Research Papers

Synthesis and characterization of uncoated and cysteamine-coated gold nanoparticles by pulsed laser ablation

[+] Author Affiliations
Wan Norsyuhada Wan Shukri, Noriah Bidin, Shumaila Islam, Ganesan Krishnan, Mohamad Aizat Abu Bakar, Mohd Syafiq Affandi

Universiti Teknologi Malaysia, Ibnu-Sina Institute for Scientific and Industrial Research, Laser Centre, Johor Bahru 81310, Malaysia

J. Nanophoton. 10(4), 046007 (Oct 24, 2016). doi:10.1117/1.JNP.10.046007
History: Received July 31, 2016; Accepted October 5, 2016
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Abstract.  Gold nanoparticles and cysteamine-coated gold nanoparticles are physically synthesized using the pulsed laser ablation in liquid technique, which is rapid, simple, and efficient one-step synthesis. UV-Vis analysis shows that the absorption band after cysteamine coating is shifted toward the lower wavelength range around 234  nm as compared to gold nanoparticles’ absorption band around 520  nm. Moreover, the change in the color of the solution is due to the aggregation of nanoparticles after cysteamine coating. From transmission electron microscopy, cysteamine coating of 1  nm thickness on gold nanoparticles is successfully carried out with narrow pore size distributions. Energy-dispersive x-ray spectroscopy analysis confirms the presence of cysteamine coating. Attenuated total reflectance Fourier transform infrared spectroscopy analysis also confirms the bond linkage between gold and cysteamine species.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Wan Norsyuhada Wan Shukri ; Noriah Bidin ; Shumaila Islam ; Ganesan Krishnan ; Mohamad Aizat Abu Bakar, et al.
"Synthesis and characterization of uncoated and cysteamine-coated gold nanoparticles by pulsed laser ablation", J. Nanophoton. 10(4), 046007 (Oct 24, 2016). ; http://dx.doi.org/10.1117/1.JNP.10.046007


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