c.…”

“…Insets show the corresponding typical TEM images. Reproduced (adapted) with permission from Zou et al (2021), Copyright 2021, Elsevier. (d) Representative scheme of the laser‐induced photodegradation of hollow CuS SERS probes.…”

In situ growth of CuS NPs on 3D porous cellulose macrospheres as recyclable biocatalysts for organic dye degradation

“…[56][57][58] The sharp peak at 471 cm À1 belonged to the CuS Raman characteristic absorption peak. 59 The above-mentioned results indicated that CuS was stably deposited on CM aer complexing with CH 3 CSNH 2 in the liquid phase.…”

A hollow Co3−xCuxS4 with glutathione depleting and photothermal properties for synergistic dual-enhanced chemodynamic/photothermal cancer therapy

“…2F). 31,32 The particle size and distribution were measured in aqueous solution using dynamic light scattering (DLS). As shown in Fig.…”