Title :
Effect of thickness on the transparency of nanocomposited MEH-PPV:CNTs:TiO2 thin film
Author :
Sarah, M.S.P. ; Zahid, F.S.S. ; Rusop, M.
Author_Institution :
NANO-Electron. Centre, Univ. Teknol. MARA, Shah Alam, Malaysia
Abstract :
Our work focuses on nanocomposited poly [2-methoxy, 5-(2´-ethyl-hexyloxy)-phenylenevinylene] (MEH-PPV) blend with carbon nanotube (CNTs) and titanium dioxide (TiO2). The conductivity under illumination of the nanocomposited MEH-PPV:CNTs:TiO2 thin film was investigated with the thickness increased. The conductivity showed decrement in value from 6.7 × 10-6 to 0.6 × 10-6 S/m as the thickness increased. Mean while, the UV-vis spectra films at room temperature (300 K) showed a transmittance peak at 500 - 510 nm. The transmittance peaks reduced from 65 T% to 10 T% as the thickness increased while the optical band gap increased from 1.9, 2.0, 2.05 and 2.1 eV.
Keywords :
carbon nanotubes; electrical conductivity; energy gap; filled polymers; nanocomposites; optical constants; thin films; titanium compounds; transparency; ultraviolet spectra; visible spectra; C; TiO2; UV-vis spectra; carbon nanotube; conductivity; illumination; nanocomposite thin film; optical band gap; poly[2- methoxy, 5-(2´-ethyl-hexyloxy)-phenylenevinylene] blend; temperature 293 K to 298 K; temperature 300 K; transparency; wavelength 500 nm to 510 nm; Carbon; Conductivity; Current measurement; Films; CNTs; MEH-PPV; Thickness; TiO2; transparency;
Conference_Titel :
Research and Development (SCOReD), 2011 IEEE Student Conference on
Conference_Location :
Cyberjaya
Print_ISBN :
978-1-4673-0099-5
DOI :
10.1109/SCOReD.2011.6148699
