ArticleRSC advances2026
Charge-transfer-activated SERS detection of methylene blue using an ultrastable, reliable, and highly sensitive semiconductor Fe
Article in RSC advances, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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9 authors.
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Abstract
Surface-enhanced Raman spectroscopy (SERS) is among the most sensitive analytical tools for molecular identification, yet its strong reliance on noble-metal supports (Au, Ag, Cu) still constrains stability, cost, and practical applicability. Recent advances show that certain semiconductors can provide Raman enhancement, offering a metal-free route toward more stable SERS platforms. However, the sensitivity of semiconductor-based substrates remains far inferior to noble-metal systems, with limited enhancement factors (EFs) that restrict real-world applicability. Therefore, it is a formidable yet highly desirable goal to develop an efficient semiconductor SERS substrate with enhancement levels comparable to noble metals. Here, we report Fe
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