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Nanoscale Res Lett. 2015 Feb 06;10:53. doi: 10.1186/s11671-015-0741-6. eCollection 2015.

Metal phthalocyanine: fullerene composite nanotubes via templating method for enhanced properties.

Nanoscale research letters

Abdullah Haaziq Ahmad Makinudin, Muhamad Saipul Fakir, Azzuliani Supangat

Affiliations

  1. Department of Physics, Low Dimensional Materials Research Centre, University of Malaya, Kuala Lumpur, 50603 Malaysia.

PMID: 25852350 PMCID: PMC4384975 DOI: 10.1186/s11671-015-0741-6

Abstract

The use of templating method to synthesize the vanadyl 2,9,16,23-tetraphenoxy-29H,31H-phthalocyanine (VOPcPhO):[6,6]-phenyl C71 butyric acid methyl ester (PC71BM) composite nanotubes is presented here. VOPcPhO is a p-type material and PC71BM is an n-type material which acts as an electron donor and electron acceptor, respectively. Both materials have been studied due to their potential applications as solar energy converter and organic electronics. High-resolution transmission electron microscope (HRTEM) and field emission scanning electron microscope (FESEM) images have shown the replication of the porous template diameter of approximately 200 nm with a superior incorporation of both VOPcPhO and PC71BM. VOPcPhO:PC71BM composite nanotubes showed the significant properties improvement if compared over their bulk heterojunction counterpart. UV-vis spectra of composite nanotubes show a shift to a longer wavelength at the absorption peaks. Significant quenching has been attained by the photoluminescence spectra of VOPcPhO:PC71BM composite nanotubes which supports the redshift of UV-vis absorption spectra. Presumably, the photo-induced charge transfer and charge carrier dissociation can be enhanced from the VOPcPhO:PC71BM composite nanotubes rather than the bulk heterojunction.

Keywords: Composite nanotubes; PC71BM; Templating method; VOPcPhO

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