Hyperspectral imaging of polymer/fullerene
blends

• Authors: Armida Torreggiani , Francesca Tinti , Alberto Savoini , Michele Melchiorre , Riccardo Po , Nadia Camaioni
• Languages of publication: EN

Abstracts

EN

The effectiveness of a hyperspectral imaging
system integrated on an enhanced dark-field microscope
for probing the microscale morphology of model poly(3-
hexylthiopene): [6,6]-phenyl-C61- butyric acid methyl ester
(P3HT:PCBM) blends is demonstrated. This non-contact
technique provides both spectral and spatial information
in one measurement, providing an effective mapping
of the presence and location of the component
materials in the investigated P3HT:PCBM blends spincoated
over different substrates (zinc oxide, poly(3,4-
ethylenedioxythiophene):poly(styrenesulfonate). The hyperspectral
analysis accounts for the micro-scale morphology
of P3HT:PCBM blends, even in case of high film roughness,
and the quantitative determination of blend components
reveals a preferential accumulation of the lowenergy
material (P3HT) at the interface with air, confirming
the findings reported with other mapping techniques

Keywords

EN

polymer solar cells; conjugated polymers; fullerene; enhanced dark-field microscopy; hyperspectral imaging

• Publisher: De Gruyter Open
• Journal: Organic Photonics and Photovoltaics
• Year: 2014
• Volume: 2
• Issue: 1

Dates

accepted

10 - 1 - 2014

received

16 - 8 - 2013

online

20 - 10 - 2014

Contributors

author

Armida Torreggiani

• Istituto
  per la Sintesi Organica e la Fotoreattività, Consiglio Nazionale
  delle Ricerche via Gobetti 101, I-40129 Bologna, Italy

author

Francesca Tinti

• Istituto
  per la Sintesi Organica e la Fotoreattività, Consiglio Nazionale
  delle Ricerche via Gobetti 101, I-40129 Bologna, Italy

author

Alberto Savoini

• Istituto
  per la Sintesi Organica e la Fotoreattività, Consiglio Nazionale
  delle Ricerche via Gobetti 101, I-40129 Bologna, Italy
• Research Center for non Conventional Energies,
  Istituto eni Donegani, eni S.p.A. via Fauser 4, I-28100 Novara, Italy

author

Michele Melchiorre

• Istituto
  per la Sintesi Organica e la Fotoreattività, Consiglio Nazionale
  delle Ricerche via Gobetti 101, I-40129 Bologna, Italy

author

Riccardo Po

• Istituto
  per la Sintesi Organica e la Fotoreattività, Consiglio Nazionale
  delle Ricerche via Gobetti 101, I-40129 Bologna, Italy
• Research Center for non Conventional Energies,
  Istituto eni Donegani, eni S.p.A. via Fauser 4, I-28100 Novara, Italy

author

Nadia Camaioni

• Istituto
  per la Sintesi Organica e la Fotoreattività, Consiglio Nazionale
  delle Ricerche via Gobetti 101, I-40129 Bologna, Italy

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Identifiers

DOI

10.2478/oph-2014-0003