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Physical properties of poly (n-vinylcarbazole) doped by nanoparticles prepared by laser ablation / Abdelrhman Anter Mohammed Menazea ; Supervised Fawzi Hamed Abdelkader , Nagwa Abdelhakeem

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Abdelrhman Anter Mohammed Menazea , 2015Description: 339 P. : facsimiles ; 25cmOther title:
  • الخواص الفيزيقية للبولي فينيل كاربازول المطعم بجسيمات نانومترية المحضرة بالإستئصال الليزرى النبضي [Added title page title]
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  • Issued also as CD
Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty of Science - Department of Physics Summary: Systems of poly (n-vinylcarbazole) doped with silver nanoparticles (AgNPs) that ablated by nanosecond laser at different laser parameters such as; time of irradiation, source power and photon energy (wavelength) were prepared and studied. Structural, optical, morphological and thermal properties have been investigated using X-Ray Diffraction (XRD), Fourier Transform Infrared (FTIR), Ultra Violet - Visible Spectra (UV-Vis), Photoluminescence (PL), Scanning Electron Microscope (SEM), Transmission Electron microscope (TEM) and Thermogravimetric Analysis (TGA). A correlation between the investigated properties has been discussed. XRD, IR and PL spectra in addition to TEM images reveal that the complexation between AgNPs and PVK matrix takes place in the amorphous region. The band tail values confirm the decrease in the disorder in such system which is consistent with XRD data. PL spectra indicate that interfacial charge transfer occurs between AgNPs and PVK molecules. The thermodynamic parameters such as E*, xS*, xH* and xG* were determined according to Coat{u2019}s{u2013}Redfern relation
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Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.12.20.M.Sc.2015.Ab.P (Browse shelf(Opens below)) Not for loan 01010110066234000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.12.20.M.Sc.2015.Ab.P (Browse shelf(Opens below)) 66234.CD Not for loan 01020110066234000

Thesis (M.Sc.) - Cairo University - Faculty of Science - Department of Physics

Systems of poly (n-vinylcarbazole) doped with silver nanoparticles (AgNPs) that ablated by nanosecond laser at different laser parameters such as; time of irradiation, source power and photon energy (wavelength) were prepared and studied. Structural, optical, morphological and thermal properties have been investigated using X-Ray Diffraction (XRD), Fourier Transform Infrared (FTIR), Ultra Violet - Visible Spectra (UV-Vis), Photoluminescence (PL), Scanning Electron Microscope (SEM), Transmission Electron microscope (TEM) and Thermogravimetric Analysis (TGA). A correlation between the investigated properties has been discussed. XRD, IR and PL spectra in addition to TEM images reveal that the complexation between AgNPs and PVK matrix takes place in the amorphous region. The band tail values confirm the decrease in the disorder in such system which is consistent with XRD data. PL spectra indicate that interfacial charge transfer occurs between AgNPs and PVK molecules. The thermodynamic parameters such as E*, xS*, xH* and xG* were determined according to Coat{u2019}s{u2013}Redfern relation

Issued also as CD

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