UV-DEGRADATION EFFECT ON OPTICAL AND SURFACE PROPERTIES OF POLYSTYRENE-TIO2 NANOCOMPOSITE FILM

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JALEH B.; SHAYEGANI MADAD M.; FARSHCHI TABRIZI M.; HABIBI S.; GOLBEDAGHI R.; KEYMANESH M.R.

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Journal: JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS) Year:2011 | Volume:8 | Issue:SUPPLEMENT Page(s): 161-168

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Title

UV-DEGRADATION EFFECT ON OPTICAL AND SURFACE PROPERTIES OF POLYSTYRENE-TIO2 NANOCOMPOSITE FILM

Author(s)

Keywords

PS-TIO2

UV DEGRADATION

BAND GAP

AFM

NANOCOMPOSITE

Abstract

Thin films of polystyrene and polystyrene-TiO2 NANOCOMPOSITE were prepared by spin coating from a polystyrene solution in which TiO2 nanoparticles were dispersed by mechanical mixing. Thin films of polystyrene (PS) and polystyrene-TiO2 NANOCOMPOSITE were exposed to UV irradiation for varied time intervals. The effect of UV radiation on the optical properties, crystallinity, surface energy and degradation of PS-TiO2 nano-composite has been studied. X-Ray diffraction analysis (XRD), UV-Vis and FTIR spectroscopy, Atomic Force Microscopy (AFM) and contact angle measurement were used to study the induced changes of the properties of the irradiated PS-TiO2 NANOCOMPOSITE. Optical BAND GAPs and hydrophilicity in UV-irradiated samples were altered by destruction processes. The optical BAND GAP values were found to reduce from 4.54 eV in pure PS to 4.45 eV for PS-TiO2 NANOCOMPOSITE prior to irradiation. This value is further reduced to 3.46 after UV irradiation for 45 h.

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APA: Copy

JALEH, B., SHAYEGANI MADAD, M., FARSHCHI TABRIZI, M., HABIBI, S., GOLBEDAGHI, R., & KEYMANESH, M.R.. (2011). UV-DEGRADATION EFFECT ON OPTICAL AND SURFACE PROPERTIES OF POLYSTYRENE-TIO₂NANOCOMPOSITE FILM. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS), 8(SUPPLEMENT), 161-168. SID. https://sid.ir/paper/282556/en

Vancouver: Copy

JALEH B., SHAYEGANI MADAD M., FARSHCHI TABRIZI M., HABIBI S., GOLBEDAGHI R., KEYMANESH M.R.. UV-DEGRADATION EFFECT ON OPTICAL AND SURFACE PROPERTIES OF POLYSTYRENE-TIO₂NANOCOMPOSITE FILM. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS)[Internet]. 2011;8(SUPPLEMENT):161-168. Available from: https://sid.ir/paper/282556/en

IEEE: Copy

B. JALEH, M. SHAYEGANI MADAD, M. FARSHCHI TABRIZI, S. HABIBI, R. GOLBEDAGHI, and M.R. KEYMANESH, “UV-DEGRADATION EFFECT ON OPTICAL AND SURFACE PROPERTIES OF POLYSTYRENE-TIO₂NANOCOMPOSITE FILM,” JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS), vol. 8, no. SUPPLEMENT, pp. 161–168, 2011, [Online]. Available: https://sid.ir/paper/282556/en

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