Synthesis of nanoparticles through x-ray radiolysis using synchrotron radiation

A. Yamaguchi; I. Okada; T. Fukuoka; M. Ishihara; I. Sakurai; Y. Utsumi

doi:10.1117/12.2237124

26 September 2016 Synthesis of nanoparticles through x-ray radiolysis using synchrotron radiation

A. Yamaguchi, I. Okada, T. Fukuoka, M. Ishihara, I. Sakurai, Y. Utsumi

Proceedings Volume 9929, Nanostructured Thin Films IX; 992919 (2016) https://doi.org/10.1117/12.2237124
Event: SPIE Nanoscience + Engineering, 2016, San Diego, California, United States

Abstract

The synthesis and deposition of nanoparticles consisting of Cu and Au in a CuSO₄ solution with some kinds of alcohol and electroplating solution containing gold (I) trisodium disulphite under synchrotron X-ray radiation was investigated. The functional group of alcohol plays an important in nucleation, growth and aggregation process of copper and cupric oxide particles. We found that the laboratory X-ray source also enables us to synthesize the NPs from the metallic solution. As increasing X-ray exposure time, the full length at half width of particle size distribution is broader and higher-order nanostructure containing NPs clusters is formed. The surface-enhanced Raman scattering (SERS) of 4, 4'-bipyridine (4bpy) in aqueous solution was measured using higher-order nanostructure immobilized on silicon substrates under systematically-varied X-ray exposure. This demonstration provide a clue to develop a three-dimensional printing and sensor for environmental analyses and molecular detection through simple SERS measurements.

Citation Download Citation

A. Yamaguchi, I. Okada, T. Fukuoka, M. Ishihara, I. Sakurai, and Y. Utsumi "Synthesis of nanoparticles through x-ray radiolysis using synchrotron radiation", Proc. SPIE 9929, Nanostructured Thin Films IX, 992919 (26 September 2016); https://doi.org/10.1117/12.2237124

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