Light-emitting nanocomposite CdS–polymer electrospun fibres via in situ nanoparticle generation

Francesca Di Benedetto; Andrea Camposeo; Luana Persano; Anna Maria Laera; Emanuela Piscopiello; Roberto Cingolani; Leander Tapfer; Dario Pisignano

doi:10.1039/C1NR10399G

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Nanoscale

Issue 10, 2011

A new peer reviewed journal publishing experimental and theoretical work across the breadth of nanoscience and nanotechnology

Impact Factor 5.914 24 Issues per Year

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Light-emitting nanocomposite CdS–polymer electrospun fibres via in situ nanoparticle generation

Francesca Di Benedetto,^a^b Andrea Camposeo,*^a Luana Persano,^a Anna Maria Laera,^c Emanuela Piscopiello,^c Roberto Cingolani,^d Leander Tapfer^c and Dario Pisignano*^a^b

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NNL, National Nanotechnology Laboratory of CNR-Istituto Nanoscienze, Università del Salento, via Arnesano, Lecce, Italy
E-mail: Dario.pisignano@unisalento.it ;
Fax: +39 0832298146 ;
Tel: +39 0832298104

Dipartimento di Ingegneria dell'Innovazione, Università del Salento, via Arnesano, Lecce, Italy

ENEA, Technical Unit for Material Technologies- Brindisi Research Centre, Strada Statale 7 Appia km. 706, Brindisi, Italy

Istituto Italiano di Tecnologia (I.I.T.), via Morego 30, Genova, Italy

Nanoscale, 2011,3, 4234-4239

DOI: 10.1039/C1NR10399G
Received 19 Apr 2011, Accepted 22 Jul 2011
First published online 07 Sep 2011

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We report on the simple, in situ generation of CdS nanocrystals inside electrospun polymer fibres by thermal decomposition of a cadmium thiolate precursor, leading to nanocomposite light-emitting fibres. The modifications induced in the precursor by the thermal decomposition are investigated by a morphological, structural and spectroscopic analysis of the resulting nanocomposite fibres. This approach allows us to overcome nanofabrication difficulties related to disfavoured micro- or nanofluidic molecular flow as given by the direct incorporation of particles in the electrospinning solution. This method therefore enables the synthesis of luminescent, CdS-based composite fibres with emission peaked in the visible range, suitable as building blocks for nanophotonic devices based on light-emitting nanomaterials.

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Francesca Di Benedetto
Andrea Camposeo
Luana Persano
Anna Maria Laera
Emanuela Piscopiello
Roberto Cingolani
Leander Tapfer
Dario Pisignano

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Light-emitting nanocomposite CdS–polymer electrospun fibres via in situ nanoparticle generation

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