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The effect of additive carbon nano tube on optical properties of epoxy resin | ||
| Iraqi Journal of Physics | ||
| Article 1, Volume 10, Issue 19, 2012, Pages 1-8 | ||
| Author | ||
| Nadia A. Ali | ||
| Abstract | ||
| In this work, MWCNT in the epoxy can be prepared at room temperature and thickness (1mm) at different concentration of CNTs powder. Optical properties of multi-walled carbon nanotubes (CNTs) reinforced epoxy have been measured in the range of (300-800)nm. The electronic transition in pure epoxy and CNT/epoxy indicated direct allowed transition. Also, it is found that the energy gap of epoxy is 4.1eV and this value decreased within range of (4.1-3.5)eV when the concentration of CNT powder increased from (0.001-0.1)% respectively. The optical constants which include (the refractive index (n), the extinction coefficient (k), real (ε1) and imaginarily (ε2) part of dielectric constant calculated in the of (300-800)nm at different concentration of CNT powder. It decreased with increasing of CNT and the values take at λ=550nm. | ||
| Keywords | ||
| Epoxy; Carbone nanotube; Optical properties | ||
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