Journal
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
Volume 280, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.saa.2022.121576
Keywords
Bismuth nanomaterials; Novel SERS substrate; Raman Spectroscopy; Surface enhancement
Categories
Funding
- CSIR [STARS/APR2019/NS/428/FS]
- Ministry of education
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This study explores the potential of non-noble metal substrates for Surface-enhanced Raman spectroscopy (SERS) and prepares a nanoplate beta-Bi2O3/Bi2O2CO3 heterostructure as a novel SERS substrate. The results demonstrate that the SERS signal on this substrate is significantly enhanced by adsorbed probe molecules.
Exploring the potential of non-noble metal substrates for Surface-enhanced Raman spectroscopy (SERS) has attracted considerable interest in recent years. In this work, we prepared nanoplate beta-Bi2O3/Bi2O2CO3 heterostructure via calcination of Bi2O2CO3 precursor using a facile hydrothermal process and successfully demonstrated its use as a novel SERS substrate. The SERS sensitivity of substrate was performed by probing methyl orange (MO), rhodamine B (RhB), vitamin C (Vit. C), and melamine. The observed results show that the SERS signal is enhanced considerably by the adsorption of probe molecules on the surface of the Bismuth heterostructure SERS substrate.
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