An effect of TiO2 morphology on performance of ITO/TiO2/MEH-PPV/Au solar cells

ITO/TiO 2 /MEH-PPV/Au solar cells were fabricated using nano-porous titanium dioxide (TiO 2 ) infiltrated with poly(2-methoxy-5-(2'-ethylhexyloxy)-p-phenylene vinylene) (MEH-PPV). The TiO 2 films were prepared using poly(ethylene glycol) (PEG) having different molecular weights and spin coated...

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Bibliographic Details
Published in:	2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology Vol. 2; pp. 829 - 832
Main Authors:	Inpor, K., Reabanko, S., Boonchan, P., Mahingsupan, N., Sahasithiwat, S., Limthongkul, P., Sae-Kung, C., Sichanugrist, P., Thanachayanont, C.
Format:	Conference Proceeding
Language:	English
Published:	IEEE 01-05-2008
Subjects:	Gold Indium tin oxide Microscopy Photovoltaic cells Scanning electron microscopy Titanium
Online Access:	Get full text
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Summary:	ITO/TiO 2 /MEH-PPV/Au solar cells were fabricated using nano-porous titanium dioxide (TiO 2 ) infiltrated with poly(2-methoxy-5-(2'-ethylhexyloxy)-p-phenylene vinylene) (MEH-PPV). The TiO 2 films were prepared using poly(ethylene glycol) (PEG) having different molecular weights and spin coated onto indium tin oxide (ITO) coated glass substrates. Transmission electron microscopy (TEM) showed that the dip-coated TiO 2 films had uniform thickness of around 70 nm. Surface morphologies of the TiO 2 films were investigated using scanning electron microscopy (SEM). It was found that the low molecular weight PEG resulted in small pits in the TiO 2 film and increase contact area between TiO 2 and MEH-PPV improving the device efficiency of this solar cell.
ISBN:	1424421012 9781424421015
DOI:	10.1109/ECTICON.2008.4600558