DOI: 10.1039/d4ra04726e ISSN: 2046-2069
AgNPs/CuNPs/Bragg-PSi substrate subjected to thermal annealing in high-sensitivity detection on crystal violets and diphenyl phthalate
Bowen Sun, Peng Li, Shuguo Yu, Xiaohui Huang, Liangjun MaStudy creates optimized AgNPs/CuNPs/Bragg-PSi SERS substrate for detecting low-concentration analytes like crystal violet and diphenyl phthalate. Best performance at 0.75 M CuNO3 soak and 180 °C annealing, promising for analytical applications.