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Diketopyrrolopyrrole-based polymer:fullerene nanoparticle films with thermally stable morphology for organic photovoltaic applications

  • Natalie P. Holmes
  • , Ben Vaughan
  • , Evan L. Williams
  • , Renee Kroon
  • , Mats Andersson
  • , A.L. David Kilcoyne
  • , Prashant Sonar
  • , Xiaojing Zhou
  • , Paul Dastoor
  • , Warwick Belcher

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

Polymer:fullerene nanoparticles (NPs) offer two key advantages over bulk heterojunction (BHJ) films for organic photovoltaics (OPVs), water-processability and potentially superior morphological control. Once an optimal active layer morphology is reached, maintaining this morphology at OPV operating temperatures is key to the lifetime of a device. Here we study the morphology of the PDPP-TNT (poly{3,6-dithiophene-2-yl-2,5-di(2-octyldodecyl)-pyrrolo[3,4-c]pyrrole-1,4-dione-alt-naphthalene}):PC71BM ([6,6]-phenyl C71 butyric acid methyl ester) NP system and then compare the thermal stability of NP and BHJ films to the common poly(3-hexylthiophene) (P3HT): phenyl C61 butyric acid methyl ester (PC61BM) system. We find that material T g plays a key role in the superior thermal stability of the PDPP-TNT:PC71BM system; whereas for the P3HT:PC61BM system, domain structure is critical.
Original languageEnglish
Pages (from-to)67-73
Number of pages7
JournalMRS Communications
Volume7
Issue number1
DOIs
Publication statusPublished - Mar 2017
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

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