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YUN ZHOU1,2,* , JIAN CHAI1, XINQIAO TENG2
Titanium nitride (TiN) is a promising candidate for surface-enhanced Raman scattering substrates due to its highly metallic behavior, strong surface plasmon resonance, and good chemical stability. In this research, we developed a novel nanocage-structured TiN through a two-step synthesis protocol involving hydrothermal growth of titanium precursors followed by controlled ammonia nitridation. Comprehensive material characterization using SEM, XRD, and XPS revealed well-defined nanocage morphology with face-centered cubic crystalline structure and stoichiometric Ti/N ratio. Remarkably, the nanocage architecture TiN demonstrated intensified localized surface plasmon resonance (LSPR) effects across visible to near-infrared spectra, translating to superior SERS performance with detection sensitivity reaching 10-11 M for bisphenol A. Furthermore, nanocage TiN exhibits excellent resistance to acid–base corrosion, thus rendering it suitable for use as substrates in acid–base environments.
Nanocage structure, Hydrothermal method, Surface-enhanced Raman scattering, Raman detection.
YUN ZHOU, JIAN CHAI, XINQIAO TENG, Highly sensitive and stable nanocage TiN SERS substrate synthesized via a facile hydrothermal method, Optoelectronics and Advanced Materials - Rapid Communications, 19, 11-12, November-December 2025, pp.539-543 (2025).
Submitted at: Aug. 26, 2025
Accepted at: Dec. 2, 2025
Optoelectronics and Advanced Materials - Rapid Communications
(2024): Impact Factor = 0.4 - Journal Citation Reports (Clarivate Analytics, 2025)
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