2024
DOI: 10.1021/acs.langmuir.4c02165
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Photoinduced Charge Transfer Empowers Ta4C3 and Nb4C3 MXenes with High SERS Performance

Leilei Lan,
Ziheng Ni,
Caiye Zhao
et al.

Abstract: This study introduces two-dimensional (2D) Ta 4 C 3 and Nb 4 C 3 MXenes as outstanding materials for surface-enhanced Raman scattering (SERS) sensing, marking a significant departure from traditional noble-metal substrates. These MXenes exhibit exceptional SERS capabilities, achieving enhancement factors around 10 5 and detection limits as low as 10 −7 M for various analytes, including environmental pollutants and drugs. The core of their SERS functionality is attributed to the robust interfacial photoinduced … Show more

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