Gas-phase growth of two-dimensional nonlayered metallic Cu2Se nanoflakes for ultrasensitive surface-enhanced Raman scattering

Key Points

• This research aims to develop non-noble metallic Cu2Se nanoflakes to improve surface-enhanced Raman scattering (SERS) sensitivity.
• Utilized molecular sieve-assisted chemical vapor deposition for synthesis
• Focused on optimizing growth conditions for high-quality nanoflakes
• Conducted stability and reproducibility assessments of the produced materials
• Achieved high sensitivity in SERS applications with Cu2Se nanoflakes
• Demonstrated enhanced stability and reproducibility compared to traditional noble metal SERS materials
• Showed potential for broadening applications in molecular sensing