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   Fabrication of Zirconium oxide- Hydroxyapatite nanocomposite for green preparation of m-phenylenediamine  
   
نویسنده kadi mohammad w. ,mohamed reda m.
منبع journal of king abdulaziz university: science - 2018 - دوره : 30 - شماره : 2 - صفحه:1 -9
چکیده    Pt-zro_2-hap nanocomposites with 3 wt% of pt and 25 wt % of hydroxyapatite were synthesized by a sol- gel method to produce a uniform hollow nanospheres. this nanocompoite was then used in the photocatalytic preparation of m-phenylenediamine. zirconia hollow nanospheres, pt-zro_2 hollow nanospheres, hydroxyapatite (hap) nanoparticles were prepared for comparison reasons. specific surface area values of zro_2, pt-zro_2 and pt-zro_2-hap were 250, 270, 350 m2/g respectively. the photocatalytic performance of the nanocomposites was studied by photo- reduction of m-nitroaniline to m-phenylenediamine under visible light. pt-zro_2-hap photocatalyst has the highest photocatalytic performance in the photo-reduction of m-nitroaniline to m- phenylenediamine compared to zirconia hollow nanospheres and pt-zro_2 hollow nanospheres.
کلیدواژه ZrO_2 ,Hydroxyapatite ,Hollow nanospheres ,Nanoparticles ,Photocatalytic preparation of m- phenylenediamine ,Visible light
آدرس king abdulaziz university, faculty of science, department of chemistry, Saudi Arabia, king abdulaziz university, faculty of science, department of chemistry, Saudi Arabia
 
     
   
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