Synthesis of cuprous oxide/silver (Cu2O/Ag) hybrid as surface-enhanced Raman scattering probe for trace determination of methyl orange.
| Title: | Synthesis of cuprous oxide/silver (Cu2O/Ag) hybrid as surface-enhanced Raman scattering probe for trace determination of methyl orange. |
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| Authors: | Pham TTH; Faculty of Chemistry, TNU-University of Sciences, Tan Thinh ward, Thai Nguyen city 24000, Vietnam.; Vu XH; Institute of Science and Technology, TNU-University of Sciences, Tan Thinh ward, Thai Nguyen city 24000, Vietnam.; Dien ND; Faculty of Occupational Safety and Health, Vietnam Trade Union University, 169 Tay Son street, Dong Da district, Ha Noi city 100000, Vietnam.; Trang TT; Institute of Science and Technology, TNU-University of Sciences, Tan Thinh ward, Thai Nguyen city 24000, Vietnam.; Van Hao N; Institute of Science and Technology, TNU-University of Sciences, Tan Thinh ward, Thai Nguyen city 24000, Vietnam.; Toan ND; Centre for Quantum Electronics, Institute of Physics, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet road, Cau Giay district, Ha Noi city 100000, Vietnam.; Thi Ha Lien N; Centre for Quantum Electronics, Institute of Physics, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet road, Cau Giay district, Ha Noi city 100000, Vietnam.; Tien TS; University of Fire Prevention and Fighting, 243 Khuat Duy Tien road, Thanh Xuan district, Ha Noi city 100000, Vietnam.; Chi TTK; Institute of Materials Science, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet road, Cau Giay district, Ha Noi city 100000, Vietnam.; Hien NT; Institute of Materials Science, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet road, Cau Giay district, Ha Noi city 100000, Vietnam.; Tan PM; Faculty of Fundamental Sciences, Thai Nguyen University of Technology, 666 3/2 road, Thai Nguyen city 24000, Vietnam.; Linh DT; Faculty of Fundamental Sciences, Thai Nguyen University of Technology, 666 3/2 road, Thai Nguyen city 24000, Vietnam. |
| Source: | Royal Society open science [R Soc Open Sci] 2023 May 24; Vol. 10 (5), pp. 221623. Date of Electronic Publication: 2023 May 24 (Print Publication: 2023). |
| Publication Type: | Journal Article |
| Language: | English |
| Journal Info: | Publisher: Royal Society Publishing Country of Publication: England NLM ID: 101647528 Publication Model: eCollection Cited Medium: Print ISSN: 2054-5703 (Print) Linking ISSN: 20545703 NLM ISO Abbreviation: R Soc Open Sci Subsets: PubMed not MEDLINE |
| Imprint Name(s): | Original Publication: London : Royal Society Publishing, 2014- |
| Abstract: | Recently, there have been publications on preparing hybrid materials between noble metal and semiconductor for applications in surface-enhanced Raman scattering (SERS) substrates to detect some toxic organic dyes. However, the use of cuprous oxide/silver (Cu2O/Ag) to measure the trace amounts of methyl orange (MO) has not been reported. Therefore, in this study, the trace level of MO in water solvent was determined using a SERS substrate based on Cu2O microcubes combined with silver nanoparticles (Ag NPs). Herein, a series of Cu2O/Agx ( INLINEMATH 1-5) hybrids with various Ag amounts was synthesized via a solvothermal method followed by a reduction process, and their SERS performance was studied in detail. X-ray diffraction (XRD) and scanning electron microscopy results confirmed that 10 nm Ag NPs were well dispersed on 200-500 nm Cu2O microcubes to form Cu2O/Ag heterojunctions. Using the as-prepared Cu2O and Cu2O/Agx as MO probe, the Cu2O/Ag5 nanocomposite showed the highest SERS activity of all samples with the limit of detection as low to 1 nM and the enhancement factor as high as 4 × 108. The logarithm of the SERS peak intensity at 1389 cm-1 increased linearly with the logarithm of the concentration of MO in the range from 1 nM to 0.1 mM.; (© 2023 The Authors.) |
| Competing Interests: | The authors declare no competing interests. |
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| Contributed Indexing: | Keywords: cuprous oxide; metal–semiconductor composite; methyl orange; silver nanoparticles; surface-enhanced Raman scattering |
| Entry Date(s): | Date Created: 20230526 Latest Revision: 20230528 |
| Update Code: | 20260130 |
| PubMed Central ID: | PMC10206471 |
| DOI: | 10.1098/rsos.221623 |
| PMID: | 37234497 |
| Database: | MEDLINE |
Journal Article