Controlling the Solidification of Organic Photovoltaic Blends with Nucleating Agents

• Autorzy: Jennifer A. Nekuda Malik , Neil D. Treat , Maged Abdelsamie , Liyang Yu , Ruipeng Li , Detlef-M. Smilgies , Aram Amassian , Craig J. Hawker , Michael L. Chabinyc , Natalie Stingelin
• Języki publikacji: EN

Abstrakty

EN

Blending fullerenes with a donor polymer for the fabrication of organic solar cells often leads to at least partial vitrification of one, if not both, components. For prototypical poly(3-hexylthiophene):fullerene blend, we show that the addition of a commercial nucleating agent, di(3,4-dimethyl benzylidene)sorbitol, to such binary blends accelerates the crystallization of the donor, resulting in an increase in its degree of crystallinity in as-cast structures. This allows manipulation of the extent of intermixing/ phase separation of the donor and acceptor directly from solution, offering a tool to improve device characteristics such as power conversion efficiency.

• Czasopismo: Organic Photonics and Photovoltaics
• Rocznik: 2014
• Tom: 2
• Numer: 1

Daty

otrzymano

2014-06-09

zaakceptowano

2014-08-11

online

2014-11-20

Twórcy

autor

Jennifer A. Nekuda Malik

• Department of Materials
  and Centre for Plastic Electronics, Imperial College London,
  Exhibition Road, London SW7 2AZ

autor

Neil D. Treat

• Department of Materials
  and Centre for Plastic Electronics, Imperial College London,
  Exhibition Road, London SW7 2AZ

autor

Maged Abdelsamie

• Department of Materials
  and Centre for Plastic Electronics, Imperial College London,
  Exhibition Road, London SW7 2AZ

autor

Liyang Yu

• Department of Materials
  and Centre for Plastic Electronics, Imperial College London,
  Exhibition Road, London SW7 2AZ

autor

Ruipeng Li

• Department of Materials
  and Centre for Plastic Electronics, Imperial College London,
  Exhibition Road, London SW7 2AZ

autor

Detlef-M. Smilgies

• Department of Materials
  and Centre for Plastic Electronics, Imperial College London,
  Exhibition Road, London SW7 2AZ

autor

Aram Amassian

• Department of Materials
  and Centre for Plastic Electronics, Imperial College London,
  Exhibition Road, London SW7 2AZ

autor

Craig J. Hawker

• Department of Materials
  and Centre for Plastic Electronics, Imperial College London,
  Exhibition Road, London SW7 2AZ

autor

Michael L. Chabinyc

• Department of Materials
  and Centre for Plastic Electronics, Imperial College London,
  Exhibition Road, London SW7 2AZ

autor

Natalie Stingelin

• Department of Materials
  and Centre for Plastic Electronics, Imperial College London,
  Exhibition Road, London SW7 2AZ

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Identyfikatory

DOI

10.2478/oph-2014-0006