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Development of SERS platform based on ZnO multipods decorated with Ag nanospheres for detection of 4-nitrophenol and rhodamine 6G in real samples by Elumalai Ashok Kumar; Nazar Riswana Barveen; Tzyy-Jiann Wang; Thangavelu Kokulnathan; Yu-Hsu Chang is a Chemistry article available to read on EtoBox.
What is Development of SERS platform based on ZnO multipods decorated with Ag nanospheres for detection of 4-nitrophenol and rhodamine 6G in real samples about?
Noble-metal/semiconductor-based nanomaterials have attained high Raman enhancement in the surface-enhanced Raman scattering (SERS) sensor. The fabrication of noble-metal/semiconductor-based SERS substrates with high sensitivity and good reproducibility is a great challenge. Noble-metal nanoparticles on semiconductor have strong capability to resonate the organic molecule adsorbed on them for the SERS enhancement. In this work, silver nanospheres (Ag NSs) decorated on zinc-oxide (ZnO) multipods are produced as a noble-metal/semiconductor-based SERS substrate and the effect of mixing ratio between Ag NSs and ZnO multipods is systemically studied. The optimized Ag/ZnO SERS substrate shows the superior SERS performance for the detection of 4-nitrophenol (4-NP) and rhodamine 6G (R6G). The corresponding limits of detection are 1.49 × 10−13 M and 9.99 × 10−12 M with the analytical enhancement factor of 4.27 × 1010 for 4-NP and 1.97 × 109 for R6G. The strong SERS enhancement is attributed to the synergistic effect of electromagnetic mechanism and chemical mechanism. Physical and chemical characteristics of Ag/ZnO-multipod structure were studied using field emission scanning electron micros
Who reads Development of SERS platform based on ZnO multipods decorated with Ag nanospheres for detection of 4-nitrophenol and rhodamine 6G in real samples?
It is typically read by researchers, students, and practitioners in Chemistry.
- Author
- Elumalai Ashok Kumar; Nazar Riswana Barveen; Tzyy-Jiann Wang; Thangavelu Kokulnathan; Yu-Hsu Chang
- Publisher
- Elsevier BV
- Published
- 2021
- Language
- EN
- Field
- Chemistry (Physical Sciences)