The photoinduced growth reaction of silver nanoparticles was accelerated by reduced graphene oxide (RGO) produced from graphene oxide (GO) during the light irradiation process in aqueous solution. X-ray photoelectron spectroscopy (XPS) and Raman spectroscopy demonstrated that RGO was generated in the photoinduced process. The acceleration effect of RGO was investigated through monitoring the extinction spectra of silver nanoparticles during the synthesis process. Moreover, transmission electron microscopy (TEM) was employed to characterize the evolution of morphologies of silver nanoparticles at different irradiation times to demonstrate the effect of RGO. The results indicate that RGO accelerates the photoinduced synthesis of silver nanoparticles. It is proposed that the acceleration effect of RGO on the photoinduced reaction is attributed to the particular property of high electronic conductivity.
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Univ Malaya, Fac Sci, Dept Phys, Low Dimens Mat Res Ctr, Kuala Lumpur 50603, Malaysia
Univ Malaysia Kelantan, Fac Earth Sci, Adv Mat Res Cluster, Jeli Campus, Jeli 17600, Kelantan, MalaysiaUniv Malaya, Fac Sci, Dept Phys, Low Dimens Mat Res Ctr, Kuala Lumpur 50603, Malaysia
Noor, An'amt Mohamed
Rameshkumar, Perumal
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Univ Malaya, Fac Sci, Dept Phys, Low Dimens Mat Res Ctr, Kuala Lumpur 50603, MalaysiaUniv Malaya, Fac Sci, Dept Phys, Low Dimens Mat Res Ctr, Kuala Lumpur 50603, Malaysia
Rameshkumar, Perumal
Yusoff, Norazriena
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Univ Malaya, Fac Sci, Dept Phys, Low Dimens Mat Res Ctr, Kuala Lumpur 50603, MalaysiaUniv Malaya, Fac Sci, Dept Phys, Low Dimens Mat Res Ctr, Kuala Lumpur 50603, Malaysia
Yusoff, Norazriena
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Ming, Huang Nay
Sajab, Mohd Shaiful
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Univ Kebangsaan Malaysia, Fac Engn & Built Environm, Res Ctr Sustainable Proc Technol, Bangi 43600, Selangor, MalaysiaUniv Malaya, Fac Sci, Dept Phys, Low Dimens Mat Res Ctr, Kuala Lumpur 50603, Malaysia