Structure-property relationships for bis-diketopyrrolopyrrole molecules in organic photovoltaics

Q. Wang, J.J. van Franeker, B.J. Bruijnaers, M.M. Wienk, R.A.J. Janssen

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

17 Citaties (Scopus)

Uittreksel

The design of small organic molecules for efficient solution-processed organic solar cells is hampered by the absence of relationships that connect molecular structure via processing to blend morphology and power conversion efficiency. Here we study a series of bis-diketopyrrolopyrrole molecules in which we systematically vary the aromatic core, the solubilizing side chains, and the end groups to achieve power conversion efficiencies of 4.4%. By comparing the morphology and performance we attempt to identify and rationalize the structure-property relationships. We find that the tendency to aggregate or crystallize are important factors to control and that these require a subtle balance.

TaalEngels
Pagina's10532-10541
Aantal pagina's10
TijdschriftJournal of Materials Chemistry A
Volume4
Nummer van het tijdschrift27
DOI's
StatusGepubliceerd - 2016

Vingerafdruk

Conversion efficiency
Molecules
Molecular structure
Processing
Organic solar cells

Citeer dit

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Structure-property relationships for bis-diketopyrrolopyrrole molecules in organic photovoltaics. / Wang, Q.; van Franeker, J.J.; Bruijnaers, B.J.; Wienk, M.M.; Janssen, R.A.J.

In: Journal of Materials Chemistry A, Vol. 4, Nr. 27, 2016, blz. 10532-10541.

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

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AU - Janssen,R.A.J.

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