Shape Effects on Light Absorption and Scattering for Nanoparticles in Thin Organic Films

Authors: Rupak Wasman Qadir¹ & Karwan Wasman Qadir^2&3
1Physics Lab., Erbil Environment Directorate, Erbil, Iraq
²Department of Physics, College of Education, Salahaddin University, Erbil, Iraq
³Physics Education Department, Faculty of Education, Ishik University, Erbil, Iraq

Abstract:  A systematic study on the absorption enhancement by embedding metallic Nano Particles (NPs) in the Copper Phthalocyanine (CuPc) thin films has been reported. The Surface Plasmon resonance (SPR) can be excited by the addition of metal nano particles directly. Consequently, the incident light can be more focused and folded into the CuPc thin organic layers. The light scattering, and absorption have been applied on three shapes of silver nano particle (i.e. cylinder, hemisphere, and cross) by utilization of the Finite Different Time Domain (FDTD) software and the effect of change of NP size on the amount of light scattered and absorbed has been investigated. Finally, the effect of light absorption in organic solar cell performance upon embedding these metallic NPs directly into the organic CuPc thin films has been investigated.

Keywords: Nano Particles, Light Scattering and Absorption, FDTD Method
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doi: 10.23918/eajse.v4i3sip49

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