Browsing Physics by Author "Onwudiwe, Damian C."

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Laser assisted solid state reaction for the synthesis of ZnS and CdS nanoparticles from metal xanthate

Onwudiwe, Damian C.; Kruger, T.P.J. (Tjaart); Strydom, C.A. (Christiena Adriana) (Elsevier, 2014-02)

Nanoparticles of CdS and ZnS were produced by a nanosecond laser using zinc (II) and cadmium (II) complexes of ethyl xanthate. Laser pulses with a peak wavelength of 355 nm, pulse repetition rate of 10 Hz, and pulse ...
Laser-assisted synthesis, and structural and thermal properties of ZnS nanoparticles stabilised in polyvinylpyrrolidone

Onwudiwe, Damian C.; Kruger, T.P.J. (Tjaart); Jordaan, Anine; Strydom, C.A. (Christiena Adriana) (Elsevier, 2014-12)

Zinc sulphide (ZnS) nanoparticles have been synthesised by a green approach involving laser irradiationof an aqueous solution of zinc acetate (Znac2) and sodium sulphide (Na2S·9H2O) or thioacetamide (TAA)in polyvinylpyrrolidone ...
Nanosecond laser irradiation synthesis of CdS nanoparticles in a PVA system

Onwudiwe, Damian C.; Kruger, T.P.J. (Tjaart); Oluwatobi, Oluwafemi S.; Strydom, C.A. (Christiena Adriana) (Elsevier, 2014-01)

We herein report a modified, in situ photolytic process for the nucleation and growth of cadmium sulphide nanoparticles in the presence of an optically transparent and semicrystalline polyvinyl alcohol (PVA) polymer ...

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