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Surface-enhanced Raman scattering (SERS) performance on salbutamol detection of colloidal multi-shaped silver nanoparticles

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Abstract

Monitoring the surface-enhanced Raman scattering (SERS) ability of multi-shaped silver nanoparticles (MAgNPs) in comparison with silver nanospheres (AgNSs), we carried out the synthesis of MAgNPs from the AgNS seeds via the etching-growth process. The MAgNPs contained diverse anisotropic shapes such as hexagonal, circular, triangular and deformed plates as well as particles in the wide range of sizes from 30 to 250 nm. The SERS spectra of salbutamol (Sal) in the presence of colloid MAgNPs, showing higher sensitivity than AgNSs with a minimum detectable concentration of Sal, was determined at 2.5 and 1.25 ng/µL with colloid MAgNPs on glass and Si/SiO2 substrates, respectively. These results pointed out the shape of silver nanoparticles (AgNPs) and their plasmonic resonance strongly affected by SERS performance. This study contributed to the development of the further facile and low-cost method for the SERS detection of Sal based on AgNPs.

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Availability of data and materials

The photographs of MAgNPs, XRD pattern of MAgNPs, ICP-MS result of Ag concent on MAgNPs, the visual observation of MAgNPs colloidal, Raman spectra of background, the Raman spectra of Sal powder, the EF factor of calculations. All were provided into the supplementary file. Denoted the following order as Figs. S1, S2, Table. S1, Figs. S3, S4, S5.

Abbreviations

SERS:

Surface-enhanced Raman scattering

Sal:

Salbutamol

NPs:

Nanoparticles

MAgNPs:

Multi-shaped silver nanoparticles

AgNPs:

Silver nanoparticles

AgNSs:

Silver nanospheres

TEM:

Transmission electron microscopy

UV–Vis:

Ultraviolet–visible

DI:

Deionized

ICP-MS:

Inductively coupled plasma-mass spectrometer

MO:

Methyl orange

XRD:

X-ray diffraction

δ :

Bending vibration

ν :

Stretching vibration

ν :

Raman shift

RSD:

The standard deviation

EF:

Enhancement factor

ζ potential:

Zeta potential

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Acknowledgements

The authors acknowledge Mr. Khang Duy Vu Nguyen, Institute of Applied Material Science in HCM city for his help and good advice in all measurements also useful discussions in data analyses of Raman spectra and ICP-MS results. The many thanks would be given to Prof. Van Thanh Thi Tran, the University of Science in HCM city for material support. This research is funded by Vietnam National Foundation for Science and Technology Development (NAFOSTED) under Grant number 103.03-2018.59.

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The authors contributed equally in the manuscripts.

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Correspondence to Cong Khanh Tran.

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Supplementary material 1 (DOCX 2700 kb)

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Pham, T.B.N., Bui, T.T.T., Tran, V.Q. et al. Surface-enhanced Raman scattering (SERS) performance on salbutamol detection of colloidal multi-shaped silver nanoparticles. Appl Nanosci 10, 703–714 (2020). https://doi.org/10.1007/s13204-019-01154-7

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  • DOI: https://doi.org/10.1007/s13204-019-01154-7

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