Ternary hybrid systems of P3HT–CdSe–WS2 nanotubes for photovoltaic applications

A. Bruno; C. Borriello; S. A. Haque; C. Minarini; T. Di Luccio

doi:10.1039/C4CP00594E

Ternary hybrid systems of P3HT–CdSe–WS₂ nanotubes for photovoltaic applications

A. Bruno,*^a^b C. Borriello,^a S. A. Haque,^b C. Minarini^a and T. Di Luccio^a

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* Corresponding authors

^a ENEA, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, P.le Enrico Fermi 1, Portici (NA), Italy
E-mail: annalisa.bruno@enea.it

^b Department of Chemistry, Imperial College London, South Kensington Campus, London SW7 2AZ, UK

Abstract

Hybrid heterojunctions of conjugated polymers and inorganic nanomaterials are a promising combination for obtaining high performance solar cells (SC). In this work we have explored new possible uses of the WS₂ nanotubes (NTs) both as the only acceptor material blended with a polymer and in ternary systems mixed with a polymer and quantum dots (QDs). In particular we have spectroscopically investigated binary blends of poly(3-hexylthiophene) (P3HT) and WS₂ NTs, P3HT and CdSe QDs, and ternary blends of P3HT, CdSe QDs and WS₂ NTs. We report fluorescence quenching effects of the QD signal in the P3HT–CdSe–WS₂ system with the increase of NT concentration. Static and time-resolved fluorescence studies reveal efficient resonant energy transfer from the QDs to the NTs upon photoexcitation. The evidence of energetic interaction between WS₂ NTs and QDs opens new fields of application of WS₂ NTs and holds very promising potential for improving charge transfer phenomena in the active layer of hybrid solar cells.

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Publication details

The article was received on 10 Feb 2014, accepted on 15 Jul 2014 and first published on 15 Jul 2014

Article type: Paper

DOI: 10.1039/C4CP00594E

Citation: Phys. Chem. Chem. Phys., 2014,16, 17998-18003

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Ternary hybrid systems of P3HT–CdSe–WS₂ nanotubes for photovoltaic applications

A. Bruno, C. Borriello, S. A. Haque, C. Minarini and T. Di Luccio, Phys. Chem. Chem. Phys., 2014, 16, 17998
DOI: 10.1039/C4CP00594E
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Physical Chemistry Chemical Physics

Ternary hybrid systems of P3HT–CdSe–WS₂ nanotubes for photovoltaic applications

Abstract

Supplementary files

Publication details

Ternary hybrid systems of P3HT–CdSe–WS₂ nanotubes for photovoltaic applications

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